FZUS53 KGRB 250756 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 256 AM CDT Wed Mar 25 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-251000- 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- 256 AM CDT Wed Mar 25 2026 .REST OF THE NIGHT...SE wind 5 to 10 kts. Waves 2 ft or less. Mostly cloudy. .WEDNESDAY...S wind 10 to 15 kts. Waves 2 ft or less. Mostly cloudy. .WEDNESDAY NIGHT...SW wind 5 to 10 kts. Waves 2 ft or less. Mostly cloudy. .THURSDAY...N wind 5 to 10 kts increasing to 10 to 20 kts early in the afternoon. Waves 1 to 3 ft. A chance of light rain. $$ LMZ541-251000- Rock Island Passage to Sturgeon Bay WI- 256 AM CDT Wed Mar 25 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF THE NIGHT...SE wind 10 to 15 kts. Waves 1 to 3 ft. Mostly cloudy. .WEDNESDAY...S wind 10 to 20 kts. Waves 2 to 4 ft building to 3 to 5 ft in the afternoon. Mostly cloudy. .WEDNESDAY NIGHT...SW wind 5 to 10 kts. Waves 3 to 5 ft subsiding to 2 to 4 ft after midnight. Mostly cloudy. .THURSDAY...NW wind 10 to 15 kts veering N 15 to 25 kts early in the afternoon. Waves 1 to 3 ft building to 2 to 4 ft in the afternoon. A chance of light rain. A Small Craft Advisory may be needed. $$ LMZ542-543-251000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 256 AM CDT Wed Mar 25 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF THE NIGHT...S wind 10 to 15 kts. Waves 1 to 3 ft. Mostly cloudy. .WEDNESDAY...S wind 10 to 20 kts. Waves 2 to 4 ft building to 3 to 5 ft in the afternoon. Mostly cloudy. .WEDNESDAY NIGHT...SW wind 5 to 10 kts. Waves 3 to 5 ft subsiding to 2 to 4 ft after midnight. Partly cloudy. .THURSDAY...NW wind 5 to 10 kts veering N 10 to 15 kts mid-day, then increasing to 15 to 25 kts early in the afternoon. Waves 2 ft or less building to 3 to 5 ft in the afternoon. A chance of light rain. $$ See Lake Michigan Open Lake Forecast for Friday through Sunday. Wave height forecast is for ice free areas.