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Chicago, IL Local Forecast Office

8NM ESE Chicago IL

Marine Zone Forecast

Tonight

Southwest winds 15 to 25 kt becoming south and diminishing to 5 to 10 kt. Chance of showers and thunderstorms. Waves 1 to 3 ft subsiding to 1 ft or less.

Tuesday

Southeast winds 5 to 10 kt increasing to 15 to 25 kt. Chance of showers and thunderstorms in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves around 1 ft building to 2 to 4 ft.

Tuesday Night

South winds to 30 kt becoming southwest overnight. Showers and thunderstorms likely in the evening, then chance of showers and thunderstorms overnight. Waves 2 to 4 ft.

Wednesday

Southwest winds 15 to 20 kt. Chance of showers in the afternoon. Waves 1 to 3 ft.