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Small Craft Advisory 0103
Issued by the Green Bay Forecast Office

Action Issued Starts Expiration
New 2025-12-22 03:00:32 2025-12-22 12:00:00 2025-12-23 00:00:00
Continued 2025-12-22 10:15:46 2025-12-22 12:00:00 2025-12-23 00:00:00
Continued 2025-12-22 14:55:54 2025-12-23 00:00:00
Continued 2025-12-22 20:44:02 2025-12-23 00:00:00


Action: New
Issued At: 2025-12-22 03:00:32

076 
WHUS73 KGRB 220859
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
259 AM CST Mon Dec 22 2025

LMZ541>543-221700-
/O.NEW.KGRB.SC.Y.0103.251222T1800Z-251223T0600Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
259 AM CST Mon Dec 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO MIDNIGHT CST
TONIGHT...

* WHAT...South winds 10 to 15 kt with gusts up to 20 kt and waves
  3 to 5 ft expected.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...From noon today to midnight CST tonight.

* 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: 2025-12-22 10:15:46

422 
WHUS73 KGRB 221615
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1015 AM CST Mon Dec 22 2025

LMZ541>543-230015-
/O.CON.KGRB.SC.Y.0103.251222T1800Z-251223T0600Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1015 AM CST Mon Dec 22 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...South winds 10 to 15 kts with gusts up to 20 kts and
  waves 3 to 5 ft expected.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Until midnight CST tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Kruk


Action: Continued
Issued At: 2025-12-22 14:55:54

108 
WHUS73 KGRB 222055
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
255 PM CST Mon Dec 22 2025

LMZ541>543-230500-
/O.CON.KGRB.SC.Y.0103.000000T0000Z-251223T0600Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
255 PM CST Mon Dec 22 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...South winds 10 to 15 kts with gusts up to 20 kts and 
  waves 3 to 5 ft.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Until midnight CST tonight.

* 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: 2025-12-22 20:44:02

043 
WHUS73 KGRB 230243
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
843 PM CST Mon Dec 22 2025

LMZ541>543-230600-
/O.CON.KGRB.SC.Y.0103.000000T0000Z-251223T0600Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
843 PM CST Mon Dec 22 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...South winds around 10 kt with gusts up to 15 kt and waves
  subsiding to 2 to 4 ft.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Until midnight CST tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$



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