Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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234 FZUS53 KGRB 041517 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 917 AM CST Thu Dec 4 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ522-050300- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 917 AM CST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM CST THIS EVENING THROUGH FRIDAY MORNING... .THIS AFTERNOON...SW wind 10 to 15 kts. Mostly sunny. Waves 1 to 3 ft. .TONIGHT...SW wind 15 to 25 kts with gusts to around 30 kts. Freezing spray after midnight. A slight chance of light snow after midnight. Waves 2 to 4 ft building to 4 to 7 ft in the late evening and overnight. .FRIDAY...SW wind 10 to 20 kts. Gusts to around 25 kts in the morning. A chance of light snow. Waves 3 to 5 ft subsiding to 1 to 3 ft. .FRIDAY NIGHT...W wind 10 to 20 kts. Light snow likely in the evening. Waves 2 ft or less. $$ LMZ521-050300- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- 917 AM CST Thu Dec 4 2025 ...GALE WARNING IN EFFECT FROM 9 PM CST THIS EVENING THROUGH LATE TONIGHT... .THIS AFTERNOON...SW wind 10 to 20 kts. Mostly sunny. Waves 1 to 3 ft building to 2 to 4 ft late. .TONIGHT...SW wind to around 30 kts with gusts to around 35 kts. Freezing spray. A slight chance of light snow after midnight. Waves 4 to 7 ft building to 5 to 8 ft after midnight, then subsiding to 4 to 7 ft early in the morning. .FRIDAY...SW wind 10 to 20 kts. Gusts to around 30 kts in the morning. A chance of light snow. Waves 4 to 7 ft subsiding to 1 to 3 ft. A Small Craft Advisory may be needed. .FRIDAY NIGHT...W wind 10 to 20 kts with gusts to around 25 kts. Light snow likely in the evening. Waves 1 to 3 ft. $$ LMZ541-050300- Rock Island Passage to Sturgeon Bay WI- 917 AM CST Thu Dec 4 2025 ...GALE WARNING IN EFFECT FROM 9 PM CST THIS EVENING THROUGH LATE TONIGHT... .THIS AFTERNOON...SW wind 10 to 20 kts. Partly cloudy. Waves 1 to 3 ft. .TONIGHT...SW wind to around 30 kts with gusts to around 35 kts. Freezing spray. A chance of light snow and flurries after midnight. Waves 3 to 5 ft building to 5 to 8 ft. .FRIDAY...SW wind 10 to 20 kts. Gusts to around 30 kts in the morning. A chance of light snow. Waves 4 to 7 ft subsiding to 2 to 4 ft. A Small Craft Advisory may be needed. .FRIDAY NIGHT...W wind 10 to 20 kts with gusts to around 25 kts. A chance of light snow in the evening. Waves 2 to 4 ft subsiding to 1 to 3 ft early in the morning. $$ LMZ542-543-050300- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 917 AM CST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM CST THIS EVENING THROUGH FRIDAY MORNING... .THIS AFTERNOON...W wind 10 to 15 kts. Mostly sunny. Waves 2 ft or less. .TONIGHT...SW wind 15 to 25 kts with gusts to around 30 kts. Freezing spray after midnight. A chance of flurries after midnight. Waves 1 to 3 ft building to 4 to 7 ft. .FRIDAY...SW wind 10 to 20 kts with gusts to around 25 kts. A chance of flurries in the morning, then a chance of light snow in the afternoon. Waves 3 to 5 ft subsiding to 1 to 3 ft. .FRIDAY NIGHT...W wind 10 to 20 kts. Light snow in the evening. Waves 1 to 3 ft. $$ See Lake Michigan Open Lake Forecast for Saturday through Monday.