FZUS53 KGRB 090758 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 258 AM CDT Fri May 9 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-091300- 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- 258 AM CDT Fri May 9 2025 .OVERNIGHT...NE wind around 5 kts. Clear. Waves 2 ft or less. .TODAY...SW wind 5 to 10 kts. Sunny. Waves 2 ft or less. .TONIGHT...SW wind 5 to 10 kts veering NW after midnight. A chance of sprinkles. Waves 2 ft or less. .SATURDAY...NE wind 10 to 20 kts. Sunny. Waves 1 to 3 ft. $$ LMZ541-091300- Rock Island Passage to Sturgeon Bay WI- 258 AM CDT Fri May 9 2025 .OVERNIGHT...N wind around 5 kts. Clear. Waves 2 ft or less. .TODAY...SW wind 5 to 10 kts backing S 10 to 20 kts in the afternoon. Sunny. Waves 2 ft or less. .TONIGHT...SW wind 10 to 20 kts veering NW after midnight. A chance of sprinkles. Waves 1 to 3 ft. .SATURDAY...N wind 10 to 20 kts. Sunny. Waves 1 to 3 ft. $$ LMZ542-543-091300- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 258 AM CDT Fri May 9 2025 .OVERNIGHT...SE wind 5 to 10 kts. Clear. Waves 2 ft or less. .TODAY...S wind 5 to 10 kts. Sunny. Waves 2 ft or less. .TONIGHT...S wind 5 to 10 kts veering W after midnight. A chance of sprinkles. Waves 2 ft or less. .SATURDAY...NE wind 10 to 20 kts. Sunny. Waves 1 to 3 ft building to 2 to 4 ft in the afternoon. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday.