Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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670 FZUS53 KGRB 082237 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 437 PM CST Mon Dec 8 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-090900- 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- 437 PM CST Mon Dec 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...SW wind 15 to 25 kts with gusts to around 30 kts. A chance of flurries in the evening, then snow after midnight. Waves 2 to 4 ft building to 3 to 5 ft in the late evening and overnight. .TUESDAY...W wind 10 to 20 kts. Gusts to around 25 kts in the morning. A chance of light snow. Waves 2 to 4 ft subsiding to 1 to 3 ft in the late morning and afternoon. A Small Craft Advisory may be needed. .TUESDAY NIGHT...S wind 5 to 10 kts becoming NE to around 30 kts after midnight. A chance of snow in the evening, then snow after midnight. Waves 1 to 3 ft building to 4 to 7 ft early in the morning. .WEDNESDAY...N wind to around 30 kts decreasing to 10 to 20 kts in the afternoon. Gusts to around 35 kts. A chance of light snow in the morning. Waves 4 to 7 ft subsiding to 3 to 5 ft. A Gale Warning may be needed. $$ LMZ541-090900- Rock Island Passage to Sturgeon Bay WI- 437 PM CST Mon Dec 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TONIGHT...SW wind 15 to 25 kts with gusts to around 30 kts. A slight chance of light snow in the evening, then snow after midnight. Waves 3 to 5 ft building to 6 to 10 ft. .TUESDAY...W wind 10 to 20 kts. Gusts to around 25 kts. A chance of light snow in the morning. Waves 5 to 8 ft subsiding to 2 to 4 ft. .TUESDAY NIGHT...S wind 10 to 15 kts backing E 15 to 25 kts with gusts to around 30 kts after midnight. Snow. Waves 1 to 3 ft building to 4 to 7 ft. .WEDNESDAY...N wind 15 to 25 kts with gusts to around 30 kts. A chance of light snow. Waves 4 to 7 ft subsiding to 2 to 4 ft. $$ LMZ542-543-090900- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 437 PM CST Mon Dec 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TONIGHT...SW wind 15 to 25 kts with gusts to around 30 kts. A chance of flurries in the evening, then snow after midnight. Waves 3 to 5 ft building to 5 to 8 ft. .TUESDAY...W wind 10 to 20 kts with gusts to around 25 kts. A slight chance of light freezing drizzle in the morning. A chance of light snow. Waves 4 to 7 ft subsiding to 1 to 3 ft. .TUESDAY NIGHT...S wind 10 to 20 kts becoming N to around 30 kts after midnight. Snow. Waves 1 to 3 ft building to 4 to 7 ft in the late evening and overnight. .WEDNESDAY...N wind to around 30 kts. Light snow likely in the morning. Waves 4 to 7 ft subsiding to 3 to 5 ft. $$ See Lake Michigan Open Lake Forecast for Thursday through Saturday.