FZUS53 KGRB 090350 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1049 PM CDT Wed Apr 8 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-091000- 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- 1050 PM CDT Wed Apr 8 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT THURSDAY... .REST OF TONIGHT...SW wind 10 to 20 kts. Waves 3 to 5 ft subsiding to 1 to 3 ft after midnight. Rain late 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. .FRIDAY...N wind 5 to 10 kts veering NE early in the afternoon. Waves 2 ft or less. Partly cloudy. $$ LMZ541-091000- Rock Island Passage to Sturgeon Bay WI- 1050 PM CDT Wed Apr 8 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .REST OF TONIGHT...S wind to 30 kts with gale force gusts to around 35 kts becoming SW 10 to 20 kts with gale force gusts to around 35 kts in the late evening and overnight. Waves 10 to 14 ft subsiding to 6 to 10 ft after midnight. Rain late in the evening, then a chance of light rain after midnight. .THURSDAY...W wind 10 to 15 kts. Waves 4 to 7 ft subsiding to 2 to 4 ft in the afternoon. Mostly sunny. .THURSDAY NIGHT...N wind 5 to 10 kts veering NE in the late evening and overnight. Waves 1 to 3 ft. Mostly cloudy. .FRIDAY...N wind 5 to 10 kts veering E early in the afternoon. Waves 2 ft or less. Partly cloudy in the morning then clearing. $$ LMZ542-543-091000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1050 PM CDT Wed Apr 8 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .REST OF TONIGHT...S wind 15 to 25 kts with gale force gusts to around 35 kts veering SW 10 to 20 kts with gale force gusts to around 35 kts in the late evening and overnight. Waves 8 to 12 ft subsiding to 5 to 8 ft after midnight. Rain and a slight chance of thunderstorms late 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. .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. .FRIDAY...N wind 5 to 10 kts veering NE early in the afternoon. Waves 2 ft or less. Partly cloudy. $$ See Lake Michigan Open Lake Forecast for Saturday through Monday. Wave height forecast is for ice free areas.