NWS Marine Forecast


   LMZ740>742-160330-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  257 PM CDT Wed May 15 2024    TONIGHT  North winds 15 to 20 kt through early evening becoming  northeast 5 to 10 kt by midnight, then becoming southeast toward  sunrise. Mostly clear. Waves 2 to 4 ft subsiding to 1 to 3 ft.  THURSDAY  Southeast winds 5 to 10 kt increasing to 10 to 15 kt.  Scattered showers and thunderstorms in the afternoon. Waves 1 to  3 ft.  THURSDAY NIGHT  South winds 10 to 15 kt diminishing to 5 to  10 kt. Chance of showers and thunderstorms in the evening, then  slight chance of showers and thunderstorms overnight. Waves 1 to  2 ft.  FRIDAY  Southeast winds 5 to 10 kt becoming east in the  afternoon. Slight chance of showers and thunderstorms in the  afternoon. Waves around 1 ft building to 1 to 3 ft.    $$