Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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333 FZUS53 KGRB 202014 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 214 PM CST Thu Nov 20 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-210200- 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- 214 PM CST Thu Nov 20 2025 .REST OF THIS AFTERNOON...SW wind 10 to 15 kts. A chance of sprinkles and a slight chance of drizzle. Waves 1 to 3 ft. .TONIGHT...W wind 10 to 20 kts. A chance of sprinkles in the evening. Waves 1 to 3 ft. .FRIDAY...W wind 5 to 10 kts veering NW in the afternoon. Partly cloudy in the morning then clearing. Waves 2 ft or less. .FRIDAY NIGHT...NW wind 5 to 10 kts. Mostly clear. Waves 2 ft or less. .SATURDAY...W wind 5 to 10 kts backing SW 10 to 15 kts in the afternoon. Mostly cloudy. Waves 2 ft or less. $$ LMZ541-210200- Rock Island Passage to Sturgeon Bay WI- 214 PM CST Thu Nov 20 2025 .REST OF THIS AFTERNOON...SW wind 10 to 20 kts. A chance of sprinkles and a slight chance of drizzle. Waves 1 to 3 ft. .TONIGHT...W wind 10 to 20 kts. A chance of sprinkles in the evening. Waves 1 to 3 ft. .FRIDAY...NW wind 10 to 15 kts. Partly cloudy. Waves 2 ft or less. .FRIDAY NIGHT...NW wind 5 to 10 kts. Mostly clear. Waves 2 ft or less. .SATURDAY...W wind 5 to 10 kts backing SW 10 to 15 kts in the afternoon. Mostly cloudy. Waves 2 ft or less. $$ LMZ542-543-210200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 214 PM CST Thu Nov 20 2025 .REST OF THIS AFTERNOON...SW wind 10 to 15 kts. A chance of sprinkles and a slight chance of drizzle. Waves 2 ft or less. .TONIGHT...W wind 10 to 20 kts. A chance of sprinkles in the evening. Waves 2 ft or less. .FRIDAY...W wind 10 to 20 kts veering NW 5 to 10 kts in the afternoon. Mostly sunny. Waves 2 ft or less. .FRIDAY NIGHT...N wind 5 to 10 kts. Mostly clear. Waves 2 ft or less. .SATURDAY...W wind 5 to 10 kts backing SW 10 to 20 kts in the afternoon. Partly cloudy in the morning then becoming mostly cloudy. Waves 2 ft or less. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday.