Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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507 FZUS53 KGRB 100451 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1051 PM CST Tue Dec 9 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-101100- 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- 1051 PM CST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .REST OF THE NIGHT...E wind 5 to 10 kts becoming NE 15 to 25 kts with gusts to around 30 kts after midnight. Light snow. Waves 1 to 3 ft building to 3 to 5 ft toward daybreak. .WEDNESDAY...N wind 15 to 25 kts with gusts to around 30 kts. A slight chance of light snow in the morning. Waves 4 to 7 ft subsiding to 3 to 5 ft in the afternoon. .WEDNESDAY NIGHT...NW wind 15 to 25 kts with gusts to around 30 kts. Partly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. .THURSDAY...W wind 10 to 15 kts. Partly sunny. Waves 2 ft or less. $$ LMZ541-101100- Rock Island Passage to Sturgeon Bay WI- 1051 PM CST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .REST OF THE NIGHT...E wind 10 to 15 kts backing NE 15 to 25 kts with gusts to around 30 kts after midnight. A chance of light snow. Waves 1 to 3 ft building to 3 to 5 ft. .WEDNESDAY...N wind 15 to 25 kts with gusts to around 30 kts. A slight chance of light snow in the morning. Waves 4 to 7 ft subsiding to 3 to 5 ft in the afternoon. .WEDNESDAY NIGHT...NW wind 15 to 25 kts with gusts to around 30 kts. Partly cloudy in the evening then becoming mostly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft in the late evening and overnight. .THURSDAY...NW wind 10 to 20 kts backing W 5 to 10 kts in the afternoon. Partly sunny. Waves 2 ft or less. $$ LMZ542-543-101100- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1051 PM CST Tue Dec 9 2025 ...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING... .REST OF THE NIGHT...SE wind 10 to 15 kts backing NE 15 to 25 kts with gusts to around 35 kts after midnight. Snow and a slight chance of rain. Waves 1 to 3 ft building to 4 to 7 ft. .WEDNESDAY...N wind to around 30 kts with gusts to around 35 kts. A slight chance of light snow in the morning. Waves 5 to 8 ft subsiding to 3 to 5 ft. .WEDNESDAY NIGHT...NW wind 15 to 25 kts. Mostly clear. Waves 2 to 4 ft subsiding to 1 to 3 ft in the late evening and overnight. A Small Craft Advisory may be needed. .THURSDAY...NW wind 10 to 20 kts backing W 5 to 10 kts in the afternoon. Partly cloudy. Waves 2 ft or less. $$ See Lake Michigan Open Lake Forecast for Friday through Sunday.