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Chicago, IL Local Forecast Office

8NM ESE Chicago IL

Marine Zone Forecast

Rest Of Tonight

North winds 15 to 25 kt becoming northeast and increasing to 20 to 25 kt after midnight then becoming east and diminishing to 15 to 20 kt around daybreak. Partly cloudy. Waves 3 to 6 ft occasionally to 8 ft.

Thursday

East winds 10 to 20 kt becoming northeast and increasing to 15 to 25 kt in the afternoon. Mostly cloudy. Waves 3 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft.

Thursday Night

Northeast winds 10 to 20 kt becoming east overnight. Partly cloudy in the evening, then becoming mostly cloudy. Waves 2 to 4 ft.

Friday

East winds increasing to 15 to 25 kt and becoming northeast. Chance of showers in the afternoon. Waves 2 to 4 ft building to 3 to 5 ft.