NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
 Hazardous Weather Outlook
   LMZ743-744-202115-  Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-  1020 AM CDT Sun Sep 20 2026    SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING    REST OF TODAY  Northeast winds 15 to 20 kt increasing to 30 kt.  Showers and slight chance of thunderstorms. Waves 3 to 5 ft  building to 5 to 8 ft occasionally to 10 ft.  TONIGHT  Northeast winds to 30 kt becoming east 20 to 25 kt.  Chance of showers. Waves 5 to 8 ft occasionally to 10 ft.  MONDAY  East winds 20 to 25 kt becoming northeast. Chance of  showers in the morning, then slight chance of showers in the  afternoon. Waves 5 to 8 ft occasionally to 10 ft.  MONDAY NIGHT  Northeast winds 15 to 25 kt. Slight chance of  showers overnight. Waves 5 to 8 ft occasionally to 10 ft.    $$