Last Update: 225 PM CDT Mon May 4 2026

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Chicago, IL Local Forecast Office

8NM ESE Chicago IL

Marine Zone Forecast

Late This Afternoon
Southwest winds to 30 kt. Partly cloudy. Waves 2 to 4 ft.
Tonight
Southwest winds 15 to 25 kt becoming northwest 10 to 15 kt. Scattered gusty thunderstorms. Waves 1 to 3 ft.
Tuesday
Northwest winds 10 to 15 kt becoming east. Slight chance of showers in the morning. Waves 1 to 2 ft.
Tuesday Night
Southeast winds around 10 kt becoming northwest overnight. Mostly cloudy. Waves 1 to 2 ft.
Wednesday
North winds around 10 kt becoming northeast in the afternoon. Mostly cloudy. Waves 1 to 2 ft.



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225 PM CDT Mon May 4 2026
 
 

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