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: 628 PM CST Sat Mar 7 2026
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Tonight: NW wind 5 to 10 kts backing SW 10 to 20 kts in the late evening and overnight. Waves 1 to 3 ft building to 3 to 5 ft after midnight. Mostly cloudy.

Sunday: SW wind 15 to 25 kts decreasing to 10 to 15 kts early in the afternoon. Waves 4 to 7 ft subsiding to 3 to 5 ft in the afternoon. A chance of sprinkles in the morning. A small craft advisory may be needed.

Sunday Night: SW wind 15 to 25 kts. Waves 4 to 7 ft. Mostly cloudy in the evening then becoming partly cloudy.

Monday: SW wind 10 to 15 kts backing SE 5 to 10 kts early in the afternoon. Waves 4 to 7 ft subsiding to 2 to 4 ft in the afternoon. Partly cloudy. A small craft advisory may be needed.







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

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