Last Update: 905 PM CDT Tue Mar 31 2026

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Chicago, IL Local Forecast Office

8NM ESE Chicago IL

Marine Zone Forecast

Rest Of Tonight
North winds 20 to 25 kt. Mostly cloudy. Waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft.
Wednesday
Northeast winds 20 to 25 kt. Slight chance of showers in the morning, then chance of showers in the afternoon. waves 4 to 7 ft occasionally to 9 ft.
Wednesday Night
East winds 20 to 25 kt becoming southeast overnight. Rain showers and slight chance of thunderstorms in the evening, then showers and a chance of thunderstorms overnight. Waves 4 to 7 ft occasionally to 9 ft.
Thursday
Southeast winds 20 to 25 kt becoming south to 30 kt in the afternoon. Chance of showers and thunderstorms. Waves 4 to 6 ft occasionally to 8 ft.



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905 PM CDT Tue Mar 31 2026
 
 

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