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Small Craft Advisory 0105
Issued by the Milwaukee / Sullivan Forecast Office

Action Issued Starts Expiration
New 2025-12-02 02:27:11 2025-12-03 00:00:00 2025-12-04 06:00:00
Continued 2025-12-02 08:58:13 2025-12-03 00:00:00 2025-12-04 06:00:00
Time Extended 2025-12-02 14:16:21 2025-12-02 21:00:00 2025-12-04 06:00:00
Continued 2025-12-02 20:56:13 2025-12-02 21:00:00 2025-12-04 06:00:00
Continued 2025-12-03 01:50:09 2025-12-04 06:00:00
Continued 2025-12-03 10:08:16 2025-12-04 06:00:00
Continued 2025-12-03 13:57:51 2025-12-04 06:00:00
Continued 2025-12-03 21:24:33 2025-12-04 06:00:00
Cancelled 2025-12-04 02:34:13 2025-12-04 06:00:00


Action: New
Issued At: 2025-12-02 02:27:11

393 
WHUS73 KMKX 020826
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
226 AM CST Tue Dec 2 2025

LMZ643>646-022200-
/O.NEW.KMKX.SC.Y.0105.251203T0600Z-251204T1200Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
226 AM CST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM
CST THURSDAY...

* WHAT...West winds 15 to 25 kt expected. Waves up to 5 feet near
  open waters. 

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...From midnight tonight to 6 AM CST Thursday.

* 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: 2025-12-02 08:58:13

103 
WHUS73 KMKX 021457
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
857 AM CST Tue Dec 2 2025

LMZ643>646-022300-
/O.CON.KMKX.SC.Y.0105.251203T0600Z-251204T1200Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
857 AM CST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 AM CST THURSDAY...

* WHAT...Southwest winds 15 to 25 kt later tonight into Wednesday
  morning, becoming northwest Wednesday afternoon and night. 
  Waves 3 to 5 feet near the open waters.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...From midnight tonight to 6 AM CST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
Wood


Action: Time Extended
Issued At: 2025-12-02 14:16:21

711 
WHUS73 KMKX 022015
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
215 PM CST Tue Dec 2 2025

LMZ643>646-030415-
/O.EXT.KMKX.SC.Y.0105.251203T0300Z-251204T1200Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
215 PM CST Tue Dec 2 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING TO
6 AM CST THURSDAY...

* WHAT...Southwest winds 15 to 25 kt this evening into Wednesday 
  morning, becoming northwest Wednesday afternoon and night. Waves
  3 to 5 feet near the open waters.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...From 9 PM this evening to 6 AM CST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
Wood


Action: Continued
Issued At: 2025-12-02 20:56:13

847 
WHUS73 KMKX 030255
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
855 PM CST Tue Dec 2 2025

LMZ643>646-031100-
/O.CON.KMKX.SC.Y.0105.251203T0300Z-251204T1200Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
855 PM CST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
THURSDAY...

* WHAT...Southwest winds 15 to 25 kt this evening into Wednesday 
  morning, becoming northwest Wednesday afternoon and night. Waves
  3 to 5 feet near the open waters.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...Until 6 AM CST Thursday.

* 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: 2025-12-03 01:50:09

156 
WHUS73 KMKX 030749
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
149 AM CST Wed Dec 3 2025

LMZ643>646-032000-
/O.CON.KMKX.SC.Y.0105.000000T0000Z-251204T1200Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
149 AM CST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
THURSDAY...

* WHAT...West winds 15 to 20 kt with gusts up to 25 kt.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...Until 6 AM CST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ261-362-364-366-563-565-032000-
/O.NEW.KMKX.GL.A.0026.251205T0300Z-251205T1200Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
149 AM CST Wed Dec 3 2025

...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE
THURSDAY NIGHT...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and 
  waves 7 to 12 ft possible.

* WHERE...Northern Third of the Open Waters of Lake Michigan, 
  Lake Michigan from Point Betsie to Manistee MI 5NM offshore to 
  Mid Lake, and Lake Michigan from Sturgeon Bay to Two Rivers WI 
  5NM offshore to Mid Lake.

* WHEN...From Thursday evening through late Thursday night.

* IMPACTS...Strong winds can cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.

