Last Update: 256 PM CDT Mon Jul 6 2026

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Chicago, IL Local Forecast Office

8NM ESE Chicago IL

Marine Zone Forecast

Tonight
North winds 10 to 20 kt diminishing to 5 to 10 kt overnight. Clear. Waves 2 to 4 ft subsiding to 1 to 3 ft.
Tuesday
North winds around 10 kt becoming east late. Mostly sunny. Waves 1 to 3 ft.
Tuesday Night
Southeast winds around 10 kt becoming southwest less than 10 kt overnight. Mostly clear in the evening, then becoming partly cloudy. Waves around 1 ft.
Wednesday
Southwest winds around 10 kt becoming south in the afternoon. Mostly sunny. Waves around 1 ft.



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256 PM CDT Mon Jul 6 2026
 
 

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