Coastal Waters Forecast for Rock Island Passage to Sturgeon Bay WI (LMZ541) (Text-Only)
NWS Forecast for: Rock Island Passage to Sturgeon Bay WI (LMZ541)
Issued by: National Weather Service Green Bay, WI
Last Update: 1033 PM CST Wed Nov 5 2025


Rest Of The Night: NW wind 10 to 20 kts. Mostly clear. Waves 1 to 3 ft.

Thursday: W wind 5 to 10 kts backing S 10 to 20 kts in the afternoon. Mostly sunny in the morning then becoming mostly cloudy. Waves 2 ft or less building to 2 to 4 ft late in the afternoon.

Thursday Night: SW wind 15 to 25 kts with gusts to around 35 kts. Light rain. Waves 4 to 7 ft building to 6 to 10 ft in the late evening and overnight. A gale warning may be needed.

Friday: W wind 10 to 20 kts veering NW in the afternoon. Gusts to around 25 kts. A chance of light rain. Waves 5 to 8 ft subsiding to 2 to 4 ft. A small craft advisory may be needed.







Zone Forecast: Rock Island Passage to Sturgeon Bay WI (LMZ541)

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