Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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305 FZUS53 KGRB 160637 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 137 AM CDT Wed Jul 16 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-161300- 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- 137 AM CDT Wed Jul 16 2025 .OVERNIGHT...SW wind 5 to 10 kts. Partly cloudy. Waves 2 ft or less. .TODAY...NE wind 10 to 20 kts. A chance of light showers and thunderstorms in the afternoon. Waves 2 ft or less. .TONIGHT...N wind 10 to 20 kts with gusts to around 25 kts. Rain showers likely and a chance of thunderstorms in the evening, then a chance of rain showers after midnight. Waves 1 to 3 ft. A Small Craft Advisory may be needed. .THURSDAY...N wind 10 to 20 kts with gusts to around 25 kts. Partly sunny in the morning then clearing. Waves 1 to 3 ft. $$ LMZ541-161300- Rock Island Passage to Sturgeon Bay WI- 137 AM CDT Wed Jul 16 2025 .OVERNIGHT...SW wind 5 to 10 kts. Mostly cloudy. Waves 1 to 3 ft. .TODAY...N wind 10 to 20 kts. A chance of light showers and a slight chance of thunderstorms in the afternoon. Waves 1 to 3 ft. .TONIGHT...N wind 15 to 25 kts. Gusts to around 30 kts after midnight. A chance of thunderstorms in the evening. Rain showers likely. Waves 1 to 3 ft building to 2 to 4 ft early in the morning. A Small Craft Advisory may be needed. .THURSDAY...N wind 15 to 25 kts. Gusts to around 30 kts in the morning. Partly sunny in the morning then clearing. Waves 2 to 4 ft subsiding to 1 to 3 ft in the late morning and afternoon. $$ LMZ542-543-161300- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 137 AM CDT Wed Jul 16 2025 .OVERNIGHT...S wind 5 to 10 kts. Partly cloudy. Waves 2 ft or less. .TODAY...SE wind 10 to 15 kts backing NE 10 to 20 kts in the afternoon. A chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft. .TONIGHT...N wind 10 to 20 kts with gusts to around 25 kts. Rain showers and a chance of thunderstorms in the evening, then a chance of rain showers after midnight. Waves 1 to 3 ft. A Small Craft Advisory may be needed. .THURSDAY...N wind 15 to 25 kts. Mostly cloudy in the morning then clearing. Waves 1 to 3 ft building to 2 to 4 ft in the late morning and afternoon. $$ See Lake Michigan Open Lake Forecast for Friday through Sunday.