Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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878 FZUS53 KGRB 092126 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 426 PM CDT Tue Sep 9 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-100100- 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- 426 PM CDT Tue Sep 9 2025 .REST OF THIS AFTERNOON...S wind 10 to 20 kts. A slight chance of light showers and thunderstorms. Waves 1 to 3 ft. .TONIGHT...SW wind 10 to 15 kts. A slight chance of rain showers. Waves 2 ft or less. .WEDNESDAY...S wind 5 to 10 kts backing SE in the afternoon. Partly sunny. Waves 2 ft or less. .WEDNESDAY NIGHT...NE wind 5 to 10 kts. Partly cloudy in the evening then becoming mostly cloudy. Waves 2 ft or less. .THURSDAY...NE wind 5 to 10 kts. Partly cloudy in the morning then clearing. Waves 2 ft or less. $$ LMZ541-100100- Rock Island Passage to Sturgeon Bay WI- 426 PM CDT Tue Sep 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF THIS AFTERNOON...S wind 15 to 25 kts. Mostly cloudy. Waves 4 to 7 ft. .TONIGHT...S wind 10 to 20 kts with gusts to around 25 kts veering SW 5 to 10 kts after midnight. A slight chance of rain showers. Waves 4 to 7 ft subsiding to 1 to 3 ft. .WEDNESDAY...S wind 5 to 10 kts backing SE in the afternoon. Partly sunny. Waves 2 ft or less. .WEDNESDAY NIGHT...NE wind 5 to 10 kts. Partly cloudy. Waves 2 ft or less. .THURSDAY...NE wind 5 to 10 kts. Partly cloudy in the morning then clearing. Waves 2 ft or less. $$ LMZ542-543-100100- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 426 PM CDT Tue Sep 9 2025 .REST OF THIS AFTERNOON...S wind 15 to 25 kts. Partly cloudy. Waves 2 to 4 ft. .TONIGHT...SW wind 10 to 15 kts. Mostly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. A Small Craft Advisory may be needed. .WEDNESDAY...S wind 5 to 10 kts. Partly sunny. Waves 2 ft or less. .WEDNESDAY NIGHT...E wind around 5 kts backing NE after midnight. Partly cloudy. Waves 2 ft or less. .THURSDAY...NE wind 5 to 10 kts. Mostly sunny. Waves 2 ft or less. $$ See Lake Michigan Open Lake Forecast for Friday through Sunday.