Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
472 FZUS53 KLOT 232023 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 323 PM CDT Thu May 23 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>742-240315- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 323 PM CDT Thu May 23 2024 .TONIGHT...East winds 10 to 15 kt becoming southeast late. Clear. Waves 1 to 2 ft. .FRIDAY...Southeast winds 10 to 20 kt. Periods of showers and thunderstorms in the afternoon. Waves 1 to 2 ft building to 2 to 4 ft. .FRIDAY NIGHT...South winds 15 to 20 kt becoming west 10 to 15 kt overnight. Periods of showers and scattered thunderstorms in the evening, then slight chance of showers overnight. Waves 2 to 4 ft subsiding to 1 to 3 ft. .SATURDAY...Northwest winds 10 to 15 kt becoming northeast in the afternoon. Mostly sunny. Waves 1 to 2 ft. $$ LMZ743>745-240315- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 323 PM CDT Thu May 23 2024 .TONIGHT...Northeast winds 10 to 15 kt becoming southeast late. Clear. Waves 1 to 2 ft. .FRIDAY...Southeast winds 10 to 20 kt becoming south. Periods of showers and thunderstorms in the afternoon. Waves 1 to 2 ft. .FRIDAY NIGHT...South winds 10 to 20 kt becoming west 10 to 15 kt overnight. Periods of showers and a chance of thunderstorms in the evening, then chance of showers and slight chance of thunderstorms overnight. Waves 1 to 2 ft. .SATURDAY...Northwest winds 10 to 15 kt becoming north 5 to 10 kt in the afternoon. Mostly sunny. Waves 1 to 3 ft. $$ Petr