FZUS53 KGRB 251756 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1256 PM CDT Sat Apr 25 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-252200- 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- 1256 PM CDT Sat Apr 25 2026 .THIS AFTERNOON...NE wind 5 to 10 kts. Waves 2 ft or less. Mostly 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. Mostly cloudy in the morning then becoming 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. $$ LMZ541-252200- Rock Island Passage to Sturgeon Bay WI- 1256 PM CDT Sat Apr 25 2026 .THIS AFTERNOON...NE wind 10 to 15 kts. Waves 2 ft or less. Mostly cloudy. .TONIGHT...E wind 10 to 15 kts veering SE 5 to 10 kts after midnight. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. .SUNDAY...SE wind 5 to 10 kts backing E early in the afternoon. Waves 2 ft or less. Mostly cloudy in the morning then becoming mostly sunny. .SUNDAY NIGHT...NE wind 5 to 10 kts veering SE 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft. Partly cloudy in the evening then becoming mostly cloudy. $$ LMZ542-543-252200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1256 PM CDT Sat Apr 25 2026 .THIS AFTERNOON...NE wind 10 to 15 kts. Waves 1 to 3 ft. Mostly cloudy late in the morning then becoming mostly sunny. .TONIGHT...NE wind 10 to 15 kts veering SE 5 to 10 kts after midnight. Waves 1 to 3 ft. Mostly clear in the evening then becoming mostly cloudy. .SUNDAY...E wind 5 to 10 kts. Waves 2 ft or less. Partly sunny. .SUNDAY NIGHT...NE wind 5 to 10 kts veering SE 10 to 20 kts in the late evening and overnight. Waves 2 ft or less 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.