Last Update: 255 PM CDT Sun May 17 2026

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Chicago, IL Local Forecast Office

6NM WNW Michigan City IN

Marine Zone Forecast

Late This Afternoon
South winds to 30 kt with a few 35 kt gales. Mostly cloudy. Waves 1 to 3 ft.
Tonight
South winds to 30 kt diminishing to to 15 to 25 kt. partly cloudy in the evening then clearing. Waves 1 to 3 ft.
Monday
South winds 20 to 25 kt becoming southwest. Chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Waves 2 to 4 ft. A small craft advisory may be needed.
Monday Night
South winds 15 to 25 kt. Chance of showers and thunderstorms. Waves 2 to 4 ft.
Tuesday
Southwest winds 20 to 25 kt. Slight chance of showers and thunderstorms in the morning, then showers and a chance of thunderstorms in the afternoon. Waves 2 to 4 ft.



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255 PM CDT Sun May 17 2026
 
 

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