NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
 Hazardous Weather Outlook
   LMZ740>743-251030-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  Calumet Harbor IL to Gary IN-  956 PM CST Tue Feb 24 2026    SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING    REST OF TONIGHT  West winds 20 to 25 kt becoming northwest late.  Occasional gusts to 30 kt. Partly cloudy late in the evening then  clearing. Waves 2 to 4 ft.  WEDNESDAY  Northwest winds 20 to 25 kt diminishing to 15 to 20  kt. Mostly sunny. Waves 2 to 4 ft subsiding to 1 to 3 ft.  WEDNESDAY NIGHT  Northwest winds 10 to 15 kt. Partly cloudy.  Waves 1 to 2 ft.  THURSDAY  Southwest winds around 10 kt becoming south in the  afternoon. Partly cloudy. Waves 1 to 2 ft.    $$