FZUS53 KGRB 100412 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1112 PM CDT Thu Apr 9 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-101000- 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- 1112 PM CDT Thu Apr 9 2026 .REST OF TONIGHT...NE wind 10 to 15 kts. Waves 2 ft or less. A chance of light rain. .FRIDAY...N wind 5 to 10 kts backing NW in the late morning and afternoon. Waves 2 ft or less. Mostly cloudy in the morning then becoming partly cloudy. .FRIDAY NIGHT...SE wind 5 to 10 kts veering SW 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. Partly cloudy. $$ LMZ541-101000- Rock Island Passage to Sturgeon Bay WI- 1112 PM CDT Thu Apr 9 2026 .REST OF TONIGHT...NE wind 10 to 15 kts. Waves 2 ft or less. A chance of light rain. .FRIDAY...N wind 5 to 10 kts. Waves 2 ft or less. Mostly cloudy in the morning then becoming partly cloudy. .FRIDAY NIGHT...SE wind 5 to 10 kts veering SW in the late evening and overnight. Waves 2 ft or less. Mostly clear. .SATURDAY...S wind 10 to 15 kts. Waves 1 to 3 ft. Mostly sunny in the morning then becoming partly cloudy. $$ LMZ542-543-101000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1112 PM CDT Thu Apr 9 2026 .REST OF TONIGHT...SW wind 5 to 10 kts veering N 10 to 15 kts after midnight. Waves 2 ft or less. A chance of light rain. .FRIDAY...N wind 10 to 15 kts. Waves 2 ft or less. Partly sunny. .FRIDAY NIGHT...SE wind 5 to 10 kts veering SW 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. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday. Wave height forecast is for ice free areas.