Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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679 FZUS53 KGRB 220420 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1119 PM CDT Mon Jul 21 2025 For waters within five nautical miles of the shore on Lake Michigan LMZ521-522-221000- 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- 1119 PM CDT Mon Jul 21 2025 .REST OF THE NIGHT...SE wind 5 to 10 kts veering S after midnight. Partly cloudy. Waves 2 ft or less. .TUESDAY...S wind 5 to 10 kts increasing to 10 to 20 kts in the afternoon. Partly sunny. Waves 2 ft or less. .TUESDAY NIGHT...S wind 10 to 20 kts. A chance of showers and thunderstorms after midnight. Waves 1 to 3 ft. .WEDNESDAY...S wind 10 to 20 kts. A chance of showers and thunderstorms. Waves 1 to 3 ft. $$ LMZ541-221000- Rock Island Passage to Sturgeon Bay WI- 1119 PM CDT Mon Jul 21 2025 .REST OF THE NIGHT...SE wind 5 to 10 kts veering S 10 to 15 kts after midnight. Partly cloudy. Waves 1 to 3 ft. .TUESDAY...S wind 10 to 20 kts. Partly cloudy. Waves 2 to 4 ft. .TUESDAY NIGHT...S wind 10 to 20 kts. Partly cloudy in the evening then becoming mostly cloudy. Waves 3 to 5 ft. A Small Craft Advisory may be needed. .WEDNESDAY...S wind 10 to 20 kts. A chance of showers and thunderstorms. Waves 3 to 5 ft. A Small Craft Advisory may be needed. $$ LMZ542-543-221000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1119 PM CDT Mon Jul 21 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM CDT TUESDAY THROUGH TUESDAY EVENING... .REST OF THE NIGHT...E wind 5 to 10 kts veering SE 10 to 15 kts after midnight. Partly cloudy. Waves 2 ft or less building to 2 to 4 ft toward daybreak. .TUESDAY...S wind 10 to 20 kts with gusts to around 25 kts. Partly cloudy. Waves 3 to 5 ft. .TUESDAY NIGHT...S wind 10 to 20 kts. Partly cloudy. Waves 3 to 5 ft. A Small Craft Advisory may be needed. .WEDNESDAY...S wind 10 to 20 kts. Partly cloudy. Waves 3 to 5 ft. A Small Craft Advisory may be needed. $$ See Lake Michigan Open Lake Forecast for Thursday through Saturday.