&&

$$


Action: Continued
Issued At: 2025-12-03 10:08:16

048 
WHUS73 KMKX 031607
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
1007 AM CST Wed Dec 3 2025

LMZ643>646-040015-
/O.CON.KMKX.SC.Y.0105.000000T0000Z-251204T1200Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
1007 AM CST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
THURSDAY...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...Until 6 AM CST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ261-362-364-366-563-565-040015-
/O.CON.KMKX.GL.A.0026.251205T0300Z-251205T1200Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
1007 AM CST Wed Dec 3 2025

...GALE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
LATE THURSDAY NIGHT...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and 
  waves 7 to 12 ft possible.

* WHERE...Northern Third of the Open Waters of Lake Michigan, 
  Lake Michigan from Point Betsie to Manistee MI 5NM offshore to 
  Mid Lake, and Lake Michigan from Sturgeon Bay to Two Rivers WI 
  5NM offshore to Mid Lake.

* WHEN...From Thursday evening through late Thursday night.

* IMPACTS...Strong winds can cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.

&&

$$

MRC


Action: Continued
Issued At: 2025-12-03 13:57:51

619 
WHUS73 KMKX 031957
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
157 PM CST Wed Dec 3 2025

LMZ261-362-364-366-563-565-040400-
/O.UPG.KMKX.GL.A.0026.251205T0300Z-251205T1200Z/
/O.NEW.KMKX.GL.W.0034.251205T0300Z-251205T1500Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
157 PM CST Wed Dec 3 2025

...GALE WARNING IN EFFECT FROM 9 PM THURSDAY TO 9 AM CST FRIDAY...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and 
  waves 7 to 12 ft expected.

* WHERE...Northern Third of the Open Waters of Lake Michigan, 
  Lake Michigan from Point Betsie to Manistee MI 5NM offshore to 
  Mid Lake, and Lake Michigan from Sturgeon Bay to Two Rivers WI 
  5NM offshore to Mid Lake.

* WHEN...From 9 PM Thursday to 9 AM CST Friday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ643>646-040400-
/O.CON.KMKX.SC.Y.0105.000000T0000Z-251204T1200Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
157 PM CST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
THURSDAY...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...Until 6 AM CST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MRC


Action: Continued
Issued At: 2025-12-03 21:24:33

863 
WHUS73 KMKX 040323
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
923 PM CST Wed Dec 3 2025

LMZ261-362-364-366-563-565-041130-
/O.CON.KMKX.GL.W.0034.251205T0300Z-251205T1500Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
923 PM CST Wed Dec 3 2025

...GALE WARNING REMAINS IN EFFECT FROM 9 PM THURSDAY TO 9 AM CST
FRIDAY...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and 
  waves 7 to 12 ft expected.

* WHERE...Northern Third of the Open Waters of Lake Michigan, 
  Lake Michigan from Point Betsie to Manistee MI 5NM offshore to 
  Mid Lake, and Lake Michigan from Sturgeon Bay to Two Rivers WI 
  5NM offshore to Mid Lake.

* WHEN...From 9 PM Thursday to 9 AM CST Friday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ643>646-041130-
/O.CON.KMKX.SC.Y.0105.000000T0000Z-251204T1200Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
923 PM CST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
THURSDAY...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...Until 6 AM CST Thursday.

* 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: 2025-12-04 02:34:13

586 
WHUS73 KMKX 040833
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
233 AM CST Thu Dec 4 2025

LMZ643>646-041645-
/O.CAN.KMKX.SC.Y.0105.000000T0000Z-251204T1200Z/
/O.NEW.KMKX.SC.Y.0106.251205T0400Z-251205T1700Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
233 AM CST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
11 AM CST FRIDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt 
  expected.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...From 10 PM this evening to 11 AM CST 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.

&&

$$

LMZ567-868-041645-
/O.EXA.KMKX.GL.W.0034.251205T0300Z-251205T1500Z/
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
233 AM CST Thu Dec 4 2025

...GALE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM CST
FRIDAY...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 35 kt and 
  waves 6 to 11 ft expected.

* WHERE...Northern half of Lake Michigan. 

* WHEN...From 9 PM this evening to 9 AM CST Friday.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ261-362-364-366-563-565-041645-
/O.CON.KMKX.GL.W.0034.251205T0300Z-251205T1500Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
233 AM CST Thu Dec 4 2025

...GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM
CST FRIDAY...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and 
  waves 7 to 12 ft expected.

* WHERE...Northern half of Lake Michigan. 

* WHEN...From 9 PM this evening to 9 AM CST Friday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$



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