Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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372 FZUS53 KGRB 160825 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 325 AM CDT Sat May 16 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-161600- 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- 325 AM CDT Sat May 16 2026 .EARLY THIS MORNING...SW wind 10 to 15 kts. Waves 2 ft or less. Mostly cloudy. .TODAY...W wind 10 to 15 kts. Waves 2 ft or less. Mostly sunny. .TONIGHT...NW wind 5 to 10 kts veering NE 10 to 15 kts in the late evening and overnight. Waves 2 ft or less. Mostly clear. .SUNDAY...NE wind 10 to 15 kts. Waves 1 to 3 ft. A chance of showers. .SUNDAY NIGHT...E wind 10 to 15 kts veering S 15 to 25 kts in the late evening and overnight. Waves 2 to 4 ft. A chance of showers in the evening. A chance of thunderstorms. Rain showers likely after midnight. A Small Craft Advisory may be needed. $$ LMZ541-161600- Rock Island Passage to Sturgeon Bay WI- 325 AM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .EARLY THIS MORNING...SW wind 10 to 15 kts. Waves 4 to 7 ft. A slight chance of showers. .TODAY...SW wind 10 to 15 kts. Waves 4 to 7 ft. Partly cloudy in the morning then clearing. .TONIGHT...N wind 5 to 10 kts veering NE 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft. Mostly clear. .SUNDAY...NE wind 10 to 20 kts. Waves 1 to 3 ft building to 2 to 4 ft in the afternoon. A chance of showers. .SUNDAY NIGHT...E wind 15 to 25 kts veering S in the late evening and overnight. Waves 4 to 7 ft building to 6 to 10 ft after midnight. A chance of showers in the evening. A chance of thunderstorms. Rain showers likely after midnight. A Small Craft Advisory may be needed. $$ LMZ542-543-161600- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 325 AM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .EARLY THIS MORNING...SW wind 10 to 15 kts. Waves 4 to 7 ft. Mostly cloudy. .TODAY...W wind 10 to 15 kts. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. Partly cloudy in the morning then clearing. .TONIGHT...NW wind 5 to 10 kts veering NE 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft. Mostly clear. .SUNDAY...NE wind 10 to 20 kts veering E early in the afternoon. Waves 2 to 4 ft building to 3 to 5 ft in the afternoon. A chance of showers. A Small Craft Advisory may be needed. .SUNDAY NIGHT...SE wind 15 to 25 kts veering S in the late evening and overnight. Waves 5 to 8 ft. A chance of showers. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday. Wave height forecast is for ice free areas.