Hazardous Weather Conditions

Last Update: 240 AM CDT Wed Sep 2 2026

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Chicago, IL Local Forecast Office

8NM ESE Chicago IL

Marine Zone Forecast

Today
Southwest winds 5 to 10 kt increasing to 10 to 15 kt. Patchy fog. Partly cloudy. Waves 1 to 2 ft.
Tonight
Southwest winds 10 to 15 kt. Patchy fog. Slight chance of showers and thunderstorms. Waves 1 to 2 ft.
Thursday
Southwest winds around 10 kt becoming northeast in the afternoon. Chance of showers and thunderstorms. Waves around 1 ft.
Thursday Night
East winds around 10 kt. Chance of showers and thunderstorms. Waves around 1 ft.



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240 AM CDT Wed Sep 2 2026
 
 

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