NWS Marine Forecast


   LMZ740>742-150015-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  907 AM CDT Sun Sep 14 2025    REST OF TODAY  Southeast winds around 10 kt becoming northeast  in the afternoon. Sunny. Waves 1 to 2 ft.  TONIGHT  Northeast winds 10 to 15 kt becoming southeast 5 to  10 kt overnight. Clear. Waves 1 to 3 ft.  MONDAY  Southeast winds 5 to 10 kt becoming east in the  afternoon. Sunny. Waves 1 to 3 ft.  MONDAY NIGHT  East winds 5 to 10 kt becoming southeast  overnight. Mostly clear. Waves 1 to 2 ft.    $$