Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
710 FZUS53 KLOT 212008 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 308 PM CDT Fri Jun 21 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>742-220315- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 308 PM CDT Fri Jun 21 2024 .TONIGHT...Southeast winds 5 to 10 kt becoming southwest late. Slight chance of showers and thunderstorms after midnight. Waves around 1 ft. .SATURDAY...Southwest winds 10 to 20 kt increasing to 15 to 25 kt. Slight chance of showers and thunderstorms. Waves 1 to 3 ft. .SATURDAY NIGHT...Southwest winds 15 to 25 kt diminishing to 15 to 20 kt. Showers with thunderstorms likely in the evening, then chance of showers and thunderstorms overnight. Waves 1 to 3 ft. .SUNDAY...Northwest winds 10 to 15 kt becoming north in the afternoon. Mostly cloudy in the morning, then becoming partly cloudy. Waves 1 to 2 ft. $$ LMZ743>745-220315- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 308 PM CDT Fri Jun 21 2024 .TONIGHT...East winds 5 to 10 kt becoming southwest late. Mostly clear in the evening, then becoming partly cloudy. Waves around 1 ft. .SATURDAY...Southwest winds 10 to 20 kt increasing to 15 to 25 kt. Mostly cloudy. Waves 1 to 3 ft. .SATURDAY NIGHT...Southwest winds 15 to 25 kt diminishing to 15 to 20 kt. Showers with thunderstorms likely in the evening, then showers likely and a chance of thunderstorms overnight. Waves 1 to 3 ft. .SUNDAY...Northwest winds 10 to 15 kt becoming north in the afternoon. Mostly cloudy in the morning, then becoming partly cloudy. Waves 1 to 3 ft. $$ KJB