Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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562 FZUS53 KGRB 050809 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 309 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- 309 AM CDT Sun Oct 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH LATE TONIGHT... .EARLY IN THE MORNING...SW 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 afternoon. .TONIGHT...S wind 10 to 20 kts veering SW after midnight. Gusts to around 25 kts. Light rain showers likely after midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. .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. .MONDAY NIGHT...N wind 5 to 10 kts backing NW after midnight. A chance of rain showers in the evening. Waves 2 ft or less. $$ LMZ541-051300- Rock Island Passage to Sturgeon Bay WI- 309 AM CDT Sun Oct 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .EARLY IN THE MORNING...S wind 10 to 20 kts with gusts to around 25 kts. Clear. Waves 3 to 5 ft. .TODAY...S wind 15 to 25 kts with gusts to around 30 kts. Mostly sunny. Waves 3 to 5 ft building to 5 to 8 ft. .TONIGHT...SW wind 15 to 25 kts with gusts to around 30 kts. Light rain showers likely after midnight. Waves 5 to 8 ft subsiding to 4 to 7 ft. .MONDAY...NW wind 5 to 10 kts veering N in the afternoon. Light rain showers likely in the morning, then a chance of rain showers in the afternoon. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. A Small Craft Advisory may be needed. .MONDAY NIGHT...NE wind 5 to 10 kts backing NW after midnight. A chance of rain showers in the evening. Waves 2 ft or less. $$ LMZ542-543-051300- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 309 AM CDT Sun Oct 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .EARLY IN THE MORNING...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. Mostly sunny. Waves 3 to 5 ft building to 5 to 8 ft. .TONIGHT...SW wind 15 to 25 kts. Mostly clear in the evening then becoming mostly cloudy. Waves 4 to 7 ft subsiding to 3 to 5 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 2 to 4 ft subsiding to 1 to 3 ft in the late morning and afternoon. .MONDAY NIGHT...NW wind 5 to 10 kts. A chance of rain showers. Waves 2 ft or less. $$ See Lake Michigan Open Lake Forecast for Tuesday through Thursday.