Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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822 FZUS53 KGRB 032123 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 423 PM CDT Fri Oct 3 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-040100- 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- 423 PM CDT Fri Oct 3 2025 .REST OF THIS AFTERNOON...S wind 5 to 10 kts. Partly cloudy. Waves 2 ft or less. .TONIGHT...S wind 5 to 10 kts. Mostly clear. Waves 2 ft or less. .SATURDAY...S wind 10 to 20 kts. Sunny. Waves 1 to 3 ft. .SATURDAY NIGHT...S wind 10 to 20 kts. Clear. Waves 1 to 3 ft. .SUNDAY...S wind 15 to 25 kts with gusts to around 30 kts. Mostly sunny. Waves 1 to 3 ft building to 3 to 5 ft in the afternoon. A Small Craft Advisory may be needed. $$ LMZ541-040100- Rock Island Passage to Sturgeon Bay WI- 423 PM CDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING... .REST OF THIS AFTERNOON...S wind 10 to 15 kts. A slight chance of light showers. Waves 2 ft or less. .TONIGHT...S wind 5 to 10 kts. Mostly clear. Waves 1 to 3 ft. .SATURDAY...S wind 10 to 20 kts. Gusts to around 25 kts in the afternoon. Sunny. Waves 1 to 3 ft building to 2 to 4 ft late in the afternoon. .SATURDAY NIGHT...S wind 10 to 20 kts with gusts to around 25 kts. Mostly clear. Waves 3 to 5 ft. .SUNDAY...S wind 15 to 25 kts with gusts to around 30 kts. Mostly sunny. Waves 3 to 5 ft building to 5 to 8 ft. $$ LMZ542-543-040100- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 423 PM CDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING... .REST OF THIS AFTERNOON...S wind 10 to 20 kts. Mostly sunny. Waves 1 to 3 ft. .TONIGHT...S wind 5 to 10 kts. Mostly clear. Waves 1 to 3 ft. .SATURDAY...S wind 10 to 20 kts with gusts to around 25 kts. Mostly sunny. Waves 1 to 3 ft building to 3 to 5 ft. .SATURDAY NIGHT...S wind 10 to 20 kts with gusts to around 25 kts. Clear. Waves 3 to 5 ft subsiding to 2 to 4 ft early in the morning. .SUNDAY...S wind 15 to 25 kts with gusts to around 30 kts. Mostly sunny. Waves 2 to 4 ft building to 6 to 10 ft. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday.