Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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845 FZUS53 KGRB 200624 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 124 AM CDT Wed Aug 20 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-201300- 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- 124 AM CDT Wed Aug 20 2025 .OVERNIGHT...NE wind 5 to 10 kts. Patchy fog. A slight chance of light showers. Waves 2 ft or less. .TODAY...NE wind 5 to 10 kts. A slight chance of sprinkles in the morning. Waves 2 ft or less. .TONIGHT...NE wind 10 to 15 kts. Mostly clear. Waves 2 ft or less. .THURSDAY...N wind 5 to 10 kts veering E in the afternoon. Sunny. Waves 2 ft or less. $$ LMZ541-201300- Rock Island Passage to Sturgeon Bay WI- 124 AM CDT Wed Aug 20 2025 .OVERNIGHT...NE wind 5 to 10 kts. Patchy fog. A slight chance of light showers. Waves 2 ft or less. .TODAY...NE wind 5 to 10 kts. A slight chance of light showers in the morning. Waves 2 ft or less. .TONIGHT...NE wind 10 to 15 kts. Mostly clear. Waves 2 ft or less. .THURSDAY...N wind 5 to 10 kts veering E in the afternoon. Sunny. Waves 2 ft or less. $$ LMZ542-543-201300- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 124 AM CDT Wed Aug 20 2025 .OVERNIGHT...NE wind 5 to 10 kts. A slight chance of light showers. Waves 2 ft or less. .TODAY...NE wind 10 to 15 kts. A slight chance of light showers in the morning, then a slight chance of sprinkles in the afternoon. Waves 1 to 3 ft. .TONIGHT...NE wind 10 to 20 kts. Mostly clear. Waves 1 to 3 ft. .THURSDAY...NE wind 5 to 10 kts. Sunny. Waves 2 ft or less. $$ See Lake Michigan Open Lake Forecast for Friday through Sunday.