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: 932 PM CST Tue Nov 4 2025




Rest Of The Night: S wind 10 to 20 kts. A chance of rain showers. Waves 1 to 3 ft building to 2 to 4 ft after midnight.

Wednesday: NW wind 15 to 25 kts with gusts to around 30 kts. A chance of rain showers in the morning. Waves 3 to 5 ft.

Wednesday Night: NW wind 10 to 20 kts. Gusts to around 30 kts in the evening. Mostly clear. Waves 2 to 4 ft subsiding to 1 to 3 ft in the late evening and overnight.

Thursday: W wind 5 to 10 kts backing S 10 to 20 kts with gusts to around 25 kts in the afternoon. Partly cloudy in the morning then becoming mostly cloudy. Waves 2 ft or less building to 2 to 4 ft late in the afternoon.







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

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