FZUS53 KGRB 230656 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 156 AM CDT Tue Jun 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-231000- 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- 156 AM CDT Tue Jun 23 2026 .REST OF THE NIGHT...N wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy. .TUESDAY...N wind 5 to 10 kts veering SE early in the afternoon. Waves 2 ft or less. Mostly sunny. .TUESDAY NIGHT...S wind 5 to 10 kts. Waves 2 ft or less. A chance of showers after midnight. .WEDNESDAY...SE wind 10 to 15 kts. Waves 1 to 3 ft. Rain showers likely in the morning. A chance of thunderstorms. A chance of showers in the afternoon. $$ LMZ541>543-231000- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 156 AM CDT Tue Jun 23 2026 .REST OF THE NIGHT...N wind 5 to 10 kts. Waves 2 ft or less. Mostly clear. .TUESDAY...N wind 5 to 10 kts veering SE early in the afternoon. Waves 2 ft or less. Mostly sunny. .TUESDAY NIGHT...S wind 5 to 10 kts. Waves 2 ft or less. A chance of showers after midnight. .WEDNESDAY...S wind 10 to 15 kts. Waves 1 to 3 ft building to 2 to 4 ft in the afternoon. Rain showers likely in the morning. A chance of thunderstorms. A chance of showers in the afternoon. $$ See Lake Michigan Open Lake Forecast for Thursday through Saturday.