FZUS53 KGRB 240956 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 456 AM CDT Tue Mar 24 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-241600- 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- 456 AM CDT Tue Mar 24 2026 .EARLY THIS MORNING...SW wind 10 to 15 kts. Waves 2 ft or less. Cloudy. .TODAY...SW wind 10 to 15 kts backing S 5 to 10 kts early in the afternoon. Waves 2 ft or less. Mostly cloudy. .TONIGHT...SE wind 5 to 10 kts veering S after midnight. Waves 2 ft or less. Mostly cloudy. .WEDNESDAY...S wind 5 to 10 kts. Waves 2 ft or less. Mostly cloudy. .WEDNESDAY NIGHT...S wind 5 to 10 kts veering SW after midnight. Waves 2 ft or less. Mostly cloudy. $$ LMZ541-241600- Rock Island Passage to Sturgeon Bay WI- 456 AM CDT Tue Mar 24 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .EARLY THIS MORNING...SW wind 15 to 25 kts. Waves 3 to 5 ft. A slight chance of light snow. .TODAY...SW wind 10 to 20 kts backing S 5 to 10 kts early in the afternoon. Waves 3 to 5 ft subsiding to 2 to 4 ft in the afternoon. Mostly cloudy. .TONIGHT...SE wind 10 to 15 kts. Waves 1 to 3 ft. Mostly cloudy. .WEDNESDAY...S wind 10 to 15 kts. Waves 1 to 3 ft building to 2 to 4 ft in the afternoon. Mostly cloudy. .WEDNESDAY NIGHT...SW wind 5 to 10 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Mostly cloudy. $$ LMZ542-543-241600- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 456 AM CDT Tue Mar 24 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .EARLY THIS MORNING...SW wind 15 to 25 kts. Waves 2 to 4 ft. Mostly cloudy. .TODAY...SW wind 15 to 25 kts becoming S 5 to 10 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. Mostly cloudy. .TONIGHT...S wind 10 to 15 kts. Waves 1 to 3 ft. Mostly cloudy. .WEDNESDAY...S wind 10 to 15 kts. Waves 1 to 3 ft building to 2 to 4 ft in the afternoon. Mostly cloudy. .WEDNESDAY NIGHT...SW wind 10 to 15 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Mostly cloudy. $$ See Lake Michigan Open Lake Forecast for Thursday through Saturday. Wave height forecast is for ice free areas.