FZUS53 KGRB 081757 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1256 PM CDT Wed Apr 8 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-082200- 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 Wed Apr 8 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM CDT THIS EVENING... .THIS AFTERNOON...S wind to 30 kts with gale force gusts to around 35 kts. Waves 4 to 7 ft. Mostly cloudy. .TONIGHT...SW wind 15 to 25 kts with gale force gusts to around 35 kts decreasing to 10 to 15 kts after midnight. 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 2 ft or less. Mostly sunny. .THURSDAY NIGHT...N wind 5 to 10 kts veering NE in the late evening and overnight. Waves 2 ft or less. A chance of light rain. A chance of light snow after midnight. $$ LMZ541-082200- Rock Island Passage to Sturgeon Bay WI- 1256 PM CDT Wed Apr 8 2026 ...GALE WARNING IN EFFECT UNTIL 11 PM CDT THIS EVENING... .THIS AFTERNOON...S gales to 35 kts with gale force gusts to around 40 kts. Waves 10 to 14 ft. Mostly cloudy. .TONIGHT...S gales to 35 kts with gale force gusts to around 40 kts becoming SW 15 to 25 kts with gale force gusts to around 40 kts, then decreasing to 10 to 15 kts after midnight. Waves 10 to 14 ft subsiding to 6 to 10 ft after midnight. Rain in the evening, then a chance of light rain after midnight. .THURSDAY...W wind 10 to 20 kts decreasing to 5 to 10 kts early in the afternoon. Waves 4 to 7 ft subsiding to 2 to 4 ft in the afternoon. Mostly sunny. A Small Craft Advisory may be needed. .THURSDAY NIGHT...N wind 5 to 10 kts veering NE in the late evening and overnight. Waves 2 ft or less. A chance of light rain after midnight. $$ LMZ542-543-082200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1256 PM CDT Wed Apr 8 2026 ...GALE WARNING IN EFFECT UNTIL 11 PM CDT THIS EVENING... .THIS AFTERNOON...S gales to 35 kts with gale force gusts to around 40 kts. Waves 10 to 14 ft. Mostly cloudy late in the morning then becoming partly cloudy. .TONIGHT...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 2 to 4 ft in the afternoon. Mostly sunny. A Small Craft Advisory may be needed. .THURSDAY NIGHT...NW wind 5 to 10 kts veering NE in the late evening and overnight. Waves 2 ft or less. A chance of light rain. $$ See Lake Michigan Open Lake Forecast for Friday through Sunday. Wave height forecast is for ice free areas.