FZUS53 KGRB 191109 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 609 AM CDT Tue Aug 19 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-192000- 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- 609 AM CDT Tue Aug 19 2025 .TODAY...NE wind 5 to 10 kts. A chance of sprinkles. Waves 2 ft or less. .TONIGHT...NE wind 5 to 10 kts. A chance of sprinkles in the evening. A chance of light showers after midnight. Patchy fog after midnight. Waves 2 ft or less. .WEDNESDAY...NE wind 5 to 10 kts. A chance of sprinkles in the morning. Waves 2 ft or less. .WEDNESDAY NIGHT...NE wind 5 to 10 kts. Clear. Waves 2 ft or less. $$ LMZ541-192000- Rock Island Passage to Sturgeon Bay WI- 609 AM CDT Tue Aug 19 2025 .TODAY...NE wind 5 to 10 kts. A chance of sprinkles. Waves 1 to 3 ft. .TONIGHT...NE wind 5 to 10 kts. Patchy fog after midnight. A chance of light showers after midnight. Waves 1 to 3 ft. .WEDNESDAY...N wind 5 to 10 kts. Mostly cloudy in the morning then clearing. Waves 2 ft or less. .WEDNESDAY NIGHT...NE wind 5 to 10 kts. Mostly clear. Waves 2 ft or less. $$ LMZ542-543-192000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 609 AM CDT Tue Aug 19 2025 .TODAY...N wind 10 to 20 kts decreasing to 5 to 10 kts in the afternoon. A chance of sprinkles in the afternoon. Waves 1 to 3 ft. .TONIGHT...N wind 5 to 10 kts. A slight chance of light showers after midnight. Waves 1 to 3 ft. .WEDNESDAY...NE wind 10 to 20 kts. A chance of light showers. Waves 1 to 3 ft. .WEDNESDAY NIGHT...NE wind 10 to 15 kts. Clear. Waves 1 to 3 ft. $$ See Lake Michigan Open Lake Forecast for Thursday through Saturday.