NWS Marine Forecast


   LMZ740>742-122115-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  921 AM CDT Sun Jul 12 2026    REST OF TODAY  Northeast winds 5 to 10 kt increasing to 10 to  15 kt. Sunny. Waves 1 to 3 ft.  TONIGHT  Northeast winds 5 to 10 kt becoming southwest  overnight. Clear. Waves 1 to 2 ft.  MONDAY  Southwest winds 5 to 10 kt becoming southeast in the  afternoon. Sunny. Waves 1 ft or less.  MONDAY NIGHT  South winds 5 to 10 kt becoming southwest  overnight. Clear. Waves around 1 ft.    $$