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Small Craft Advisory 0034
Issued by the Detroit / Pontiac Forecast Office

Action Issued Starts Expiration
New 2026-05-21 02:47:49 2026-05-21 15:00:00 2026-05-23 09:00:00
Time and Area Extended 2026-05-21 14:36:59 2026-05-22 21:00:00 2026-05-23 09:00:00
Continued 2026-05-21 14:36:59 2026-05-21 15:00:00 2026-05-23 09:00:00
Time and Area Extended 2026-05-21 14:36:59 2026-05-22 03:00:00 2026-05-23 09:00:00
Area Extended 2026-05-21 14:36:59 2026-05-21 15:00:00 2026-05-23 09:00:00
Time and Area Extended 2026-05-21 14:36:59 2026-05-22 15:00:00 2026-05-23 09:00:00
Time Extended 2026-05-22 08:49:14 2026-05-22 15:00:00 2026-05-24 03:00:00
Continued 2026-05-22 08:49:14 2026-05-23 09:00:00
Time Extended 2026-05-22 08:49:14 2026-05-22 21:00:00 2026-05-24 03:00:00
Time Extended 2026-05-22 08:49:14 2026-05-23 21:00:00
Time Extended 2026-05-22 08:49:14 2026-05-23 21:00:00
Time Extended 2026-05-22 14:40:56 2026-05-22 14:40:00 2026-05-24 03:00:00
Continued 2026-05-22 14:40:56 2026-05-23 21:00:00
Time Extended 2026-05-22 14:40:56 2026-05-22 14:40:00 2026-05-24 03:00:00
Continued 2026-05-22 14:40:56 2026-05-23 09:00:00
Continued 2026-05-22 14:40:56 2026-05-23 21:00:00
Continued 2026-05-23 02:49:50 2026-05-23 21:00:00
Continued 2026-05-23 02:49:50 2026-05-23 09:00:00
Continued 2026-05-23 02:49:50 2026-05-23 21:00:00
Continued 2026-05-23 02:49:50 2026-05-24 03:00:00
Continued 2026-05-23 02:49:50 2026-05-24 03:00:00
Time Extended 2026-05-23 08:46:42 2026-05-23 15:00:00
Continued 2026-05-23 08:46:42 2026-05-23 21:00:00
Continued 2026-05-23 08:46:42 2026-05-24 03:00:00
Continued 2026-05-23 08:46:42 2026-05-24 03:00:00
Continued 2026-05-23 08:46:42 2026-05-23 21:00:00
Continued 2026-05-23 15:09:54 2026-05-24 03:00:00
Continued 2026-05-23 15:09:54 2026-05-23 21:00:00
Expired 2026-05-23 15:09:54 2026-05-23 15:00:00
Continued 2026-05-23 15:09:54 2026-05-24 03:00:00
Continued 2026-05-23 15:09:54 2026-05-23 21:00:00
Cancelled 2026-05-23 20:39:08 2026-05-23 21:00:00
Cancelled 2026-05-23 20:39:08 2026-05-24 03:00:00


Action: New
Issued At: 2026-05-21 02:47:49

123 
WHUS73 KDTX 210747
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
347 AM EDT Thu May 21 2026

LEZ444-212000-
/O.NEW.KDTX.SC.Y.0034.260521T2000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
347 AM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
10 AM EDT SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 4 AM EDT Saturday 
  with the largest waves expected around 1 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time and Area Extended
Issued At: 2026-05-21 14:36:59

