Last Update: 259 PM CST Tue Dec 2 2025

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Chicago, IL Local Forecast Office

8NM NE Gary IN

Marine Zone Forecast

Tonight
Southwest winds 10 to 20 kt increasing to 20 to 25 kt overnight. Mostly cloudy. Waves 1 to 3 ft building to 3 to 5 ft late.
Wednesday
Southwest winds 20 to 25 kt becoming west 15 to 25 kt in the afternoon. Chance of snow showers in the afternoon. Waves 3 to 6 ft occasionally to 8 ft.
Wednesday Night
Northwest winds 20 to 25 kt increasing to 30 kt. Chance of snow showers in the evening. Waves building to 7 to 10 ft occasionally to 13 ft.
Thursday
Northwest winds 20 to 25 kt becoming west around 10 kt in the afternoon. Mostly cloudy in the morning, then becoming partly cloudy. Waves 6 to 9 ft occasionally to 12 ft subsiding to 2 to 4 ft late.



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259 PM CST Tue Dec 2 2025
 
 

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