Last Update: 242 AM CST Sun Jan 11 2026

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Chicago, IL Local Forecast Office

20NM NNE Gary IN

Marine Zone Forecast

Today
Northwest gales to 35 kt becoming west 10 to 20 kt. Chance of snow this morning. Waves 10 to 14 ft occasionally to 18 ft subsiding to 6 to 9 ft occasionally to 12 ft.
Tonight
West winds 15 to 25 kt becoming southwest to 30 kt. Waves 4 to 7 ft occasionally to 9 ft building to 6 to 9 ft occasionally to 12 ft.
Monday
West winds to 30 kt diminishing to 10 to 20 kt. Waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 6 ft occasionally to 8 ft.
Monday Night
Southwest winds 10 to 20 kt increasing to 15 to 25 kt. Waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft.
Tuesday
Southwest winds to 30 kt. Chance of rain. Waves 7 to 10 ft occasionally to 13 ft.
Tuesday Night
West winds 15 to 25 kt becoming northwest to 30 kt. Chance of rain and snow. Waves 6 to 9 ft occasionally to 12 ft.
Wednesday
Northwest gales to 40 kt becoming north gales to 45 kt. Snow likely. Waves 12 to 16 ft occasionally to 21 ft.
Thursday
North winds 10 to 20 kt becoming northwest. Waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to 6 ft occasionally to 8 ft.



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242 AM CST Sun Jan 11 2026
 
 

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