Last Update: 900 PM CDT Wed Jul 29 2026

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Chicago, IL Local Forecast Office

8NM ESE Chicago IL

Marine Zone Forecast

Rest Of Tonight
Northeast winds 5 to 10 kt becoming west around 5 kt late. Clear. Waves 1 to 2 ft subsiding to around 1 ft.
Thursday
West winds less than 10 kt becoming southeast around 10 kt in the afternoon. Mostly sunny. Waves around 1 ft.
Thursday Night
South winds around 10 kt becoming southwest overnight. Mostly cloudy. Waves around 1 ft.
Friday
South winds 10 to 15 kt becoming southeast in the afternoon. Chance of showers late in the morning, then showers likely and slight chance of thunderstorms in the afternoon. Waves 1 to 2 ft.



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900 PM CDT Wed Jul 29 2026
 
 

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