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Chicago, IL Local Forecast Office

7NM NNW Gary IN

Marine Zone Forecast

Rest Of Tonight

South winds to 30 kt becoming southwest and increasing to 40 kt gales by midnight, then increasing to 50 kt storms late. Showers likely after midnight. Waves 2 to 4 ft building to 5 to 8 ft occasionally to 10 ft.

Friday

West storm force winds to 50 kt easing to 40 kt gales late. Slight chance of showers in the morning. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to 9 ft.

Friday Night

Northwest gales to 35 kt diminishing to 10 to 15 kt overnight. Partly cloudy in the evening, then becoming mostly cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft.

Saturday

Northeast winds 10 to 15 kt becoming east in the afternoon. Slight chance of snow showers. Waves 2 to 4 ft.