Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
633 FZUS53 KLOT 180843 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 343 AM CDT Wed Sep 18 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>742-181515- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 343 AM CDT Wed Sep 18 2024 .TODAY...South winds 5 to 10 kt becoming east in the afternoon. Mostly sunny. Waves 1 to 2 ft. .TONIGHT...East winds 5 to 10 kt becoming southeast by midnight. Partly cloudy. Waves 1 to 2 ft. .THURSDAY...South winds 5 to 10 kt becoming east in the afternoon. Sunny. Waves 1 to 2 ft. .THURSDAY NIGHT...Southeast winds 5 to 10 kt becoming south overnight. Slight chance of showers and thunderstorms overnight. Waves 1 to 2 ft. $$ LMZ743>745-181515- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 343 AM CDT Wed Sep 18 2024 .TODAY...South winds 5 to 10 kt becoming northeast in the afternoon. Sunny. Waves 1 to 2 ft. .TONIGHT...East winds 5 to 10 kt becoming southeast overnight. Partly cloudy. Waves 1 to 2 ft. .THURSDAY...Southeast winds 5 to 10 kt becoming northeast the afternoon. Sunny. Waves 1 to 2 ft. .THURSDAY NIGHT...East winds 5 to 10 kt becoming southeast overnight. Increasing cloudiness. Waves 1 to 2 ft. $$ Borchardt