FZUS53 KGRB 020131 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 731 PM CST Sun Feb 1 2026 For waters within five nautical miles of shore on Lake Michigan LMZ541-020500- Rock Island Passage to Sturgeon Bay WI- 731 PM CST Sun Feb 1 2026 .TONIGHT...SW wind 10 to 15 kts. Waves 3 to 5 ft. A chance of light snow. .MONDAY...NW wind 10 to 15 kts. Waves 1 to 3 ft. Mostly cloudy. .MONDAY NIGHT...NW wind 10 to 15 kts. Waves 2 ft or less. Partly cloudy. .TUESDAY...NW wind 10 to 15 kts. Waves 2 ft or less. Mostly sunny. $$ LMZ542-543-020500- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 731 PM CST Sun Feb 1 2026 .TONIGHT...S wind 15 to 25 kts veering SW 10 to 15 kts in the late evening and overnight. Waves 2 to 4 ft. A chance of light snow in the evening, then light snow likely and a slight chance of freezing drizzle after midnight. .MONDAY...NW wind 10 to 15 kts. Waves 1 to 3 ft. Partly sunny. .MONDAY NIGHT...NW wind 10 to 15 kts. Waves 2 ft or less. Mostly cloudy in the evening then becoming partly cloudy. .TUESDAY...N wind 10 to 15 kts. Waves 2 ft or less. Mostly sunny. $$ See Lake Michigan Open Lake Forecast for Wednesday through Friday. Wave height forecast is for ice free areas.