Hazardous marine condition(s):
Hazardous Weather Outlook
LMZ743>745-190345-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
346 PM CDT Mon May 18 2026
TONIGHT
South winds 15 to 25 kt. Chance of showers and slight
chance of thunderstorms after midnight. Waves 2 to 4 ft.
TUESDAY
Southwest winds 15 to 25 kt. Slight chance of showers
and thunderstorms in the morning, then chance of showers and
thunderstorms in the afternoon. Waves 2 to 4 ft.
TUESDAY NIGHT
Northwest winds 15 to 20 kt becoming north.
Showers likely and a chance of thunderstorms in the evening.
Waves 2 to 4 ft.
WEDNESDAY
North winds 15 to 20 kt. Mostly cloudy in the
morning, then becoming partly cloudy. Waves 3 to 5 ft.
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