Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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445 FZUS53 KGRB 200903 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 403 AM CDT Fri Jun 20 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-201300- 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- 403 AM CDT Fri Jun 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY EVENING... .EARLY IN THE MORNING...SE wind around 5 kts. Areas of fog. A chance of rain showers and a slight chance of thunderstorms. Waves 2 ft or less. .TODAY...S wind 5 to 10 kts. Patchy fog in the morning. A chance of rain showers and a slight chance of thunderstorms. Waves 2 ft or less. .TONIGHT...SE wind 10 to 15 kts. Gusts to around 25 kts after midnight. A chance of rain showers in the evening. A chance of thunderstorms. Rain showers likely after midnight. Waves 1 to 3 ft. .SATURDAY...S wind 10 to 20 kts with gusts to around 25 kts. A chance of light showers and thunderstorms. Waves 1 to 3 ft. .SATURDAY NIGHT...SW wind 10 to 20 kts with gusts to around 25 kts. Mostly clear. Waves 1 to 3 ft. $$ LMZ541-201300- Rock Island Passage to Sturgeon Bay WI- 403 AM CDT Fri Jun 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .EARLY IN THE MORNING...SE wind 5 to 10 kts. Areas of dense fog. A chance of rain showers and a slight chance of thunderstorms. Waves 2 ft or less. .TODAY...S wind 5 to 10 kts. Patchy fog. A chance of rain showers and a slight chance of thunderstorms. Waves 1 to 3 ft. .TONIGHT...S wind 5 to 10 kts increasing to 10 to 20 kts with gusts to around 25 kts after midnight. Patchy fog. A chance of rain showers in the evening. A chance of thunderstorms. Rain showers likely after midnight. Waves 1 to 3 ft building to 3 to 5 ft. .SATURDAY...S wind 10 to 20 kts with gusts to around 25 kts. Patchy fog. A chance of light showers and thunderstorms. Waves 4 to 7 ft building to 5 to 8 ft in the afternoon. .SATURDAY NIGHT...S wind 10 to 20 kts with gusts to around 25 kts. Patchy fog. Waves 4 to 7 ft. $$ LMZ542-543-201300- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 403 AM CDT Fri Jun 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .EARLY IN THE MORNING...S wind 5 to 10 kts. Patchy fog. A chance of light showers and thunderstorms. Waves 2 ft or less. .TODAY...S wind 5 to 10 kts. Patchy fog. A chance of light showers and thunderstorms. Waves 1 to 3 ft. .TONIGHT...S wind 10 to 15 kts. Gusts to around 25 kts after midnight. Patchy fog. A chance of light showers and thunderstorms. Waves 4 to 7 ft. .SATURDAY...S wind 10 to 20 kts with gusts to around 25 kts. Patchy fog. . Waves 4 to 7 ft. .SATURDAY NIGHT...SW wind 10 to 20 kts with gusts to around 25 kts. Patchy fog. Waves 4 to 7 ft. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday.