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: 1001 AM CDT Mon Mar 16 2026
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This Afternoon: N storm force winds to 45 kts with storm force gusts to around 55 kts. Waves 10 to 14 ft subsiding to 8 to 12 ft in the afternoon. Heavy freezing spray and blowing snow. Snow during the morning. A chance of light snow in the afternoon. Visibility one quarter mile or less at times.

Tonight: NW gales to 35 kts with gale force gusts to around 45 kts decreasing to to 30 kts with gale force gusts to around 35 kts after midnight. Waves 6 to 10 ft. Heavy freezing spray in the evening. A chance of light snow in the evening. A gale warning may be needed.

Tuesday: NW wind 15 to 25 kts decreasing to 10 to 15 kts mid-day, then backing SW 5 to 10 kts early in the afternoon. Waves 2 to 4 ft subsiding to 2 ft or less in the afternoon. Partly cloudy. A small craft advisory may be needed.

Tuesday Night: SW wind 15 to 25 kts. Waves 1 to 3 ft building to 3 to 5 ft after midnight. A chance of light snow after midnight.







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

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