NWS Marine Forecast


   LMZ740>742-070915-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  927 PM CDT Tue Oct 6 2026    REST OF TONIGHT  Southwest winds 15 to 20 kt. Mostly clear.  Waves 1 to 3 ft.  WEDNESDAY  West winds 10 to 20 kt becoming northwest and  diminishing to around 10 kt in the afternoon. Mostly sunny. Waves  1 to 2 ft.  WEDNESDAY NIGHT  West winds 10 to 20 kt becoming northwest  overnight. Clear in the evening, then becoming partly cloudy.  Waves 1 to 3 ft.  THURSDAY  Northwest winds 10 to 15 kt. Partly cloudy in the  morning then clearing. Waves 1 to 3 ft.    $$