Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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422 FZUS53 KGRB 301903 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 203 PM CDT Sat Aug 30 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-310200- 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- 203 PM CDT Sat Aug 30 2025 .THIS AFTERNOON...S wind 5 to 10 kts. Sunny. Waves 2 ft or less. .TONIGHT...S wind 5 to 10 kts veering W after midnight. Patchy fog after midnight. Waves 2 ft or less. .SUNDAY...SW wind around 5 kts backing S in the afternoon. Sunny. Waves 2 ft or less. .SUNDAY NIGHT...S wind 5 to 10 kts veering SW after midnight. Clear. Waves 2 ft or less. $$ LMZ541-310200- Rock Island Passage to Sturgeon Bay WI- 203 PM CDT Sat Aug 30 2025 .THIS AFTERNOON...S wind 5 to 10 kts. Sunny. Waves 2 ft or less. .TONIGHT...SW wind 5 to 10 kts veering W after midnight. Patchy fog after midnight. Waves 2 ft or less. .SUNDAY...S wind 5 to 10 kts. Sunny. Waves 2 ft or less. .SUNDAY NIGHT...SW wind 5 to 10 kts. Clear. Waves 2 ft or less. $$ LMZ542-543-310200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 203 PM CDT Sat Aug 30 2025 .THIS AFTERNOON...SE wind 5 to 10 kts. Sunny. Waves 2 ft or less. .TONIGHT...SW wind 5 to 10 kts veering W after midnight. Clear. Waves 2 ft or less. .SUNDAY...SW wind around 5 kts backing S in the afternoon. Sunny. Waves 2 ft or less. .SUNDAY NIGHT...S wind around 5 kts veering W after midnight. Clear. Waves 2 ft or less. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday.