FZUS53 KGRB 052053 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 353 PM CDT Wed Aug 5 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-060400- 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- 353 PM CDT Wed Aug 5 2026 .LATE THIS AFTERNOON...SE wind 5 to 10 kts. Waves 2 ft or less. A chance of showers. .TONIGHT...SE wind 5 to 10 kts veering SW after midnight. Waves 2 ft or less. Patchy fog after midnight. .THURSDAY...SW wind 5 to 10 kts backing S early in the afternoon. Waves 2 ft or less. Partly cloudy in the morning then clearing. .THURSDAY NIGHT...S wind 10 to 15 kts veering SW 5 to 10 kts after midnight. Waves 2 ft or less. Mostly clear. .FRIDAY...S wind 10 to 15 kts. Waves 2 ft or less. Mostly sunny. $$ LMZ541>543-060400- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 353 PM CDT Wed Aug 5 2026 .LATE THIS AFTERNOON...SE wind 5 to 10 kts. Waves 2 ft or less. Showers. .TONIGHT...SE wind 5 to 10 kts backing N, then backing W after midnight. Waves 2 ft or less. A chance of showers in the evening. patchy fog after midnight. .THURSDAY...SW wind around 5 kts backing SE in the late morning and afternoon. Waves 2 ft or less. Partly cloudy in the morning then clearing. .THURSDAY NIGHT...S wind 5 to 10 kts veering SW after midnight. Waves 2 ft or less. Partly cloudy. .FRIDAY...S wind 10 to 15 kts. Waves 2 to 4 ft. Mostly sunny. $$ See Lake Michigan Open Lake Forecast for Saturday through Monday.