Marine Weather Message
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
827 WHUS73 KGRB 040923 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 323 AM CST Thu Dec 4 2025 LMZ541-041730- /O.CON.KGRB.SC.Y.0092.000000T0000Z-251204T1200Z/ /O.CON.KGRB.GL.W.0018.251205T0300Z-251205T1200Z/ Rock Island Passage to Sturgeon Bay WI- 323 AM CST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... ...GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 6 AM CST FRIDAY... * WHAT...For the Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft. For the Gale Warning, southwest winds 20 to 30 kt with gusts up to 35 kt and waves 5 to 8 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sturgeon Bay. * WHEN...For the Small Craft Advisory, until 6 AM CST early this morning. For the Gale Warning, from 9 PM this evening 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. && $$ LMZ521-041730- /O.CON.KGRB.SC.Y.0092.000000T0000Z-251204T1200Z/ /O.CON.KGRB.GL.W.0018.251205T0300Z-251205T1200Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- 323 AM CST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... ...GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 6 AM CST FRIDAY... * WHAT...For the Small Craft Advisory, northwest winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft. For the Gale Warning, southwest winds 20 to 30 kt with gusts up to 35 kt and waves 5 to 8 ft expected. * WHERE...Central Bay of Green Bay. * WHEN...For the Small Craft Advisory, until 6 AM CST early this morning. For the Gale Warning, from 9 PM this evening to 6 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ522-041730- /O.NEW.KGRB.SC.Y.0093.251205T0200Z-251205T1500Z/ Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 323 AM CST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 9 AM CST FRIDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 5 ft expected. * WHERE...Southern Bay of Green Bay. * WHEN...From 8 PM this evening to 9 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. && $$ LMZ542-543-041730- /O.NEW.KGRB.SC.Y.0093.251205T0200Z-251205T1500Z/ Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 323 AM CST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 9 AM CST FRIDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Lake Michigan nearshore waters from Sturgeon Bay to Sheboygan. * WHEN...From 8 PM this evening to 9 AM CST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Kurimski