FZUS53 KGRB 010857 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 357 AM CDT Wed Apr 1 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-011600- 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- 357 AM CDT Wed Apr 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY EVENING... .EARLY THIS MORNING...N wind 10 to 15 kts. Waves 1 to 3 ft. Mostly cloudy. .TODAY...NE wind 10 to 20 kts. Waves 1 to 3 ft. Partly sunny. .TONIGHT...E wind 15 to 25 kts. Waves 2 to 4 ft building to 4 to 7 ft after midnight. Freezing rain and a chance of sleet after midnight. .THURSDAY...E wind to 30 kts decreasing to 10 to 20 kts early in the afternoon. Gusts to 35 kts. Waves 4 to 7 ft. Rain and freezing rain. .THURSDAY NIGHT...E wind 10 to 15 kts veering SW 15 to 25 kts, then veering W 10 to 20 kts after midnight. Waves 3 to 5 ft subsiding to 1 to 3 ft after midnight. Rain and a chance of thunderstorms in the evening. A Small Craft Advisory may be needed. $$ LMZ541-011600- Rock Island Passage to Sturgeon Bay WI- 357 AM CDT Wed Apr 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH FRIDAY MORNING... .EARLY THIS MORNING...N wind 10 to 20 kts. Waves 2 to 4 ft. Mostly cloudy. .TODAY...NE wind 15 to 25 kts. Waves 2 to 4 ft building to 4 to 7 ft in the afternoon. Partly sunny. .TONIGHT...E wind to 30 kts. Waves 4 to 7 ft building to 5 to 8 ft after midnight. Freezing rain likely and a chance of sleet after midnight. .THURSDAY...E wind to 30 kts with gale force gusts to around 35 kts. Waves 6 to 10 ft. Freezing rain in the morning. Rain. .THURSDAY NIGHT...SE wind 15 to 25 kts veering SW after midnight. Waves 6 to 10 ft. Rain and a chance of thunderstorms in the evening. $$ LMZ542-543-011600- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 357 AM CDT Wed Apr 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .EARLY THIS MORNING...N wind 15 to 25 kts. Waves 3 to 5 ft. Mostly cloudy. .TODAY...NE wind 15 to 25 kts. Waves 4 to 7 ft. Mostly cloudy. .TONIGHT...E wind 15 to 25 kts. Waves 5 to 8 ft. Rain, freezing rain and a chance of light snow after midnight. .THURSDAY...E wind 15 to 25 kts veering SE early in the afternoon. Waves 6 to 10 ft. Freezing rain in the morning. Rain. .THURSDAY NIGHT...S wind to 30 kts veering W 15 to 25 kts after midnight. Waves 6 to 10 ft. Light rain and a chance of thunderstorms in the evening. $$ See Lake Michigan Open Lake Forecast for Friday through Sunday. Wave height forecast is for ice free areas.