287 
WHUS73 KDTX 211936
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
336 PM EDT Thu May 21 2026

LHZ421-441-221430-
/O.EXB.KDTX.SC.Y.0034.260522T2000Z-260523T1400Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM FRIDAY TO 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 8 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-221430-
/O.EXB.KDTX.SC.Y.0034.260523T0200Z-260523T1400Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM FRIDAY TO 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 8 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-221430-
/O.EXB.KDTX.SC.Y.0034.260522T0800Z-260523T1400Z/
Lake St Clair-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM FRIDAY TO 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 6 AM EDT Saturday 
  with the largest waves expected around 8 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-221430-
/O.EXA.KDTX.SC.Y.0034.260521T2000Z-260523T1400Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 AM EDT Saturday 
  with the largest waves expected around 1 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LEZ444-221430-
/O.CON.KDTX.SC.Y.0034.260521T2000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 4 AM EDT Saturday 
  with the largest waves expected around 1 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-21 14:36:59

287 
WHUS73 KDTX 211936
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
336 PM EDT Thu May 21 2026

LHZ421-441-221430-
/O.EXB.KDTX.SC.Y.0034.260522T2000Z-260523T1400Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM FRIDAY TO 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 8 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-221430-
/O.EXB.KDTX.SC.Y.0034.260523T0200Z-260523T1400Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM FRIDAY TO 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 8 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-221430-
/O.EXB.KDTX.SC.Y.0034.260522T0800Z-260523T1400Z/
Lake St Clair-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM FRIDAY TO 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 6 AM EDT Saturday 
  with the largest waves expected around 8 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-221430-
/O.EXA.KDTX.SC.Y.0034.260521T2000Z-260523T1400Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 AM EDT Saturday 
  with the largest waves expected around 1 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LEZ444-221430-
/O.CON.KDTX.SC.Y.0034.260521T2000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 4 AM EDT Saturday 
  with the largest waves expected around 1 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time and Area Extended
Issued At: 2026-05-21 14:36:59

287 
WHUS73 KDTX 211936
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
336 PM EDT Thu May 21 2026

LHZ421-441-221430-
/O.EXB.KDTX.SC.Y.0034.260522T2000Z-260523T1400Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM FRIDAY TO 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 8 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-221430-
/O.EXB.KDTX.SC.Y.0034.260523T0200Z-260523T1400Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM FRIDAY TO 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 8 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-221430-
/O.EXB.KDTX.SC.Y.0034.260522T0800Z-260523T1400Z/
Lake St Clair-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM FRIDAY TO 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 6 AM EDT Saturday 
  with the largest waves expected around 8 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-221430-
/O.EXA.KDTX.SC.Y.0034.260521T2000Z-260523T1400Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 AM EDT Saturday 
  with the largest waves expected around 1 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LEZ444-221430-
/O.CON.KDTX.SC.Y.0034.260521T2000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 4 AM EDT Saturday 
  with the largest waves expected around 1 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Area Extended
Issued At: 2026-05-21 14:36:59

287 
WHUS73 KDTX 211936
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
336 PM EDT Thu May 21 2026

LHZ421-441-221430-
/O.EXB.KDTX.SC.Y.0034.260522T2000Z-260523T1400Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM FRIDAY TO 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 8 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-221430-
/O.EXB.KDTX.SC.Y.0034.260523T0200Z-260523T1400Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM FRIDAY TO 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 8 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-221430-
/O.EXB.KDTX.SC.Y.0034.260522T0800Z-260523T1400Z/
Lake St Clair-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM FRIDAY TO 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 6 AM EDT Saturday 
  with the largest waves expected around 8 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-221430-
/O.EXA.KDTX.SC.Y.0034.260521T2000Z-260523T1400Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 AM EDT Saturday 
  with the largest waves expected around 1 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LEZ444-221430-
/O.CON.KDTX.SC.Y.0034.260521T2000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 4 AM EDT Saturday 
  with the largest waves expected around 1 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time and Area Extended
Issued At: 2026-05-21 14:36:59

