Last Update: 1003 AM CDT Mon May 18 2026

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Chicago, IL Local Forecast Office

6NM WNW Michigan City IN

Marine Zone Forecast

Rest Of Today
Southwest winds 20 to 25 kt. Showers and thunderstorms ending early in the afternoon. Waves 2 to 4 ft.
Tonight
South winds 15 to 25 kt. Slight chance of showers and thunderstorms in the evening, then chance of showers and thunderstorms overnight. Waves 2 to 4 ft.
Tuesday
Southwest winds 20 to 25 kt becoming west in the afternoon. Chance of showers and thunderstorms in the morning, then showers likely and a chance of thunderstorms in the afternoon. Waves 2 to 4 ft. A small craft advisory may be needed.
Tuesday Night
Northwest winds 15 to 20 kt becoming north overnight. Chance of showers and slight chance of thunderstorms in the evening. Waves 2 to 4 ft.



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1003 AM CDT Mon May 18 2026
 
 

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