Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
872 FZUS53 KLOT 202028 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 328 PM CDT Fri Sep 20 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>742-210315- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 328 PM CDT Fri Sep 20 2024 .TONIGHT...East winds 5 to 10 kt becoming northwest overnight. Mostly clear. Waves 1 to 2 ft. .SATURDAY...Southeast winds 5 to 10 kt. Mostly sunny. Waves around 1 ft. .SATURDAY NIGHT...Southeast winds 5 to 10 kt becoming southwest overnight. Chance of showers and slight chance of thunderstorms in the evening, then chance of showers and thunderstorms overnight. Waves 1 to 2 ft. .SUNDAY...West winds 5 to 10 kt becoming northwest 10 to 15 kt in the afternoon. Showers and a chance of thunderstorms. Waves around 1 ft building to 1 to 3 ft. $$ LMZ743>745-210315- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 328 PM CDT Fri Sep 20 2024 .TONIGHT...East winds 5 to 10 kt becoming west overnight. Mostly clear. Waves 1 to 2 ft. .SATURDAY...Southeast winds 5 to 10 kt becoming east in the afternoon. Mostly sunny. Waves around 1 ft. .SATURDAY NIGHT...Southeast winds 5 to 10 kt becoming south overnight. Slight chance of showers and thunderstorms in the evening, then chance of showers and slight chance of thunderstorms overnight. Waves around 1 ft. .SUNDAY...Southwest winds 5 to 10 kt becoming west 10 to 15 kt in the afternoon. Showers and a chance of thunderstorms. Waves 1 to 2 ft. $$ Yack