287 
WHUS73 KDTX 211936
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
336 PM EDT Thu May 21 2026

LHZ421-441-221430-
/O.EXB.KDTX.SC.Y.0034.260522T2000Z-260523T1400Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM FRIDAY TO 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 8 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-221430-
/O.EXB.KDTX.SC.Y.0034.260523T0200Z-260523T1400Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM FRIDAY TO 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 8 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-221430-
/O.EXB.KDTX.SC.Y.0034.260522T0800Z-260523T1400Z/
Lake St Clair-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM FRIDAY TO 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 6 AM EDT Saturday 
  with the largest waves expected around 8 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-221430-
/O.EXA.KDTX.SC.Y.0034.260521T2000Z-260523T1400Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 AM EDT Saturday 
  with the largest waves expected around 1 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LEZ444-221430-
/O.CON.KDTX.SC.Y.0034.260521T2000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
336 PM EDT Thu May 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 21 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 4 AM EDT Saturday 
  with the largest waves expected around 1 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-05-22 08:49:14

023 
WHUS73 KDTX 221348
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
948 AM EDT Fri May 22 2026

LHZ422-230230-
/O.EXT.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EDT SATURDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 5 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-230230-
/O.EXT.KDTX.SC.Y.0034.260522T2000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 1 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-230230-
/O.EXT.KDTX.SC.Y.0034.260523T0200Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 10 PM THIS EVENING TO
4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 29 knots. The largest significant waves will 
  be 6 feet with a potential maximum wave height of 8 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 1 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-230230-
/O.EXT.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EDT SATURDAY...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 6 AM EDT Saturday 
  with the largest waves expected around 7 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LEZ444-230230-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 9 AM EDT Friday 
  with the largest waves expected around 9 AM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-22 08:49:14

023 
WHUS73 KDTX 221348
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
948 AM EDT Fri May 22 2026

LHZ422-230230-
/O.EXT.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EDT SATURDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 5 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-230230-
/O.EXT.KDTX.SC.Y.0034.260522T2000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 1 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-230230-
/O.EXT.KDTX.SC.Y.0034.260523T0200Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 10 PM THIS EVENING TO
4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 29 knots. The largest significant waves will 
  be 6 feet with a potential maximum wave height of 8 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 1 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-230230-
/O.EXT.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EDT SATURDAY...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 6 AM EDT Saturday 
  with the largest waves expected around 7 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LEZ444-230230-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 9 AM EDT Friday 
  with the largest waves expected around 9 AM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-05-22 08:49:14

023 
WHUS73 KDTX 221348
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
948 AM EDT Fri May 22 2026

LHZ422-230230-
/O.EXT.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EDT SATURDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 5 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-230230-
/O.EXT.KDTX.SC.Y.0034.260522T2000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 1 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-230230-
/O.EXT.KDTX.SC.Y.0034.260523T0200Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 10 PM THIS EVENING TO
4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 29 knots. The largest significant waves will 
  be 6 feet with a potential maximum wave height of 8 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 1 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-230230-
/O.EXT.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EDT SATURDAY...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 6 AM EDT Saturday 
  with the largest waves expected around 7 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LEZ444-230230-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 9 AM EDT Friday 
  with the largest waves expected around 9 AM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-05-22 08:49:14

023 
WHUS73 KDTX 221348
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
948 AM EDT Fri May 22 2026

LHZ422-230230-
/O.EXT.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EDT SATURDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 5 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-230230-
/O.EXT.KDTX.SC.Y.0034.260522T2000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 1 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-230230-
/O.EXT.KDTX.SC.Y.0034.260523T0200Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 10 PM THIS EVENING TO
4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 29 knots. The largest significant waves will 
  be 6 feet with a potential maximum wave height of 8 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 1 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-230230-
/O.EXT.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EDT SATURDAY...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 6 AM EDT Saturday 
  with the largest waves expected around 7 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LEZ444-230230-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 9 AM EDT Friday 
  with the largest waves expected around 9 AM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-05-22 08:49:14

