Nearshore Marine Forecast
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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265 FZUS53 KGRB 111857 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 157 PM CDT Mon May 11 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-112200- 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- 157 PM CDT Mon May 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY AFTERNOON... .THIS AFTERNOON...SE wind 5 to 10 kts. Waves 2 ft or less. Mostly sunny. .TONIGHT...S wind 10 to 15 kts. Waves 2 ft or less. A chance of showers after midnight. .TUESDAY...S wind 15 to 25 kts. Waves 3 to 5 ft. A chance of showers. .TUESDAY NIGHT...NW wind 15 to 25 kts. Waves 1 to 3 ft. Mostly cloudy. $$ LMZ541-112200- Rock Island Passage to Sturgeon Bay WI- 157 PM CDT Mon May 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY AFTERNOON... .THIS AFTERNOON...SE wind 5 to 10 kts. Waves 2 ft or less. Sunny. .TONIGHT...S wind 10 to 15 kts. Waves 1 to 3 ft. Mostly clear in the evening then becoming mostly cloudy. .TUESDAY...S wind to 30 kts. Waves 5 to 8 ft building to 6 to 10 ft in the afternoon. Rain showers in the morning, then a chance of showers in the afternoon. .TUESDAY NIGHT...W wind 10 to 15 kts veering NW, then increasing to 15 to 25 kts after midnight. Waves 5 to 8 ft. A chance of showers in the evening. $$ LMZ542-543-112200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 157 PM CDT Mon May 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY AFTERNOON... .THIS AFTERNOON...E wind 5 to 10 kts. Waves 2 ft or less. Sunny. .TONIGHT...SE wind 5 to 10 kts veering S 10 to 15 kts after midnight. Waves 2 ft or less. A chance of showers after midnight. .TUESDAY...S wind to 30 kts. Waves 5 to 8 ft building to 6 to 10 ft in the afternoon. Rain showers in the morning, then a chance of showers in the afternoon. .TUESDAY NIGHT...NW wind 15 to 25 kts. Waves 4 to 7 ft. Partly cloudy. $$ See Lake Michigan Open Lake Forecast for Wednesday through Friday. Wave height forecast is for ice free areas.