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: 249 AM CST Sat Mar 7 2026




Rest Of The Night: S wind 10 to 15 kts. Waves 2 to 4 ft. Widespread dense fog. Rain with thunderstorms likely.

Saturday: W wind 10 to 15 kts veering NW in the late morning and afternoon. Waves 2 to 4 ft. Areas of dense fog in the morning. A chance of light rain in the morning.

Saturday Night: NW wind 5 to 10 kts backing SW 10 to 15 kts, then increasing to 15 to 25 kts after midnight. Waves 1 to 3 ft building to 3 to 5 ft after midnight. Partly cloudy. A small craft advisory may be needed.

Sunday: SW wind 15 to 25 kts decreasing to 10 to 15 kts early in the afternoon. Waves 4 to 7 ft. Partly cloudy.







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

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