023 
WHUS73 KDTX 221348
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
948 AM EDT Fri May 22 2026

LHZ422-230230-
/O.EXT.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EDT SATURDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 5 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-230230-
/O.EXT.KDTX.SC.Y.0034.260522T2000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 1 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-230230-
/O.EXT.KDTX.SC.Y.0034.260523T0200Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 10 PM THIS EVENING TO
4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 29 knots. The largest significant waves will 
  be 6 feet with a potential maximum wave height of 8 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 1 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-230230-
/O.EXT.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EDT SATURDAY...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 6 AM EDT Saturday 
  with the largest waves expected around 7 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LEZ444-230230-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
948 AM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 9 AM EDT Friday 
  with the largest waves expected around 9 AM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-05-22 14:40:56

879 
WHUS73 KDTX 221940
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
340 PM EDT Fri May 22 2026

LHZ421-441-230900-
/O.EXT.KDTX.SC.Y.0034.260522T1940Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 6 feet with a potential maximum wave height of 8 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-230900-
/O.EXT.KDTX.SC.Y.0034.260522T1940Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 25 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 7 feet with a potential maximum wave height of 10 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 8 PM EDT Saturday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LEZ444-230900-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 3 PM EDT Friday 
  with the largest waves expected around 6 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-230900-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 5 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-230900-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 6 AM EDT Saturday 
  with the largest waves expected around 7 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-22 14:40:56

879 
WHUS73 KDTX 221940
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
340 PM EDT Fri May 22 2026

LHZ421-441-230900-
/O.EXT.KDTX.SC.Y.0034.260522T1940Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 6 feet with a potential maximum wave height of 8 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-230900-
/O.EXT.KDTX.SC.Y.0034.260522T1940Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 25 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 7 feet with a potential maximum wave height of 10 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 8 PM EDT Saturday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LEZ444-230900-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 3 PM EDT Friday 
  with the largest waves expected around 6 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-230900-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 5 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-230900-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 6 AM EDT Saturday 
  with the largest waves expected around 7 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-05-22 14:40:56

879 
WHUS73 KDTX 221940
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
340 PM EDT Fri May 22 2026

LHZ421-441-230900-
/O.EXT.KDTX.SC.Y.0034.260522T1940Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 6 feet with a potential maximum wave height of 8 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-230900-
/O.EXT.KDTX.SC.Y.0034.260522T1940Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 25 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 7 feet with a potential maximum wave height of 10 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 8 PM EDT Saturday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LEZ444-230900-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 3 PM EDT Friday 
  with the largest waves expected around 6 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-230900-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 5 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-230900-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 6 AM EDT Saturday 
  with the largest waves expected around 7 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-22 14:40:56

879 
WHUS73 KDTX 221940
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
340 PM EDT Fri May 22 2026

LHZ421-441-230900-
/O.EXT.KDTX.SC.Y.0034.260522T1940Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 6 feet with a potential maximum wave height of 8 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-230900-
/O.EXT.KDTX.SC.Y.0034.260522T1940Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 25 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 7 feet with a potential maximum wave height of 10 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 8 PM EDT Saturday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LEZ444-230900-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 3 PM EDT Friday 
  with the largest waves expected around 6 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-230900-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 5 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-230900-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 6 AM EDT Saturday 
  with the largest waves expected around 7 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-22 14:40:56

879 
WHUS73 KDTX 221940
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
340 PM EDT Fri May 22 2026

LHZ421-441-230900-
/O.EXT.KDTX.SC.Y.0034.260522T1940Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 6 feet with a potential maximum wave height of 8 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-230900-
/O.EXT.KDTX.SC.Y.0034.260522T1940Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 25 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 7 feet with a potential maximum wave height of 10 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 8 PM EDT Saturday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LEZ444-230900-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 3 PM EDT Friday 
  with the largest waves expected around 6 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-230900-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 PM EDT Friday 
  with the largest waves expected around 5 PM EDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-230900-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
340 PM EDT Fri May 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT
SATURDAY...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 6 AM EDT Saturday 
  with the largest waves expected around 7 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-23 02:49:50

592 
WHUS73 KDTX 230749
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
349 AM EDT Sat May 23 2026

LEZ444-231400-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 27 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 4 AM EDT Saturday 
  with the largest waves expected around 7 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 32 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 11 AM EDT 
  Saturday with the largest waves expected around 3 PM EDT 
  Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 6 feet with a potential maximum wave height of 8 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 24 knots from the 
  southeast with gusts up to 32 knots. The largest significant 
  waves will be 7 feet with a potential maximum wave height of 
  10 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 9 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-23 02:49:50

592 
WHUS73 KDTX 230749
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
349 AM EDT Sat May 23 2026

LEZ444-231400-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 27 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 4 AM EDT Saturday 
  with the largest waves expected around 7 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 32 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 11 AM EDT 
  Saturday with the largest waves expected around 3 PM EDT 
  Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 6 feet with a potential maximum wave height of 8 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 24 knots from the 
  southeast with gusts up to 32 knots. The largest significant 
  waves will be 7 feet with a potential maximum wave height of 
  10 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 9 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-23 02:49:50

592 
WHUS73 KDTX 230749
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
349 AM EDT Sat May 23 2026

LEZ444-231400-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 27 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 4 AM EDT Saturday 
  with the largest waves expected around 7 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 32 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 11 AM EDT 
  Saturday with the largest waves expected around 3 PM EDT 
  Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 6 feet with a potential maximum wave height of 8 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 24 knots from the 
  southeast with gusts up to 32 knots. The largest significant 
  waves will be 7 feet with a potential maximum wave height of 
  10 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 9 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-23 02:49:50

592 
WHUS73 KDTX 230749
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
349 AM EDT Sat May 23 2026

LEZ444-231400-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 27 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 4 AM EDT Saturday 
  with the largest waves expected around 7 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 32 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 11 AM EDT 
  Saturday with the largest waves expected around 3 PM EDT 
  Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 6 feet with a potential maximum wave height of 8 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 24 knots from the 
  southeast with gusts up to 32 knots. The largest significant 
  waves will be 7 feet with a potential maximum wave height of 
  10 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 9 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-23 02:49:50

592 
WHUS73 KDTX 230749
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
349 AM EDT Sat May 23 2026

LEZ444-231400-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260523T1400Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 27 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 4 AM EDT Saturday 
  with the largest waves expected around 7 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 32 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 11 AM EDT 
  Saturday with the largest waves expected around 3 PM EDT 
  Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 6 feet with a potential maximum wave height of 8 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 24 knots from the 
  southeast with gusts up to 32 knots. The largest significant 
  waves will be 7 feet with a potential maximum wave height of 
  10 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 9 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-232015-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
349 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-05-23 08:46:42

094 
WHUS73 KDTX 231346
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
946 AM EDT Sat May 23 2026

LEZ444-232000-
/O.EXT.KDTX.SC.Y.0034.000000T0000Z-260523T2000Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 27 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 32 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 11 AM EDT 
  Saturday with the largest waves expected around 3 PM EDT 
  Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 23 knots from the east with
  gusts up to 31 knots. The largest significant waves will be 6 
  feet with a potential maximum wave height of 8 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 24 knots from the southeast
  with gusts up to 31 knots. The largest significant waves will 
  be 7 feet with a potential maximum wave height of 10 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 9 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-23 08:46:42

094 
WHUS73 KDTX 231346
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
946 AM EDT Sat May 23 2026

LEZ444-232000-
/O.EXT.KDTX.SC.Y.0034.000000T0000Z-260523T2000Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 27 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 32 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 11 AM EDT 
  Saturday with the largest waves expected around 3 PM EDT 
  Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 23 knots from the east with
  gusts up to 31 knots. The largest significant waves will be 6 
  feet with a potential maximum wave height of 8 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 24 knots from the southeast
  with gusts up to 31 knots. The largest significant waves will 
  be 7 feet with a potential maximum wave height of 10 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 9 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-23 08:46:42

