Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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565 FZUS53 KGRB 052121 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 321 PM CST Fri Dec 5 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-060200- 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- 321 PM CST Fri Dec 5 2025 .REST OF THIS AFTERNOON...SW wind 10 to 15 kts. Light snow likely. Waves 1 to 3 ft. .TONIGHT...W wind 10 to 20 kts. A chance of light snow, freezing rain and a slight chance of light freezing drizzle in the evening. Waves 1 to 3 ft. .SATURDAY...NW wind 10 to 15 kts. Partly sunny. Waves 2 ft or less. .SATURDAY NIGHT...N wind around 5 kts increasing to 10 to 15 kts after midnight. A chance of light snow. Waves 2 ft or less. .SUNDAY...N wind 10 to 20 kts. Partly cloudy. Waves 1 to 3 ft. $$ LMZ541-060200- Rock Island Passage to Sturgeon Bay WI- 321 PM CST Fri Dec 5 2025 .REST OF THIS AFTERNOON...SW wind 10 to 20 kts. Light snow. Waves 2 to 4 ft. .TONIGHT...W wind 10 to 20 kts. Light snow with possible freezing rain and freezing drizzle in the evening, then a chance of flurries after midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft early in the morning. .SATURDAY...NW wind 10 to 20 kts. Mostly cloudy. Waves 1 to 3 ft. .SATURDAY NIGHT...N wind 5 to 10 kts. A chance of light snow after midnight. Waves 2 ft or less. .SUNDAY...N wind 10 to 20 kts. Partly sunny. Waves 2 ft or less. $$ LMZ542-543-060200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 321 PM CST Fri Dec 5 2025 .REST OF THIS AFTERNOON...SW wind 10 to 20 kts. A chance of light snow. Waves 1 to 3 ft. .TONIGHT...SW wind 10 to 20 kts veering W after midnight. Light snow likely and a slight chance of light freezing drizzle in the evening. Waves 1 to 3 ft. .SATURDAY...NW wind 10 to 20 kts decreasing to 5 to 10 kts in the afternoon. Partly sunny. Waves 2 ft or less. .SATURDAY NIGHT...N wind 10 to 15 kts. Snow likely after midnight. Waves 2 ft or less. .SUNDAY...N wind 10 to 20 kts. A chance of light snow in the morning. Waves 1 to 3 ft. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday.