Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
397 FZUS53 KLOT 181941 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 241 PM 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>742-190315- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 241 PM CDT Wed Sep 18 2024 .TONIGHT...East winds 5 to 10 kt becoming south 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 10 to 15 kt becoming south overnight. Slight chance of showers overnight. Waves 1 to 3 ft. .FRIDAY...South winds 10 to 15 kt diminishing to 5 to 10 kt. Chance of showers and slight chance of thunderstorms. Waves 1 to 3 ft. $$ LMZ743>745-190315- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 241 PM CDT Wed Sep 18 2024 .TONIGHT...East winds 5 to 10 kt becoming southeast overnight. Mostly clear. Waves 1 to 2 ft. .THURSDAY...South winds 5 to 10 kt becoming northeast in the afternoon. Sunny. Waves 1 to 2 ft. .THURSDAY NIGHT...East winds 10 to 15 kt becoming south overnight. Mostly clear in the evening, then becoming partly cloudy. Waves 1 to 2 ft. .FRIDAY...South winds 10 to 15 kt becoming southwest 5 to 10 kt in the afternoon. Chance of showers and slight chance of thunderstorms. Waves 1 to 2 ft. $$ Yack