094 
WHUS73 KDTX 231346
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
946 AM EDT Sat May 23 2026

LEZ444-232000-
/O.EXT.KDTX.SC.Y.0034.000000T0000Z-260523T2000Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 27 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 32 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 11 AM EDT 
  Saturday with the largest waves expected around 3 PM EDT 
  Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 23 knots from the east with
  gusts up to 31 knots. The largest significant waves will be 6 
  feet with a potential maximum wave height of 8 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 24 knots from the southeast
  with gusts up to 31 knots. The largest significant waves will 
  be 7 feet with a potential maximum wave height of 10 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 9 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-23 08:46:42

094 
WHUS73 KDTX 231346
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
946 AM EDT Sat May 23 2026

LEZ444-232000-
/O.EXT.KDTX.SC.Y.0034.000000T0000Z-260523T2000Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 27 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 32 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 11 AM EDT 
  Saturday with the largest waves expected around 3 PM EDT 
  Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 23 knots from the east with
  gusts up to 31 knots. The largest significant waves will be 6 
  feet with a potential maximum wave height of 8 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 24 knots from the southeast
  with gusts up to 31 knots. The largest significant waves will 
  be 7 feet with a potential maximum wave height of 10 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 9 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-23 08:46:42

094 
WHUS73 KDTX 231346
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
946 AM EDT Sat May 23 2026

LEZ444-232000-
/O.EXT.KDTX.SC.Y.0034.000000T0000Z-260523T2000Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...

* WHAT...Expect sustained winds up to 22 knots from the east 
  with gusts up to 27 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to 
  North Cape MI.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ422-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 32 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 11 AM EDT 
  Saturday with the largest waves expected around 3 PM EDT 
  Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 23 knots from the east with
  gusts up to 31 knots. The largest significant waves will be 6 
  feet with a potential maximum wave height of 8 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 10 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 24 knots from the southeast
  with gusts up to 31 knots. The largest significant waves will 
  be 7 feet with a potential maximum wave height of 10 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 3 PM EDT Saturday 
  with the largest waves expected around 9 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
946 AM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 26 knots from the east 
  with gusts up to 33 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 9 AM EDT Saturday 
  with the largest waves expected around 9 AM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-23 15:09:54

270 
WHUS73 KDTX 232009
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
409 PM EDT Sat May 23 2026

LEZ444-232115-
/O.EXP.KDTX.SC.Y.0034.000000T0000Z-260523T2000Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY HAS EXPIRED...

Winds have decreased below advisory level.

$$

LHZ422-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 21 knots from the 
  northeast with gusts up to 24 knots. The largest significant 
  waves will be 4 feet with a potential maximum wave height of 5 
  feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 7 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-240800-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 20 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 8 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-240800-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 15 knots from the 
  southeast with gusts up to 27 knots. The largest significant 
  waves will be 5 feet with a potential maximum wave height of 7 
  feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 4 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 19 knots from the 
  southeast with gusts up to 17 knots. The largest significant 
  waves will be 2 feet with a potential maximum wave height of 3 
  feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 4 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-23 15:09:54

270 
WHUS73 KDTX 232009
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
409 PM EDT Sat May 23 2026

LEZ444-232115-
/O.EXP.KDTX.SC.Y.0034.000000T0000Z-260523T2000Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY HAS EXPIRED...

Winds have decreased below advisory level.

$$

LHZ422-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 21 knots from the 
  northeast with gusts up to 24 knots. The largest significant 
  waves will be 4 feet with a potential maximum wave height of 5 
  feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 7 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-240800-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 20 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 8 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-240800-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 15 knots from the 
  southeast with gusts up to 27 knots. The largest significant 
  waves will be 5 feet with a potential maximum wave height of 7 
  feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 4 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 19 knots from the 
  southeast with gusts up to 17 knots. The largest significant 
  waves will be 2 feet with a potential maximum wave height of 3 
  feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 4 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Expired
Issued At: 2026-05-23 15:09:54

270 
WHUS73 KDTX 232009
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
409 PM EDT Sat May 23 2026

LEZ444-232115-
/O.EXP.KDTX.SC.Y.0034.000000T0000Z-260523T2000Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY HAS EXPIRED...

