Expires:202410280315;;505651 FZUS53 KLOT 271958 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 258 PM CDT Sun Oct 27 2024 For waters within five nautical miles of shore on Lake Michigan Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered. LMZ740>742-280315- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 258 PM CDT Sun Oct 27 2024 ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY EVENING... .TONIGHT...Southeast winds around 10 kt becoming south this evening, then increasing to around 15 kt. Clear in the evening, then becoming partly cloudy. Waves 1 to 2 ft. .MONDAY...South winds 15 to 20 kt increasing to 15 to 25 kt. Partly cloudy in the morning, then becoming mostly cloudy. Waves 2 to 4 ft building to 3 to 5 ft. .MONDAY NIGHT...South winds 20 to 25 kt. Slight chance of showers in the evening. Waves 3 to 5 ft. .TUESDAY...South gales to 35 kt. Partly cloudy. Waves 3 to 5 ft. $$