Expires:202507200800;;742463 FZUS53 KGRB 200119 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 819 PM CDT Sat Jul 19 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ541-200800- Rock Island Passage to Sturgeon Bay WI- 819 PM CDT Sat Jul 19 2025 .TONIGHT...N wind 10 to 20 kts. Mostly cloudy in the evening then becoming mostly clear. Waves 1 to 3 ft. .SUNDAY...N wind 5 to 10 kts veering E in the afternoon. Mostly sunny. Waves 2 ft or less. .SUNDAY NIGHT...NE wind 5 to 10 kts. Areas of smoke after midnight. Waves 2 ft or less. .MONDAY...E wind 5 to 10 kts. Mostly sunny in the morning then becoming partly cloudy. Waves 2 ft or less. $$