Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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297 FZUS53 KGRB 290914 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 314 AM CST Sat Nov 29 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-291400- 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- 314 AM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... .EARLY IN THE MORNING...NW wind around 5 kts. Cloudy. Waves 2 ft or less. .TODAY...NE wind around 5 kts veering E 10 to 15 kts in the afternoon. A chance of light snow in the morning, then snow in the afternoon. Waves 2 ft or less. .TONIGHT...E wind 10 to 20 kts backing NE after midnight. Gusts to around 25 kts. Snow. Waves 1 to 3 ft building to 2 to 4 ft early in the morning. A Small Craft Advisory may be needed. .SUNDAY...NW wind to around 30 kts. A chance of light snow. Waves 4 to 7 ft. .SUNDAY NIGHT...NW wind 15 to 25 kts backing W 10 to 15 kts after midnight. Mostly clear. Waves 3 to 5 ft subsiding to 1 to 3 ft. $$ LMZ541-291400- Rock Island Passage to Sturgeon Bay WI- 314 AM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM CST THIS AFTERNOON THROUGH SUNDAY EVENING... .EARLY IN THE MORNING...NW wind around 5 kts. Cloudy. Waves 2 ft or less. .TODAY...S wind around 5 kts becoming SE 10 to 20 kts with gusts to around 25 kts in the afternoon. A chance of light snow in the morning, then snow in the afternoon. Waves 2 ft or less building to 3 to 5 ft late in the afternoon. .TONIGHT...SE wind 10 to 20 kts backing NE after midnight. Gusts to around 25 kts. Snow. Waves 4 to 7 ft subsiding to 2 to 4 ft. .SUNDAY...NW wind 15 to 25 kts with gusts to around 30 kts. Light snow likely in the morning. Waves 3 to 5 ft. .SUNDAY NIGHT...NW wind 10 to 20 kts. Gusts to around 25 kts in the evening. Partly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft in the late evening and overnight. $$ LMZ542-543-291400- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 314 AM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM CST THIS AFTERNOON THROUGH SUNDAY EVENING... .EARLY IN THE MORNING...W wind around 5 kts. Cloudy. Waves 2 ft or less. .TODAY...SW wind 5 to 10 kts backing SE 10 to 20 kts with gusts to around 25 kts in the afternoon. A chance of light snow in the morning, then snow in the afternoon. Waves 2 ft or less building to 4 to 7 ft. .TONIGHT...SE wind 10 to 20 kts backing NE after midnight. Gusts to around 25 kts. Snow. Waves 5 to 8 ft subsiding to 4 to 7 ft early in the morning. .SUNDAY...NW wind to around 30 kts. Light snow likely in the morning. Waves 4 to 7 ft subsiding to 3 to 5 ft in the afternoon. .SUNDAY NIGHT...NW wind 15 to 25 kts decreasing to 10 to 15 kts after midnight. Mostly clear. Waves 2 to 4 ft subsiding to 1 to 3 ft in the late evening and overnight. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday.