FZUS53 KGRB 060724 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 224 AM CDT Mon Apr 6 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-061000- 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- 224 AM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF THE NIGHT...W wind 5 to 10 kts. Waves 2 ft or less. Isolated snow showers. .MONDAY...NW wind 10 to 15 kts increasing to 15 to 25 kts with gale force gusts to around 35 kts in the late morning and afternoon. Waves 1 to 3 ft building to 3 to 5 ft in the afternoon. Isolated showers in the morning. Scattered snow showers. .MONDAY NIGHT...N wind 15 to 25 kts backing NW 10 to 15 kts in the late evening and overnight. Waves 3 to 5 ft subsiding to 1 to 3 ft after midnight. Scattered snow showers in the evening. .TUESDAY...NW wind 5 to 10 kts backing SW in the late morning and afternoon. Waves 2 ft or less. Sunny. $$ LMZ541-061000- Rock Island Passage to Sturgeon Bay WI- 224 AM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF THE NIGHT...SW wind 5 to 10 kts veering W after midnight. Waves 2 ft or less. Isolated snow showers. .MONDAY...NW wind 10 to 15 kts increasing to to 30 kts with gale force gusts to around 35 kts in the late morning and afternoon. Waves 1 to 3 ft building to 3 to 5 ft in the afternoon. Scattered showers in the morning. Scattered snow showers. .MONDAY NIGHT...N wind 15 to 25 kts backing NW 10 to 15 kts in the late evening and overnight. Waves 3 to 5 ft subsiding to 1 to 3 ft after midnight. Scattered flurries in the evening. .TUESDAY...NW wind 5 to 10 kts backing S early in the afternoon. Waves 2 ft or less. Sunny. $$ LMZ542-543-061000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 224 AM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF THE NIGHT...W wind 5 to 10 kts. Waves 2 ft or less. Isolated showers. .MONDAY...NW wind 10 to 15 kts increasing to to 30 kts in the late morning and afternoon. Waves 1 to 3 ft building to 3 to 5 ft in the afternoon. Isolated showers in the morning, then scattered rain and snow showers in the afternoon. .MONDAY NIGHT...N wind 15 to 25 kts decreasing to 10 to 15 kts after midnight. Waves 4 to 7 ft subsiding to 3 to 5 ft after midnight. Scattered snow showers in the evening. .TUESDAY...NW wind 5 to 10 kts backing S 10 to 15 kts in the late morning and afternoon. Waves 2 ft or less. Sunny. $$ See Lake Michigan Open Lake Forecast for Wednesday through Friday. Wave height forecast is for ice free areas.