Winds have decreased below advisory level.

$$

LHZ422-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 21 knots from the 
  northeast with gusts up to 24 knots. The largest significant 
  waves will be 4 feet with a potential maximum wave height of 5 
  feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 7 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-240800-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 20 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 8 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-240800-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 15 knots from the 
  southeast with gusts up to 27 knots. The largest significant 
  waves will be 5 feet with a potential maximum wave height of 7 
  feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 4 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 19 knots from the 
  southeast with gusts up to 17 knots. The largest significant 
  waves will be 2 feet with a potential maximum wave height of 3 
  feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 4 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-23 15:09:54

270 
WHUS73 KDTX 232009
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
409 PM EDT Sat May 23 2026

LEZ444-232115-
/O.EXP.KDTX.SC.Y.0034.000000T0000Z-260523T2000Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY HAS EXPIRED...

Winds have decreased below advisory level.

$$

LHZ422-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 21 knots from the 
  northeast with gusts up to 24 knots. The largest significant 
  waves will be 4 feet with a potential maximum wave height of 5 
  feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 7 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-240800-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 20 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 8 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-240800-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 15 knots from the 
  southeast with gusts up to 27 knots. The largest significant 
  waves will be 5 feet with a potential maximum wave height of 7 
  feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 4 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 19 knots from the 
  southeast with gusts up to 17 knots. The largest significant 
  waves will be 2 feet with a potential maximum wave height of 3 
  feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 4 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-05-23 15:09:54

270 
WHUS73 KDTX 232009
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
409 PM EDT Sat May 23 2026

LEZ444-232115-
/O.EXP.KDTX.SC.Y.0034.000000T0000Z-260523T2000Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY HAS EXPIRED...

Winds have decreased below advisory level.

$$

LHZ422-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 21 knots from the 
  northeast with gusts up to 24 knots. The largest significant 
  waves will be 4 feet with a potential maximum wave height of 5 
  feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 7 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ421-441-240800-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 20 knots from the east 
  with gusts up to 28 knots. The largest significant waves will 
  be 5 feet with a potential maximum wave height of 7 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 8 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ442-443-240800-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT SUNDAY...

* WHAT...Expect sustained winds up to 15 knots from the 
  southeast with gusts up to 27 knots. The largest significant 
  waves will be 5 feet with a potential maximum wave height of 7 
  feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 4 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LCZ460-240200-
/O.CON.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
409 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Expect sustained winds up to 19 knots from the 
  southeast with gusts up to 17 knots. The largest significant 
  waves will be 2 feet with a potential maximum wave height of 3 
  feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 4 PM EDT Saturday 
  with the largest waves expected around 4 PM EDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Cancelled
Issued At: 2026-05-23 20:39:08

307 
WHUS73 KDTX 240138
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
938 PM EDT Sat May 23 2026

LCZ460-LHZ422-240245-
/O.CAN.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
938 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

Surface observations support that wind speeds across the region
have eased to less than 25 knots.

$$

LHZ421-441>443-240245-
/O.CAN.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
938 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

Surface observations support that wind speeds across the region
have eased to less than 25 knots.

$$


Action: Cancelled
Issued At: 2026-05-23 20:39:08

307 
WHUS73 KDTX 240138
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
938 PM EDT Sat May 23 2026

LCZ460-LHZ422-240245-
/O.CAN.KDTX.SC.Y.0034.000000T0000Z-260524T0200Z/
Lake St Clair-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
938 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

Surface observations support that wind speeds across the region
have eased to less than 25 knots.

$$

LHZ421-441>443-240245-
/O.CAN.KDTX.SC.Y.0034.000000T0000Z-260524T0800Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
938 PM EDT Sat May 23 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

Surface observations support that wind speeds across the region
have eased to less than 25 knots.

$$



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