Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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278 FZUS53 KGRB 121451 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 951 AM CDT Sun Oct 12 2025 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-122215- 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- 951 AM CDT Sun Oct 12 2025 .THIS AFTERNOON...S wind 10 to 20 kts. Waves 1 to 3 ft. Partly sunny. .TONIGHT...S wind 10 to 15 kts. Waves 1 to 3 ft. A chance of showers after midnight. .MONDAY...SW wind 10 to 15 kts decreasing to 5 to 10 kts early in the afternoon. Waves 1 to 3 ft. A chance of showers. .MONDAY NIGHT...W wind 5 to 10 kts veering N 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft. Mostly clear. $$ LMZ541-122215- Rock Island Passage to Sturgeon Bay WI- 951 AM CDT Sun Oct 12 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON... .THIS AFTERNOON...S wind 10 to 15 kts. Waves 2 to 4 ft. Partly cloudy. .TONIGHT...S wind 10 to 20 kts. Waves 2 to 4 ft building to 3 to 5 ft after midnight. A chance of showers after midnight. .MONDAY...S wind 10 to 15 kts veering SW 5 to 10 kts early in the afternoon. Waves 3 to 5 ft. A chance of showers. .MONDAY NIGHT...W wind 5 to 10 kts veering N 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft. Mostly clear. $$ LMZ543-122215- Two Rivers to Sheboygan WI- 951 AM CDT Sun Oct 12 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH MONDAY AFTERNOON... .THIS AFTERNOON...SE wind 10 to 20 kts. Waves 3 to 5 ft. Partly sunny. .TONIGHT...S wind 10 to 20 kts. Waves 3 to 5 ft. A slight chance of showers after midnight. .MONDAY...S wind 10 to 15 kts. Waves 3 to 5 ft. Mostly cloudy. .MONDAY NIGHT...W wind 5 to 10 kts veering N 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft. Partly cloudy. $$ LMZ542-122215- Sturgeon Bay to Two Rivers WI- 951 AM CDT Sun Oct 12 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON... .THIS AFTERNOON...S wind 10 to 20 kts. Waves 3 to 5 ft. Partly sunny. .TONIGHT...S wind 10 to 20 kts. Waves 3 to 5 ft. A slight chance of showers after midnight. .MONDAY...SW wind 10 to 15 kts. Waves 3 to 5 ft. A chance of showers. .MONDAY NIGHT...W wind 5 to 10 kts veering N 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft. Partly cloudy. $$ See Lake Michigan Open Lake Forecast for Tuesday through Thursday.