Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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812 FZUS53 KGRB 111351 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 851 AM CDT Sat Oct 11 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-112000- 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- 851 AM CDT Sat Oct 11 2025 .TODAY...NE wind 10 to 15 kts. A slight chance of sprinkles in the afternoon. Waves 1 to 3 ft. .TONIGHT...E wind 5 to 10 kts veering SE after midnight. Partly cloudy. Waves 2 ft or less. .SUNDAY...SE wind 10 to 20 kts. Partly sunny. Waves 1 to 3 ft. .SUNDAY NIGHT...S wind 10 to 20 kts with gusts to around 25 kts. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 3 ft. A Small Craft Advisory may be needed. $$ LMZ541-112000- Rock Island Passage to Sturgeon Bay WI- 851 AM CDT Sat Oct 11 2025 .TODAY...NE wind 10 to 20 kts decreasing to 5 to 10 kts in the afternoon. A slight chance of rain showers in the afternoon. Waves 1 to 3 ft. .TONIGHT...E wind 10 to 15 kts veering SE 10 to 20 kts after midnight. A slight chance of sprinkles in the evening. Waves 1 to 3 ft. .SUNDAY...S wind 10 to 20 kts. Partly cloudy. Waves 1 to 3 ft. .SUNDAY NIGHT...S wind 10 to 20 kts with gusts to around 25 kts. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 3 ft building to 3 to 5 ft. A Small Craft Advisory may be needed. $$ LMZ542-543-112000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 851 AM CDT Sat Oct 11 2025 .TODAY...NE wind 10 to 15 kts. A slight chance of sprinkles in the morning, then a slight chance of rain showers in the afternoon. Waves 1 to 3 ft. .TONIGHT...E wind 10 to 15 kts veering SE 10 to 20 kts after midnight. A slight chance of sprinkles in the evening. Waves 1 to 3 ft building to 2 to 4 ft after midnight. .SUNDAY...SE wind 10 to 20 kts. Partly sunny. Waves 3 to 5 ft. A Small Craft Advisory may be needed. .SUNDAY NIGHT...S wind 10 to 20 kts. Partly cloudy in the evening then becoming mostly cloudy. Waves 3 to 5 ft building to 4 to 7 ft early in the morning. A Small Craft Advisory may be needed. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday.