Last Update: 327 AM CDT Sat Oct 3 2026

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Chicago, IL Local Forecast Office

8NM ESE Chicago IL

Marine Zone Forecast

Early This Morning
East winds 10 to 15 kt. Clear. Waves 2 to 4 ft.
Today
East winds 10 to 15 kt becoming southeast by late morning. Mostly sunny. Waves 2 to 4 ft subsiding to 1 to 3 ft.
Tonight
Southeast winds 10 to 15 kt becoming southwest late. Slight chance of showers after midnight. Waves 1 to 3 ft.
Sunday
West winds 10 to 15 kt becoming northwest in the afternoon. Mostly sunny in the morning, then becoming partly cloudy. Waves 1 to 2 ft.
Sunday Night
Northwest winds around 15 kt. Partly cloudy in the evening then clearing. Waves 1 to 3 ft building to 2 to 4 ft.



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327 AM CDT Sat Oct 3 2026
 
 

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