Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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198 FZUS53 KGRB 040815 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 315 AM CDT Fri Jul 4 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-041300- 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- 315 AM CDT Fri Jul 4 2025 .EARLY IN THE MORNING...SE wind 5 to 10 kts. A slight chance of light showers and thunderstorms. Waves 2 ft or less. .TODAY...S wind 5 to 10 kts. A slight chance of light showers and thunderstorms. Waves 2 ft or less. .TONIGHT...S wind 10 to 15 kts. Partly cloudy. Waves 2 ft or less. .SATURDAY...SW wind 10 to 20 kts with gusts to around 25 kts. A chance of light showers and thunderstorms in the afternoon. Waves 1 to 3 ft. A Small Craft Advisory may be needed. .SATURDAY NIGHT...SW wind 10 to 20 kts. Showers in the evening. A chance of thunderstorms. A chance of light showers after midnight. Waves 1 to 3 ft. $$ LMZ541-041300- Rock Island Passage to Sturgeon Bay WI- 315 AM CDT Fri Jul 4 2025 .EARLY IN THE MORNING...SE wind 5 to 10 kts. Mostly clear. Waves 2 ft or less. .TODAY...S wind 5 to 10 kts increasing to 10 to 20 kts in the afternoon. A slight chance of rain showers. A slight chance of thunderstorms in the afternoon. Waves 1 to 3 ft. .TONIGHT...S wind 10 to 20 kts. Partly cloudy. Waves 2 to 4 ft. .SATURDAY...S wind 10 to 20 kts. A chance of light showers and thunderstorms in the afternoon. Waves 1 to 3 ft building to 3 to 5 ft in the afternoon. A Small Craft Advisory may be needed. .SATURDAY NIGHT...SW wind 10 to 20 kts with gusts to around 25 kts. Showers and a chance of thunderstorms. Waves 3 to 5 ft subsiding to 2 to 4 ft early in the morning. $$ LMZ542-543-041300- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 315 AM CDT Fri Jul 4 2025 .EARLY IN THE MORNING...S wind 5 to 10 kts. A slight chance of light showers and thunderstorms. Waves 2 ft or less. .TODAY...S wind 5 to 10 kts increasing to 10 to 20 kts in the afternoon. A chance of light showers and thunderstorms. Waves 1 to 3 ft. .TONIGHT...S wind 10 to 20 kts. Partly cloudy. Waves 1 to 3 ft. .SATURDAY...S wind 15 to 25 kts. A chance of light showers and thunderstorms in the afternoon. Waves 1 to 3 ft building to 3 to 5 ft in the afternoon. A Small Craft Advisory may be needed. .SATURDAY NIGHT...SW wind 10 to 20 kts with gusts to around 25 kts. Showers likely in the evening. A chance of thunderstorms. A chance of light showers after midnight. Waves 3 to 5 ft subsiding to 2 to 4 ft after midnight. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday.