Hazardous marine condition(s):
Hazardous Weather Outlook
LMZ743>745-181515-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
406 AM CDT Tue Aug 18 2026
TODAY
Southwest winds 10 to 15 kt increasing to 15 to 20 kt.
Chance of showers and slight chance of thunderstorms in the
afternoon. Waves 1 to 2 ft.
TONIGHT
Southwest winds 10 to 15 kt becoming west overnight.
Showers likely and a chance of thunderstorms. Waves 1 to 2 ft.
WEDNESDAY
North winds around 10 kt. Mostly cloudy in the
morning, then becoming partly cloudy. Waves 1 to 2 ft.
WEDNESDAY NIGHT
Northeast winds around 10 kt becoming east.
Mostly clear in the evening, then becoming partly cloudy. Waves
1 to 2 ft.
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