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Chicago, IL Local Forecast Office

8NM ESE Chicago IL

Marine Zone Forecast

Rest Of Tonight

Southeast winds 15 to 20 kt becoming east 20 to 25 kt. Showers and slight chance of thunderstorms late in the evening, then showers and a chance of thunderstorms after midnight. Waves 1 to 3 ft building to 4 to 7 ft occasionally to 9 ft.

Saturday

East winds to 30 kt becoming northeast in the afternoon. Showers and a chance of thunderstorms. Waves 5 to 8 ft occasionally to 10 ft building to 7 to 10 ft occasionally to 13 ft.

Saturday Night

Northeast winds to 30 kt becoming north. Showers likely and slight chance of thunderstorms in the evening, then chance of showers overnight. Waves 7 to 10 ft occasionally to 13 ft subsiding to 6 to 9 ft occasionally to 12 ft.

Sunday

North winds 20 to 25 kt increasing to 30 kt. Slight chance of showers in the morning. Waves 6 to 9 ft occasionally to 12 ft.