Last Update: 351 AM CDT Mon Sep 7 2026

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Chicago, IL Local Forecast Office

8NM ESE Chicago IL

Marine Zone Forecast

Today
East winds 10 to 15 kt. Mostly sunny. Waves 1 to 3 ft.
Tonight
East winds 10 to 15 kt becoming southeast overnight. Partly cloudy. Waves 1 to 3 ft building to 2 to 4 ft.
Tuesday
South winds 10 to 15 kt. Mostly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft.
Tuesday Night
South winds 10 to 15 kt becoming southwest. Chance of showers and slight chance of thunderstorms overnight. Waves 1 to 2 ft.



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351 AM CDT Mon Sep 7 2026
 
 

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