Last Update: 254 AM CST Sat Nov 29 2025

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Chicago, IL Local Forecast Office

7NM NNW Gary IN

Marine Zone Forecast

Today
South winds 10 to 20 kt becoming southeast and increasing to 30 kt. Snow. Waves 1 to 2 ft building to 3 to 5 ft.
Tonight
Southeast winds to 30 kt becoming southwest after midnight, then becoming west by daybreak. Snow and slight chance of rain in the evening, then rain and snow overnight. Waves building to 4 to 7 ft occasionally to 9 ft.
Sunday
West winds to 30 kt becoming northwest. Occasional gale gusts to 35 kt. Snow. Waves 8 to 11 ft occasionally to 14 ft.
Sunday Night
Northwest winds to 30 kt diminishing to 10 to 20 kt. Slight chance of snow in the evening. Waves 7 to 10 ft occasionally to 13 ft subsiding to 5 to 8 ft occasionally to 10 ft.



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254 AM CST Sat Nov 29 2025
 
 

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