Last Update: 245 PM CDT Sat Oct 31 2026

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Chicago, IL Local Forecast Office

8NM ESE Chicago IL

Marine Zone Forecast

Tonight
Southeast winds 10 to 15 kt. Isolated showers in the evening, then chance of showers after midnight. Waves 1 to 3 ft.
Sunday
Southeast winds around 10 kt. A chance of sprinkles. Waves 1 to 2 ft.
Sunday Night
Southeast winds 10 to 15 kt becoming south. Mostly cloudy. Waves 1 to 3 ft.
Monday
South winds 10 to 20 kt. Slight chance of showers in the afternoon. Waves 2 to 4 ft building to 3 to 5 ft.



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245 PM CDT Sat Oct 31 2026
 
 

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