Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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623 FZUS53 KGRB 291932 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 232 PM CDT Fri Aug 29 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-300200- 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- 232 PM CDT Fri Aug 29 2025 .THIS AFTERNOON...E wind around 5 kts. Mostly sunny. Waves 2 ft or less. .TONIGHT...S wind 5 to 10 kts veering SW after midnight. Patchy dense fog after midnight. Waves 2 ft or less. .SATURDAY...SW wind around 5 kts backing S in the afternoon. Mostly sunny. Waves 2 ft or less. .SATURDAY NIGHT...S wind 5 to 10 kts veering W after midnight. Clear. Waves 2 ft or less. $$ LMZ541-300200- Rock Island Passage to Sturgeon Bay WI- 232 PM CDT Fri Aug 29 2025 .THIS AFTERNOON...E wind around 5 kts. Mostly sunny. Waves 2 ft or less. .TONIGHT...SE wind around 5 kts veering SW after midnight. Clear. Waves 2 ft or less. .SATURDAY...SW wind 5 to 10 kts. Mostly sunny. Waves 2 ft or less. .SATURDAY NIGHT...S wind 5 to 10 kts veering SW after midnight. Mostly clear. Waves 2 ft or less. $$ LMZ542-543-300200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 232 PM CDT Fri Aug 29 2025 .THIS AFTERNOON...E wind around 5 kts. Partly cloudy. Waves 2 ft or less. .TONIGHT...SE wind around 5 kts veering W after midnight. Patchy fog after midnight. Waves 2 ft or less. .SATURDAY...W wind 5 to 10 kts backing S in the afternoon. Mostly sunny. Waves 2 ft or less. .SATURDAY NIGHT...S wind 5 to 10 kts veering W after midnight. Clear. Waves 2 ft or less. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday.