Last Update: 306 AM CDT Mon Mar 9 2026

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Chicago, IL Local Forecast Office

6NM WNW Michigan City IN

Marine Zone Forecast

Today
Southwest winds to 30 kt diminishing to 15 to 25 kt in the morning. Mostly sunny. Waves 2 to 4 ft subsiding to 1 to 3 ft.
Tonight
South winds 10 to 20 kt becoming southwest 10 to 15 kt. Patchy fog overnight. Waves 1 to 2 ft.
Tuesday
West winds 10 to 15 kt becoming north in the afternoon. Patchy fog. Chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft.
Tuesday Night
Northeast winds 10 to 15 kt becoming northwest overnight. Showers with thunderstorms likely in the evening, then showers and a chance of thunderstorms overnight. Some thunderstorms may be severe in the evening. Waves 2 to 4 ft.



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306 AM CDT Mon Mar 9 2026
 
 

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