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Sunday, Aug 16, 2026 09:44:46

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Small Craft Advisory 0118
Issued by the Marquette Forecast Office

Action Issued Starts Expiration
New 2026-08-14 14:47:52 2026-08-15 13:00:00 2026-08-15 19:00:00
New 2026-08-14 14:47:52 2026-08-15 16:00:00 2026-08-15 19:00:00
Continued 2026-08-14 21:20:04 2026-08-15 16:00:00 2026-08-15 19:00:00
Continued 2026-08-14 21:20:04 2026-08-15 13:00:00 2026-08-15 19:00:00
Continued 2026-08-15 03:51:04 2026-08-15 13:00:00 2026-08-15 19:00:00
Continued 2026-08-15 03:51:04 2026-08-15 16:00:00 2026-08-15 19:00:00
Cancelled 2026-08-15 09:35:16 2026-08-15 16:00:00 2026-08-15 19:00:00
Cancelled 2026-08-15 09:35:16 2026-08-15 13:00:00 2026-08-15 19:00:00


Action: New
Issued At: 2026-08-14 14:47:52

734 
WHUS73 KMQT 141947
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
347 PM EDT Fri Aug 14 2026

LSZ245-246-150800-
/O.NEW.KMQT.SC.Y.0118.260815T2100Z-260816T0000Z/
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
347 PM EDT Fri Aug 14 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM TO 8 PM EDT
SATURDAY...

* WHAT...East to southeast winds 10 to 15 kt with gusts up to 22 
  kt and waves 1 to 3 ft expected.

* WHERE...Manitou Island to Point Isabelle MI and Point Isabelle 
  to Lower Entrance of Portage Canal MI.

* WHEN...From 5 PM to 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.

&&

$$

LSZ247-248-150800-
/O.NEW.KMQT.SC.Y.0118.260815T1800Z-260816T0000Z/
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
347 PM EDT Fri Aug 14 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM TO 8 PM EDT
SATURDAY...

* WHAT...East to southeast winds 10 to 15 kt with gusts up to 25 
  kt and waves 1 to 3 ft expected.

* WHERE...Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays and Huron Islands to 
  Marquette MI.

* WHEN...From 2 PM to 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.

&&

$$

LSZ240-150100-
/O.CON.KMQT.SC.Y.0117.000000T0000Z-260815T0100Z/
Saxon Harbor WI to Black River MI-
347 PM EDT Fri Aug 14 2026 /247 PM CDT Fri Aug 14 2026/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT /8 PM
CDT/ THIS EVENING...

* WHAT...Northeast winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 3 ft occurring.

* WHERE...Saxon Harbor WI to Black River MI.

* WHEN...Until 9 PM EDT /8 PM CDT/ this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ241-242-150100-
/O.CON.KMQT.SC.Y.0117.260814T2000Z-260815T0100Z/
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
347 PM EDT Fri Aug 14 2026 /247 PM CDT Fri Aug 14 2026/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT /8 PM
CDT/ THIS EVENING...

* WHAT...Northeast winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Black River to Ontonagon MI and Ontonagon to Upper 
  Entrance of Portage Canal MI.

* WHEN...Until 9 PM EDT /8 PM CDT/ this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

TAP


Action: New
Issued At: 2026-08-14 14:47:52

734 
WHUS73 KMQT 141947
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
347 PM EDT Fri Aug 14 2026

LSZ245-246-150800-
/O.NEW.KMQT.SC.Y.0118.260815T2100Z-260816T0000Z/
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
347 PM EDT Fri Aug 14 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM TO 8 PM EDT
SATURDAY...

* WHAT...East to southeast winds 10 to 15 kt with gusts up to 22 
  kt and waves 1 to 3 ft expected.

* WHERE...Manitou Island to Point Isabelle MI and Point Isabelle 
  to Lower Entrance of Portage Canal MI.

* WHEN...From 5 PM to 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.

&&

$$

LSZ247-248-150800-
/O.NEW.KMQT.SC.Y.0118.260815T1800Z-260816T0000Z/
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
347 PM EDT Fri Aug 14 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM TO 8 PM EDT
SATURDAY...

* WHAT...East to southeast winds 10 to 15 kt with gusts up to 25 
  kt and waves 1 to 3 ft expected.

* WHERE...Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays and Huron Islands to 
  Marquette MI.

* WHEN...From 2 PM to 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.

&&

$$

LSZ240-150100-
/O.CON.KMQT.SC.Y.0117.000000T0000Z-260815T0100Z/
Saxon Harbor WI to Black River MI-
347 PM EDT Fri Aug 14 2026 /247 PM CDT Fri Aug 14 2026/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT /8 PM
CDT/ THIS EVENING...

* WHAT...Northeast winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 3 ft occurring.

* WHERE...Saxon Harbor WI to Black River MI.

* WHEN...Until 9 PM EDT /8 PM CDT/ this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ241-242-150100-
/O.CON.KMQT.SC.Y.0117.260814T2000Z-260815T0100Z/
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
347 PM EDT Fri Aug 14 2026 /247 PM CDT Fri Aug 14 2026/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT /8 PM
CDT/ THIS EVENING...

* WHAT...Northeast winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Black River to Ontonagon MI and Ontonagon to Upper 
  Entrance of Portage Canal MI.

* WHEN...Until 9 PM EDT /8 PM CDT/ this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

TAP


Action: Continued
Issued At: 2026-08-14 21:20:04

354 
WHUS73 KMQT 150219
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1019 PM EDT Fri Aug 14 2026

LSZ245-246-151430-
/O.CON.KMQT.SC.Y.0118.260815T2100Z-260816T0000Z/
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
1019 PM EDT Fri Aug 14 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM TO 8 PM EDT
SATURDAY...

* WHAT...East winds 10 to 15 kt with gusts up to 20 kt and waves 
  1 to 3 ft expected.

* WHERE...Manitou Island to Point Isabelle MI and Point Isabelle 
  to Lower Entrance of Portage Canal MI.

* WHEN...From 5 PM to 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.

&&

$$

LSZ247-248-151430-
/O.CON.KMQT.SC.Y.0118.260815T1800Z-260816T0000Z/
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
1019 PM EDT Fri Aug 14 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM TO 8 PM EDT
SATURDAY...

* WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves 
  1 to 3 ft expected.

* WHERE...Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays and Huron Islands to 
  Marquette MI.

* WHEN...From 2 PM to 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.

&&

$$


Action: Continued
Issued At: 2026-08-14 21:20:04

354 
WHUS73 KMQT 150219
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1019 PM EDT Fri Aug 14 2026

LSZ245-246-151430-
/O.CON.KMQT.SC.Y.0118.260815T2100Z-260816T0000Z/
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
1019 PM EDT Fri Aug 14 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM TO 8 PM EDT
SATURDAY...

* WHAT...East winds 10 to 15 kt with gusts up to 20 kt and waves 
  1 to 3 ft expected.

* WHERE...Manitou Island to Point Isabelle MI and Point Isabelle 
  to Lower Entrance of Portage Canal MI.

* WHEN...From 5 PM to 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.

&&

$$

LSZ247-248-151430-
/O.CON.KMQT.SC.Y.0118.260815T1800Z-260816T0000Z/
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
1019 PM EDT Fri Aug 14 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM TO 8 PM EDT
SATURDAY...

* WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves 
  1 to 3 ft expected.

* WHERE...Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays and Huron Islands to 
  Marquette MI.

* WHEN...From 2 PM to 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.

&&

$$


Action: Continued
Issued At: 2026-08-15 03:51:04

122 
WHUS73 KMQT 150850
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
450 AM EDT Sat Aug 15 2026

LSZ245-246-152100-
/O.CON.KMQT.SC.Y.0118.260815T2100Z-260816T0000Z/
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
450 AM EDT Sat Aug 15 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 8 PM EDT THIS EVENING...

* WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves 
  1 to 3 ft expected.

* WHERE...Manitou Island to Point Isabelle MI and Point Isabelle 
  to Lower Entrance of Portage Canal MI.

* WHEN...From 5 PM this afternoon to 8 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ247-248-152100-
/O.CON.KMQT.SC.Y.0118.260815T1800Z-260816T0000Z/
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
450 AM EDT Sat Aug 15 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 PM EDT THIS EVENING...

* WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves 
  1 to 3 ft expected.

* WHERE...Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays and Huron Islands to 
  Marquette MI.

* WHEN...From 2 PM this afternoon to 8 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GS


Action: Continued
Issued At: 2026-08-15 03:51:04

122 
WHUS73 KMQT 150850
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
450 AM EDT Sat Aug 15 2026

LSZ245-246-152100-
/O.CON.KMQT.SC.Y.0118.260815T2100Z-260816T0000Z/
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
450 AM EDT Sat Aug 15 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 8 PM EDT THIS EVENING...

* WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves 
  1 to 3 ft expected.

* WHERE...Manitou Island to Point Isabelle MI and Point Isabelle 
  to Lower Entrance of Portage Canal MI.

* WHEN...From 5 PM this afternoon to 8 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ247-248-152100-
/O.CON.KMQT.SC.Y.0118.260815T1800Z-260816T0000Z/
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
450 AM EDT Sat Aug 15 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 PM EDT THIS EVENING...

* WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves 
  1 to 3 ft expected.

* WHERE...Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays and Huron Islands to 
  Marquette MI.

* WHEN...From 2 PM this afternoon to 8 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GS


Action: Cancelled
Issued At: 2026-08-15 09:35:16

788 
WHUS73 KMQT 151434
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1034 AM EDT Sat Aug 15 2026

LSZ245-246-151545-
/O.CAN.KMQT.SC.Y.0118.260815T2100Z-260816T0000Z/
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
1034 AM EDT Sat Aug 15 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds and waves are expected to remain below Small Craft Advisory
criteria.

$$

LSZ247-248-151545-
/O.CAN.KMQT.SC.Y.0118.260815T1800Z-260816T0000Z/
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
1034 AM EDT Sat Aug 15 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds and waves are expected to remain below Small Craft Advisory
criteria.

$$


Action: Cancelled
Issued At: 2026-08-15 09:35:16

788 
WHUS73 KMQT 151434
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1034 AM EDT Sat Aug 15 2026

LSZ245-246-151545-
/O.CAN.KMQT.SC.Y.0118.260815T2100Z-260816T0000Z/
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
1034 AM EDT Sat Aug 15 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds and waves are expected to remain below Small Craft Advisory
criteria.

$$

LSZ247-248-151545-
/O.CAN.KMQT.SC.Y.0118.260815T1800Z-260816T0000Z/
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
1034 AM EDT Sat Aug 15 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds and waves are expected to remain below Small Craft Advisory
criteria.

$$



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