Last Update: 315 AM CDT Thu Oct 15 2026

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Chicago, IL Local Forecast Office

6NM WNW Michigan City IN

Marine Zone Forecast

Today
East winds 15 to 20 kt becoming southeast. Scattered showers throughout the day. Waves 3 to 5 ft.
Tonight
South winds 15 to 25 kt becoming west to 30 kt with a few gale force gusts to 35 kt. Showers. Waves 1 to 2 ft building to 5 to 8 ft occasionally to 10 ft.
Friday
Northwest winds to 30 kt becoming northerly gales to 40 kt in the afternoon. Numerous showers especially in the afternoon. slight chance of waterspouts in the afternoon. Waves 8 to 11 ft occasionally to 14 ft building to 12 to 14 ft occasionally to 18 ft.
Friday Night
Northerly gales to 40 kt diminishing to 30 kt after midnight. Scattered showers ending by midnight. Waves 12 to 16 ft occasionally to 21 ft.



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315 AM CDT Thu Oct 15 2026
 
 

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