FZUS53 KGRB 282025 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 325 PM CDT Sat Mar 28 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-290400- 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- 325 PM CDT Sat Mar 28 2026 .LATE THIS AFTERNOON...S wind 10 to 20 kts. Waves 2 ft or less. Mostly cloudy. .TONIGHT...SW wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy in the evening then becoming mostly cloudy. .SUNDAY...SW wind 5 to 10 kts backing S early in the afternoon. Waves 2 ft or less. Partly cloudy. .SUNDAY NIGHT...S wind 5 to 10 kts veering SW in the late evening and overnight. Waves 2 ft or less. Mostly clear in the evening then becoming mostly cloudy. .MONDAY...NW wind 5 to 10 kts veering NE 10 to 15 kts in the late morning and afternoon. Waves 2 ft or less. Partly sunny. $$ LMZ541-290400- Rock Island Passage to Sturgeon Bay WI- 325 PM CDT Sat Mar 28 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .LATE THIS AFTERNOON...S wind 15 to 25 kts. Waves 4 to 7 ft. A slight chance of light snow. .TONIGHT...S wind 15 to 25 kts veering SW 10 to 15 kts after midnight. Waves 4 to 7 ft. Mostly cloudy. .SUNDAY...S wind 10 to 15 kts. Waves 2 to 4 ft. Partly sunny. .SUNDAY NIGHT...S wind 10 to 15 kts veering SW 5 to 10 kts after midnight. Waves 2 to 4 ft. Mostly clear in the evening then becoming mostly cloudy. .MONDAY...NW wind 5 to 10 kts veering NE 10 to 15 kts in the late morning and afternoon. Waves 1 to 3 ft. Partly sunny. $$ LMZ542-543-290400- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 325 PM CDT Sat Mar 28 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .LATE THIS AFTERNOON...S wind 15 to 25 kts. Waves 4 to 7 ft. Partly sunny. .TONIGHT...SW wind 10 to 20 kts. Waves 4 to 7 ft subsiding to 3 to 5 ft after midnight. Partly cloudy in the evening then becoming mostly cloudy. .SUNDAY...S wind 10 to 15 kts. Waves 2 to 4 ft. Partly cloudy. .SUNDAY NIGHT...SW wind 10 to 15 kts. Waves 2 to 4 ft. Partly cloudy. .MONDAY...S wind 5 to 10 kts backing E 10 to 15 kts in the late morning and afternoon. Waves 1 to 3 ft. Partly cloudy. $$ See Lake Michigan Open Lake Forecast for Tuesday through Thursday. Wave height forecast is for ice free areas.