Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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543 FZUS53 KGRB 200824 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 324 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- 324 AM CDT Wed Aug 20 2025 .EARLY IN THE MORNING...NE wind 5 to 10 kts. Patchy fog. Waves 2 ft or less. .TODAY...NE wind 5 to 10 kts. Mostly cloudy in the morning then becoming partly cloudy. 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. Mostly sunny. Waves 2 ft or less. .THURSDAY NIGHT...S wind around 5 kts veering SW after midnight. Mostly clear. Waves 2 ft or less. $$ LMZ541-201300- Rock Island Passage to Sturgeon Bay WI- 324 AM CDT Wed Aug 20 2025 .EARLY IN THE MORNING...NE wind 5 to 10 kts. Patchy fog. A chance of sprinkles. Waves 2 ft or less. .TODAY...NE wind 5 to 10 kts. A chance of sprinkles in the morning. Waves 2 ft or less. .TONIGHT...NE wind 10 to 15 kts. Mostly clear. Waves 2 ft or less. .THURSDAY...N wind 5 to 10 kts veering E in the afternoon. Partly cloudy in the morning then clearing. Waves 2 ft or less. .THURSDAY NIGHT...SE wind around 5 kts veering SW after midnight. Mostly clear. Waves 2 ft or less. $$ LMZ542-543-201300- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 324 AM CDT Wed Aug 20 2025 .EARLY IN THE MORNING...NE wind 5 to 10 kts. Mostly cloudy. Waves 2 ft or less. .TODAY...NE wind 10 to 15 kts. A chance of sprinkles. Waves 1 to 3 ft. .TONIGHT...NE wind 10 to 20 kts. Partly cloudy. Waves 1 to 3 ft. .THURSDAY...NE wind 5 to 10 kts. Partly cloudy in the morning then clearing. Waves 1 to 3 ft. .THURSDAY NIGHT...E wind around 5 kts veering SW after midnight. Mostly clear. Waves 2 ft or less. $$ See Lake Michigan Open Lake Forecast for Friday through Sunday.