Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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805 FZUS53 KGRB 170006 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 706 PM CDT Sat May 16 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-170400- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 706 PM CDT Sat May 16 2026 .TONIGHT...NW wind 10 to 15 kts veering NE in the late evening and overnight. Waves 1 to 3 ft. Clear in the evening then becoming partly cloudy. .SUNDAY...NE wind 10 to 15 kts. Waves 1 to 3 ft. A chance of showers. .SUNDAY NIGHT...E wind 10 to 15 kts veering S 15 to 25 kts in the late evening and overnight. Waves 1 to 3 ft. A chance of showers in the evening. A chance of thunderstorms. Rain showers likely after midnight. A Small Craft Advisory may be needed. .MONDAY...S wind 10 to 20 kts. Waves 1 to 3 ft. A chance of showers in the morning, then showers likely and a chance of thunderstorms in the afternoon. $$ LMZ541-170400- Rock Island Passage to Sturgeon Bay WI- 706 PM CDT Sat May 16 2026 .TONIGHT...NW wind 10 to 15 kts veering N in the late evening and overnight. Waves 2 to 4 ft. Mostly clear. .SUNDAY...NE wind 10 to 20 kts. Waves 1 to 3 ft building to 2 to 4 ft in the afternoon. A chance of showers. .SUNDAY NIGHT...E wind 10 to 20 kts veering S 15 to 25 kts in the late evening and overnight. Waves 5 to 8 ft. A chance of showers in the evening. A chance of thunderstorms. Rain showers likely after midnight. A Small Craft Advisory may be needed. .MONDAY...S wind 15 to 25 kts. Waves 5 to 8 ft. A chance of showers in the morning, then showers likely in the afternoon. $$ LMZ542-543-170400- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 706 PM CDT Sat May 16 2026 .TONIGHT...W wind 5 to 10 kts veering N 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft building to 2 to 4 ft after midnight. Mostly clear in the evening then becoming mostly cloudy. .SUNDAY...NE wind 10 to 20 kts. Waves 2 to 4 ft. A chance of showers. .SUNDAY NIGHT...E wind 10 to 15 kts veering S 15 to 25 kts in the late evening and overnight. Waves 4 to 7 ft building to 5 to 8 ft after midnight. A chance of showers. A Small Craft Advisory may be needed. .MONDAY...S wind 15 to 25 kts. Waves 5 to 8 ft. A chance of showers in the morning, then showers likely in the afternoon. $$ See Lake Michigan Open Lake Forecast for Tuesday through Thursday. Wave height forecast is for ice free areas.