Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
563 FZUS53 KLOT 181448 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 948 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>742-182130- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 948 AM CDT Wed Sep 18 2024 .REST OF 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 overnight. Mostly clear. Waves 1 to 2 ft. .THURSDAY...South winds 5 to 10 kt becoming southeast in the afternoon. Sunny. Waves 1 to 3 ft. .THURSDAY NIGHT...Southeast winds 5 to 10 kt becoming south overnight. Slight chance of showers and thunderstorms overnight. Waves 1 to 3 ft. $$ LMZ743>745-182130- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 948 AM CDT Wed Sep 18 2024 .REST OF TODAY...South winds 5 to 10 kt becoming northeast in the afternoon. Sunny. Waves 1 to 2 ft. .TONIGHT...East winds 5 to 10 kt becoming southeast overnight. Mostly clear. Waves 1 to 3 ft. .THURSDAY...Southeast winds 5 to 10 kt becoming northeast in the afternoon. Sunny. Waves 1 to 2 ft. .THURSDAY NIGHT...East winds 5 to 10 kt becoming southeast overnight. Mostly clear in the evening, then becoming mostly cloudy. Waves 1 to 2 ft. $$ Yack