Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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750 FZUS53 KGRB 280337 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1037 PM CDT Wed Aug 27 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-281000- 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- 1037 PM CDT Wed Aug 27 2025 .REST OF THE NIGHT...NW wind 10 to 15 kts. Rain showers likely and a slight chance of thunderstorms. Waves 2 ft or less. .THURSDAY...N wind 10 to 20 kts. Partly cloudy. Waves 2 to 4 ft. .THURSDAY NIGHT...N wind 10 to 15 kts. Mostly clear. Waves 2 to 4 ft subsiding to 1 to 3 ft in the late evening and overnight. .FRIDAY...NE wind 5 to 10 kts veering E in the afternoon. Mostly sunny. Waves 2 ft or less. $$ LMZ541-281000- Rock Island Passage to Sturgeon Bay WI- 1037 PM CDT Wed Aug 27 2025 .REST OF THE NIGHT...NW wind 10 to 20 kts. Rain showers likely late in the evening. A slight chance of thunderstorms. A slight chance of rain showers after midnight. Waves 1 to 3 ft. .THURSDAY...N wind 10 to 20 kts. Partly cloudy. Waves 2 to 4 ft. .THURSDAY NIGHT...NE wind 10 to 15 kts. Partly cloudy. Waves 1 to 3 ft. .FRIDAY...NE wind 5 to 10 kts. Partly cloudy in the morning then clearing. Waves 2 ft or less. $$ LMZ542-543-281000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1037 PM CDT Wed Aug 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... .REST OF THE NIGHT...W wind 10 to 15 kts veering NW after midnight. A chance of light showers and a slight chance of thunderstorms. Waves 2 ft or less. .THURSDAY...N wind 10 to 20 kts with gusts to around 25 kts. Mostly cloudy in the morning then clearing. Waves 2 ft or less building to 2 to 4 ft in the late morning and afternoon. .THURSDAY NIGHT...NE wind 10 to 20 kts with gusts to around 25 kts backing N 5 to 10 kts after midnight. Clear in the evening then becoming partly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft early in the morning. .FRIDAY...NE wind 5 to 10 kts. Mostly sunny. Waves 2 ft or less. $$ See Lake Michigan Open Lake Forecast for Saturday through Monday.