Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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621 FZUS53 KGRB 200348 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1048 PM CDT Tue Aug 19 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-201000- 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- 1048 PM CDT Tue Aug 19 2025 .REST OF THE NIGHT...NE wind 5 to 10 kts. A slight chance of sprinkles late in the evening, then a slight chance of light showers after midnight. Patchy fog after midnight. Waves 2 ft or less. .WEDNESDAY...NE wind 10 to 20 kts. A slight chance of sprinkles in the morning. Waves 2 ft or less. .WEDNESDAY NIGHT...NE wind 5 to 10 kts. Mostly clear. Waves 2 ft or less. .THURSDAY...NE wind 5 to 10 kts veering E in the afternoon. Sunny. Waves 2 ft or less. $$ LMZ541-201000- Rock Island Passage to Sturgeon Bay WI- 1048 PM CDT Tue Aug 19 2025 .REST OF THE NIGHT...NE wind 5 to 10 kts. Patchy fog after midnight. A slight chance of light showers after midnight. Waves 2 ft or less. .WEDNESDAY...NE wind 10 to 20 kts. A slight chance of light showers in the morning. Waves 2 ft or less. .WEDNESDAY NIGHT...NE wind 5 to 10 kts. Mostly clear. Waves 2 ft or less. .THURSDAY...NE wind around 5 kts veering E in the afternoon. Sunny. Waves 2 ft or less. $$ LMZ542-543-201000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1048 PM CDT Tue Aug 19 2025 .REST OF THE NIGHT...NE wind 5 to 10 kts. A slight chance of light showers after midnight. Waves 2 ft or less. .WEDNESDAY...NE wind 10 to 20 kts. A slight chance of light showers in the morning, then a slight chance of sprinkles in the afternoon. Waves 1 to 3 ft. .WEDNESDAY NIGHT...NE wind 10 to 15 kts. Mostly clear. Waves 1 to 3 ft. .THURSDAY...NE wind 5 to 10 kts. Sunny. Waves 2 ft or less. $$ See Lake Michigan Open Lake Forecast for Friday through Sunday.