Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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756 FZUS53 KGRB 050608 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 108 AM CDT Sun Oct 5 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-051300- 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- 108 AM CDT Sun Oct 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH LATE TONIGHT... ...SMALL CRAFT SHOULD EXERCISE CAUTION THROUGH THIS MORNING... .OVERNIGHT...S wind 10 to 20 kts. Clear. Waves 1 to 3 ft. .TODAY...S wind 15 to 25 kts with gusts to around 30 kts. Sunny. Waves 1 to 3 ft building to 2 to 4 ft in the late morning and afternoon. .TONIGHT...S wind 10 to 20 kts veering SW after midnight. Gusts to around 25 kts. A chance of light showers and thunderstorms after midnight. Waves 3 to 5 ft subsiding to 1 to 3 ft. .MONDAY...NW wind 10 to 15 kts veering N 5 to 10 kts in the afternoon. A chance of rain showers. Waves 2 ft or less. $$ LMZ541-051300- Rock Island Passage to Sturgeon Bay WI- 108 AM CDT Sun Oct 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .OVERNIGHT...S wind 10 to 20 kts with gusts to around 25 kts. Clear. Waves 3 to 5 ft. .TODAY...S wind 15 to 25 kts with gusts to around 30 kts. Sunny. Waves 4 to 7 ft building to 5 to 8 ft. .TONIGHT...SW wind 15 to 25 kts with gusts to around 30 kts. A chance of light showers after midnight. Waves 5 to 8 ft subsiding to 4 to 7 ft early in the morning. .MONDAY...NW wind 5 to 10 kts veering N in the afternoon. A chance of rain showers. Waves 4 to 7 ft subsiding to 1 to 3 ft. A Small Craft Advisory may be needed. $$ LMZ542-543-051300- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 108 AM CDT Sun Oct 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .OVERNIGHT...S wind 10 to 20 kts with gusts to around 25 kts. Clear. Waves 3 to 5 ft. .TODAY...S wind 15 to 25 kts with gusts to around 30 kts. Sunny. Waves 2 to 4 ft building to 5 to 8 ft. .TONIGHT...SW wind 15 to 25 kts. Clear in the evening then becoming mostly cloudy. Waves 5 to 8 ft subsiding to 4 to 7 ft. .MONDAY...NW wind 5 to 10 kts veering N in the afternoon. Light rain showers likely in the morning, then a chance of rain showers in the afternoon. Waves 3 to 5 ft subsiding to 1 to 3 ft. A Small Craft Advisory may be needed. $$ See Lake Michigan Open Lake Forecast for Tuesday through Thursday.