FZUS53 KGRB 011856 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1256 PM CST Sun Nov 1 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-012300- 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- 1256 PM CST Sun Nov 1 2026 .THIS AFTERNOON...S wind 5 to 10 kts. Waves 2 ft or less. Partly sunny. .TONIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. .MONDAY...S wind 10 to 15 kts. Waves 1 to 3 ft. A chance of showers in the afternoon. .MONDAY NIGHT...S wind 15 to 25 kts. Waves 3 to 5 ft. Rain showers. A Small Craft Advisory may be needed. $$ LMZ541>543-012300- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1256 PM CST Sun Nov 1 2026 .THIS AFTERNOON...S wind 5 to 10 kts. Waves 2 ft or less. Partly sunny. .TONIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. .MONDAY...S wind 5 to 10 kts increasing to 15 to 25 kts in the late morning and afternoon. Waves 5 to 8 ft. Cloudy. A Small Craft Advisory may be needed. .MONDAY NIGHT...S wind to 30 kts. Waves 5 to 8 ft building to 6 to 10 ft after midnight. Rain showers likely. $$ See Lake Michigan Open Lake Forecast for Tuesday through Thursday.