Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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271 FZUS53 KGRB 052059 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 359 PM CDT Sun Oct 5 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-060100- 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- 359 PM CDT Sun Oct 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF THIS AFTERNOON...S wind 15 to 25 kts with gusts to around 30 kts. Sunny. Waves 2 to 4 ft. .TONIGHT...S wind 10 to 20 kts veering W after midnight. Gusts to around 30 kts. A slight chance of rain showers in the evening, then rain showers likely and a slight chance of thunderstorms after midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. .MONDAY...N wind 5 to 10 kts. A chance of rain showers. Waves 2 ft or less. .MONDAY NIGHT...N wind around 5 kts backing NW after midnight. A chance of rain showers in the evening. Waves 2 ft or less. .TUESDAY...NW wind 5 to 10 kts. Sunny. Waves 2 ft or less. $$ LMZ541-060100- Rock Island Passage to Sturgeon Bay WI- 359 PM CDT Sun Oct 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF THIS AFTERNOON...S wind 15 to 25 kts with gusts to around 30 kts. Mostly sunny. Waves 4 to 7 ft building to 5 to 8 ft early in the evening. .TONIGHT...S wind 10 to 20 kts veering SW 10 to 15 kts after midnight. Gusts to around 30 kts. Light showers likely and a slight chance of thunderstorms after midnight. Waves 5 to 8 ft subsiding to 3 to 5 ft. .MONDAY...NW wind 5 to 10 kts veering N in the afternoon. Light rain showers likely in the morning, then a chance of rain showers in the afternoon. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. .MONDAY NIGHT...N wind around 5 kts backing NW after midnight. A chance of rain showers in the evening. Waves 2 ft or less. .TUESDAY...NW wind 10 to 20 kts. Mostly sunny. Waves 2 ft or less. $$ LMZ542-543-060100- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 359 PM CDT Sun Oct 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF THIS AFTERNOON...S wind 15 to 25 kts with gusts to around 30 kts. Mostly sunny. Waves 4 to 7 ft. .TONIGHT...SW wind 10 to 20 kts with gusts to around 25 kts. A chance of light showers after midnight. Waves 4 to 7 ft subsiding to 3 to 5 ft after midnight. .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...N wind 5 to 10 kts backing NW after midnight. A chance of rain showers. Waves 2 ft or less. .TUESDAY...NW wind 10 to 15 kts. Mostly sunny. Waves 2 ft or less. $$ See Lake Michigan Open Lake Forecast for Wednesday through Friday.