Expires:202101172215;;061299 FZUS53 KLOT 171547 NSHLOT NEARSHORE MARINE FORECAST National Weather Service Chicago/Romeoville IL 947 AM CST Sun Jan 17 2021 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>742-172215- Winthrop Harbor to Wilmette Harbor- Wilmette Harbor to Northerly Island- Northerly Island to Calumet Harbor- 947 AM CST Sun Jan 17 2021 .REST OF TODAY...Northwest winds 10 to 15 kt. Snow. Waves 1 to 3 ft. .TONIGHT...West winds 10 to 15 kt. Snow tapering through the evening. Waves 1 to 3 ft. .MONDAY...West winds 10 to 15 kt. Mostly cloudy. Waves 1 to 3 ft. .MONDAY NIGHT...West winds 15 to 20 kt. Mostly cloudy. Waves 1 to 3 ft. $$