FZUS53 KGRB 101901 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 201 PM CDT Fri Apr 10 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-102200- 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- 201 PM CDT Fri Apr 10 2026 .THIS AFTERNOON...NW wind 5 to 10 kts. Waves 2 ft or less. Partly sunny. .TONIGHT...E wind 5 to 10 kts veering S in the late evening and overnight. Waves 2 ft or less. Clear. .SATURDAY...S wind 5 to 10 kts increasing to 10 to 15 kts early in the afternoon. Waves 2 ft or less. Mostly sunny in the morning then becoming partly cloudy. .SATURDAY NIGHT...SE wind 10 to 15 kts. Waves 2 ft or less. Rain showers. $$ LMZ541-102200- Rock Island Passage to Sturgeon Bay WI- 201 PM CDT Fri Apr 10 2026 .THIS AFTERNOON...N wind 5 to 10 kts. Waves 2 ft or less. Partly sunny. .TONIGHT...E wind 5 to 10 kts veering S in the late evening and overnight. Waves 2 ft or less. Clear. .SATURDAY...S wind 10 to 15 kts. Waves 1 to 3 ft. Mostly sunny. .SATURDAY NIGHT...SE wind 10 to 15 kts increasing to 15 to 25 kts after midnight. Waves 1 to 3 ft building to 4 to 7 ft after midnight. Rain showers. A Small Craft Advisory may be needed. $$ LMZ542-543-102200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 201 PM CDT Fri Apr 10 2026 .THIS AFTERNOON...N wind 10 to 15 kts. Waves 2 ft or less. Partly sunny. .TONIGHT...SE wind 5 to 10 kts veering S in the late evening and overnight. Waves 2 ft or less. Clear. .SATURDAY...S wind 10 to 15 kts. Waves 1 to 3 ft. Sunny in the morning then becoming partly sunny. .SATURDAY NIGHT...SE wind 10 to 20 kts becoming S to 30 kts after midnight. Waves 1 to 3 ft building to 4 to 7 ft after midnight. Rain showers and a chance of thunderstorms. A Small Craft Advisory may be needed. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday. Wave height forecast is for ice free areas.