


Marine Weather Message
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
581 WHUS73 KGRB 050739 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 239 AM CDT Sat Jul 5 2025 LMZ541>543-051545- /O.CON.KGRB.SC.Y.0061.250705T1800Z-250706T0900Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 239 AM CDT Sat Jul 5 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 4 AM CDT SUNDAY... * WHAT...Southwest winds 10 to 20 kts with gusts up to 25 kts and waves 3 to 6 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...From 1 PM Saturday to 4 AM CDT 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