Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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188 FZUS53 KGRB 221355 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 855 AM CDT Fri Aug 22 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-222000- 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- 855 AM CDT Fri Aug 22 2025 .TODAY...SW wind 10 to 20 kts. A slight chance of light showers and thunderstorms in the afternoon. Waves 2 ft or less. .TONIGHT...SW wind 10 to 20 kts. A chance of light showers and thunderstorms. Waves 2 ft or less. .SATURDAY...W wind 10 to 20 kts. Mostly sunny. Waves 2 ft or less. .SATURDAY NIGHT...W wind 10 to 20 kts. Mostly clear. Waves 2 ft or less. $$ LMZ541-222000- Rock Island Passage to Sturgeon Bay WI- 855 AM CDT Fri Aug 22 2025 .TODAY...SW wind 5 to 10 kts backing S 10 to 20 kts in the afternoon. A slight chance of light showers in the afternoon. Waves 1 to 3 ft. .TONIGHT...SW wind 10 to 20 kts with a few gusts to around 25 kts. A chance of light showers and thunderstorms. Waves 1 to 3 ft. A Small Craft Advisory may be needed. .SATURDAY...NW wind 10 to 20 kts. Mostly sunny. Waves 2 ft or less. .SATURDAY NIGHT...NW wind 10 to 20 kts. Mostly clear. Waves 2 ft or less. $$ LMZ542-543-222000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 855 AM CDT Fri Aug 22 2025 .TODAY...SW wind 10 to 15 kts. Partly cloudy. Waves 2 ft or less. .TONIGHT...SW wind 10 to 15 kts. A chance of light showers and thunderstorms. Waves 2 ft or less. .SATURDAY...W wind 10 to 20 kts. Mostly sunny. Waves 2 ft or less. .SATURDAY NIGHT...W wind 10 to 20 kts. Mostly clear. Waves 2 ft or less. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday.