Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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192 FZUS53 KGRB 152123 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 423 PM CDT Wed Oct 15 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-160100- 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- 423 PM CDT Wed Oct 15 2025 .REST OF THIS AFTERNOON...NE wind around 5 kts. Mostly sunny. Waves 2 ft or less. .TONIGHT...NE wind 5 to 10 kts. Clear. Waves 2 ft or less. .THURSDAY...SE wind 5 to 10 kts veering S in the afternoon. A chance of rain showers in the afternoon. Waves 2 ft or less. .THURSDAY NIGHT...S wind 10 to 20 kts. Light rain showers. Waves 1 to 3 ft. .FRIDAY...S wind 10 to 20 kts with gusts to around 25 kts. Mostly cloudy. Waves 1 to 3 ft building to 2 to 4 ft late in the afternoon. A Small Craft Advisory may be needed. $$ LMZ541-160100- Rock Island Passage to Sturgeon Bay WI- 423 PM CDT Wed Oct 15 2025 .REST OF THIS AFTERNOON...N wind 5 to 10 kts. Mostly sunny. Waves 2 ft or less. .TONIGHT...NE wind 5 to 10 kts. Clear. Waves 2 ft or less. .THURSDAY...SE wind 5 to 10 kts veering S in the afternoon. A chance of rain showers in the afternoon. Waves 2 ft or less. .THURSDAY NIGHT...S wind 10 to 20 kts with gusts to around 25 kts. Rain showers. Waves 1 to 3 ft building to 4 to 7 ft. A Small Craft Advisory may be needed. .FRIDAY...S wind 15 to 25 kts with gusts to around 30 kts. A chance of rain showers in the morning. Waves 4 to 7 ft building to 6 to 10 ft. $$ LMZ542-543-160100- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 423 PM CDT Wed Oct 15 2025 .REST OF THIS AFTERNOON...NE wind 5 to 10 kts. Partly cloudy. Waves 2 ft or less. .TONIGHT...NE wind 5 to 10 kts. Mostly clear. Waves 2 ft or less. .THURSDAY...SE wind 10 to 15 kts veering S 10 to 20 kts in the afternoon. A chance of sprinkles in the morning, then a chance of rain showers in the afternoon. Waves 1 to 3 ft building to 2 to 4 ft late in the afternoon. .THURSDAY NIGHT...S wind 10 to 20 kts with gusts to around 25 kts. Light rain showers likely. Waves 2 to 4 ft building to 4 to 7 ft. A Small Craft Advisory may be needed. .FRIDAY...S wind 15 to 25 kts with gusts to around 30 kts. Mostly cloudy. Waves 4 to 7 ft building to 6 to 10 ft. $$ See Lake Michigan Open Lake Forecast for Saturday through Monday.