FZUS53 KGRB 080556 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1256 AM CDT Wed Apr 8 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-081000- 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 AM CDT Wed Apr 8 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM CDT EARLY THIS MORNING THROUGH THIS EVENING... .REST OF THE NIGHT...S wind 10 to 20 kts. Waves 2 to 4 ft. A chance of light snow after midnight. .WEDNESDAY...S wind to 30 kts with gale force gusts to around 35 kts. Waves 4 to 7 ft. Light rain, light snow and light freezing rain likely in the morning. A chance of light rain in the afternoon. .WEDNESDAY NIGHT...S wind 15 to 25 kts with gale force gusts to around 40 kts veering SW 10 to 15 kts with gale force gusts to around 40 kts in the late evening and overnight. Waves 4 to 7 ft subsiding to 1 to 3 ft after midnight. Rain in the evening. .THURSDAY...W wind 10 to 15 kts. Waves 1 to 3 ft. Mostly sunny. $$ LMZ541-081000- Rock Island Passage to Sturgeon Bay WI- 1256 AM CDT Wed Apr 8 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 10 AM CDT THIS MORNING... ...GALE WARNING IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING... .REST OF THE NIGHT...S wind 15 to 25 kts. Waves 1 to 3 ft building to 4 to 7 ft after midnight. Partly cloudy. .WEDNESDAY...S wind to 30 kts increasing to gales to 35 kts in the late morning and afternoon. Gusts to 40 kts. Waves 8 to 12 ft building to 10 to 14 ft in the afternoon. Light snow likely in the morning. A chance of light rain. .WEDNESDAY NIGHT...S wind to 30 kts with gale force gusts to around 40 kts becoming SW 10 to 20 kts with gale force gusts to around 40 kts in the late evening and overnight. Waves 12 to 16 ft subsiding to 6 to 10 ft after midnight. Rain in the evening. .THURSDAY...W wind 10 to 15 kts. Waves 4 to 7 ft subsiding to 2 to 4 ft in the afternoon. Mostly sunny. A Small Craft Advisory may be needed. $$ LMZ542-543-081000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1256 AM CDT Wed Apr 8 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 10 AM CDT THIS MORNING... ...GALE WARNING IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING... .REST OF THE NIGHT...S wind 15 to 25 kts. Waves 1 to 3 ft building to 4 to 7 ft after midnight. A chance of light snow after midnight. .WEDNESDAY...S gales to 35 kts with gale force gusts to around 40 kts. Waves 8 to 12 ft building to 10 to 14 ft in the afternoon. Light rain likely and a slight chance of light snow in the morning. A slight chance of light rain in the afternoon. .WEDNESDAY NIGHT...S wind to 30 kts with gale force gusts to around 35 kts becoming SW 10 to 20 kts with gale force gusts to around 35 kts in the late evening and overnight. Waves 10 to 14 ft subsiding to 5 to 8 ft after midnight. Rain in the evening, then a chance of light rain after midnight. .THURSDAY...W wind 10 to 15 kts. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. Mostly sunny. A Small Craft Advisory may be needed. $$ See Lake Michigan Open Lake Forecast for Friday through Sunday. Wave height forecast is for ice free areas.