Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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129 FZUS53 KGRB 021833 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 133 PM CDT Tue Sep 2 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-030200- 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- 133 PM CDT Tue Sep 2 2025 .THIS AFTERNOON...S wind 10 to 15 kts. Mostly sunny. Waves 2 ft or less. .TONIGHT...SW wind 10 to 20 kts with a few gusts to around 25 kts. A chance of light showers and thunderstorms after midnight. Waves 1 to 3 ft building to 2 to 4 ft early in the morning. A Small Craft Advisory may be needed. .WEDNESDAY...W wind 10 to 20 kts veering NW in the afternoon. Gusts to around 25 kts. A chance of waterspouts. Rain showers likely and a chance of thunderstorms. Waves 2 to 4 ft subsiding to 1 to 3 ft in the late morning and afternoon. .WEDNESDAY NIGHT...NW wind 10 to 20 kts. A chance of waterspouts. . Waves 1 to 3 ft. $$ LMZ541-030200- Rock Island Passage to Sturgeon Bay WI- 133 PM CDT Tue Sep 2 2025 .THIS AFTERNOON...S wind 10 to 15 kts. Sunny. Waves 2 ft or less. .TONIGHT...SW wind 10 to 20 kts with a few gusts to around 25 kts. Light showers likely and a chance of thunderstorms after midnight. Waves 1 to 3 ft building to 2 to 4 ft early in the morning. A Small Craft Advisory may be needed. .WEDNESDAY...W wind 10 to 20 kts veering NW in the afternoon. Gusts to around 25 kts. A chance of waterspouts. Rain showers and a chance of thunderstorms. Waves 2 to 4 ft subsiding to 1 to 3 ft in the late morning and afternoon. .WEDNESDAY NIGHT...NW wind 10 to 20 kts with gusts to around 25 kts. A chance of rain showers in the evening. A chance of waterspouts. Waves 1 to 3 ft. $$ LMZ542-543-030200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 133 PM CDT Tue Sep 2 2025 .THIS AFTERNOON...S wind 10 to 15 kts. Mostly sunny. Waves 2 ft or less. .TONIGHT...SW wind 10 to 20 kts. A chance of light showers and a slight chance of thunderstorms after midnight. Waves 1 to 3 ft. .WEDNESDAY...W wind 10 to 20 kts veering NW in the afternoon. Gusts to around 25 kts. A chance of waterspouts. Rain showers and a chance of thunderstorms. Waves 1 to 3 ft. A Small Craft Advisory may be needed. .WEDNESDAY NIGHT...NW wind 10 to 20 kts. A chance of waterspouts. . Waves 1 to 3 ft. $$ See Lake Michigan Open Lake Forecast for Thursday through Saturday.