FZUS53 KGRB 250753 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 253 AM CDT Sat Oct 25 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-251300- 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- 253 AM CDT Sat Oct 25 2025 .OVERNIGHT...W wind around 5 kts. Mostly cloudy. Waves 2 ft or less. .TODAY...S wind 5 to 10 kts. Mostly cloudy in the morning then becoming partly cloudy. Waves 2 ft or less. .TONIGHT...S wind 5 to 10 kts. Mostly clear. Waves 2 ft or less. .SUNDAY...SE wind 5 to 10 kts. Mostly sunny. Waves 2 ft or less. $$ LMZ541-251300- Rock Island Passage to Sturgeon Bay WI- 253 AM CDT Sat Oct 25 2025 .OVERNIGHT...W wind 5 to 10 kts. Mostly cloudy. Waves 2 ft or less. .TODAY...S wind 5 to 10 kts. Mostly cloudy in the morning then clearing. Waves 2 ft or less. .TONIGHT...S wind 5 to 10 kts. Mostly clear. Waves 2 ft or less. .SUNDAY...SE wind 5 to 10 kts. Sunny. Waves 2 ft or less. $$ LMZ542-543-251300- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 253 AM CDT Sat Oct 25 2025 .OVERNIGHT...W wind 5 to 10 kts. Mostly cloudy. Waves 2 ft or less. .TODAY...SW wind around 5 kts backing S in the afternoon. A chance of rain showers. Waves 2 ft or less. .TONIGHT...SE wind 5 to 10 kts. Mostly clear. Waves 2 ft or less. .SUNDAY...SE wind 10 to 20 kts. Sunny. Waves 1 to 3 ft building to 2 to 4 ft in the late morning and afternoon. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday.