


Marine Weather Message
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
743 WHUS73 KGRB 041917 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 217 PM CDT Sat Oct 4 2025 LMZ521-522-050330- /O.EXB.KGRB.SC.Y.0075.251005T1500Z-251006T0900Z/ 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- 217 PM CDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM SUNDAY TO 4 AM CDT MONDAY... * WHAT...South winds 15 to 20 kts with gusts up to 30 kts and waves 2 to 4 ft expected. * WHERE...Central and Southern Bay of Green Bay. * WHEN...From 10 AM Sunday to 4 AM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ541>543-050330- /O.CON.KGRB.SC.Y.0075.251004T2100Z-251006T1200Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 217 PM CDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT MONDAY... * WHAT...South winds 15 to 20 kts with gusts up to 25 kts late this afternoon. South winds will then increase to 20 to 25 kts with gusts from 30 to 35 kts on Sunday afternoon before subsiding Sunday evening. Waves building to 3 to 5 ft by late this afternoon will increase to 6 to 9 ft on Sunday afternoon. Waves will subside late Sunday night. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...From 4 PM this afternoon to 7 AM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ mpc