FZUS53 KGRB 251336 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 836 AM CDT Sat Apr 25 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-251600- 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- 836 AM CDT Sat Apr 25 2026 .TODAY...NE wind 5 to 10 kts. Waves 2 ft or less. Mostly cloudy in the morning then becoming partly cloudy. .TONIGHT...E wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. .SUNDAY...E wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy. .SUNDAY NIGHT...E wind 5 to 10 kts veering SE 10 to 15 kts after midnight. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. $$ LMZ541-251600- Rock Island Passage to Sturgeon Bay WI- 836 AM CDT Sat Apr 25 2026 .TODAY...NE wind 5 to 10 kts. Waves 2 ft or less. Mostly cloudy in the morning then becoming partly cloudy. .TONIGHT...E wind 5 to 10 kts veering SE after midnight. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. .SUNDAY...SE wind 5 to 10 kts backing NE early in the afternoon. Waves 2 ft or less. Partly cloudy. .SUNDAY NIGHT...E wind 10 to 15 kts veering SE in the late evening and overnight. Waves 1 to 3 ft. Partly cloudy in the evening then becoming mostly cloudy. $$ LMZ542-543-251600- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 836 AM CDT Sat Apr 25 2026 .TODAY...N wind 10 to 15 kts. Waves 1 to 3 ft. Mostly cloudy in the morning then becoming partly cloudy. .TONIGHT...NE wind 10 to 15 kts veering SE 5 to 10 kts after midnight. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. .SUNDAY...E wind 5 to 10 kts. Waves 2 ft or less. Partly sunny. .SUNDAY NIGHT...E wind 10 to 15 kts veering SE 15 to 25 kts after midnight. Waves 1 to 3 ft building to 3 to 5 ft after midnight. Partly cloudy in the evening then becoming mostly cloudy. A Small Craft Advisory may be needed. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday. Wave height forecast is for ice free areas.