WHUS73 KGRB 121537

MWWGRB



URGENT - MARINE WEATHER MESSAGE

National Weather Service Green Bay WI

937 AM CST Fri Dec 12 2025



LMZ521-522-541>543-122345-

/O.EXT.KGRB.SC.Y.0096.251213T0000Z-251214T1200Z/

Green Bay south of line from  Cedar River to Rock Island Passage

and north of a line from Oconto WI to Little Sturgeon Bay WI-

Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-

Rock Island Passage to Sturgeon Bay WI-

Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-

937 AM CST Fri Dec 12 2025



...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO

6 AM CST SUNDAY...



* WHAT...Northwest winds 15 to 25 kts with gusts up to 30 kts and

  waves 2 to 4 ft expected.



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

  to Sheboygan, and Central and Southern Bay of Green Bay.



* WHEN...From 6 PM this evening to 6 AM CST Sunday.



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



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$



mpc