Marine Weather Message
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
857 WHUS73 KGRB 040336 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 936 PM CST Wed Dec 3 2025 LMZ541-041145- /O.CON.KGRB.SC.Y.0092.000000T0000Z-251204T0900Z/ /O.CON.KGRB.GL.W.0018.251205T0300Z-251205T1200Z/ Rock Island Passage to Sturgeon Bay WI- 936 PM CST Wed Dec 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 9 PM THURSDAY TO 6 AM CST FRIDAY... * WHAT...For the Small Craft Advisory, northwest winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft. For the Gale Warning, southwest winds 20 to 30 kt with gusts up to 40 kt and waves 4 to 9 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sturgeon Bay. * WHEN...For the Small Craft Advisory, until 3 AM CST Thursday. For the Gale Warning, from 9 PM Thursday to 6 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 hazardous conditions. && $$ LMZ521-041145- /O.CON.KGRB.SC.Y.0092.000000T0000Z-251204T0900Z/ /O.CON.KGRB.GL.W.0018.251205T0300Z-251205T1200Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- 936 PM CST Wed Dec 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 9 PM THURSDAY TO 6 AM CST FRIDAY... * WHAT...For the Small Craft Advisory, northwest winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft. For the Gale Warning, southwest winds 25 to 35 kt with gusts up to 40 kt and waves 4 to 8 ft expected. * WHERE...Central Bay of Green Bay. * WHEN...For the Small Craft Advisory, until 3 AM CST Thursday. For the Gale Warning, from 9 PM Thursday to 6 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ542-543-040900- /O.CON.KGRB.SC.Y.0092.000000T0000Z-251204T0900Z/ Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 936 PM CST Wed Dec 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft. * WHERE...Lake Michigan nearshore waters from Sturgeon Bay to Sheboygan. * WHEN...Until 3 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. && $$ LMZ522-040900- /O.CON.KGRB.SC.Y.0092.000000T0000Z-251204T0900Z/ Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 936 PM CST Wed Dec 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 4 ft. * WHERE...Southern Bay of Green Bay. * WHEN...Until 3 AM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$