Last Update: 350 AM CST Thu Mar 5 2026

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Chicago, IL Local Forecast Office

7NM NNW Gary IN

Marine Zone Forecast

Today
Northeast winds 5 to 10 kt becoming north early. widespread dense fog. Patchy drizzle early in the morning. Chance of showers and slight of thunderstorms mid morning through midday. Waves 1 to 2 ft.
Tonight
Northeast winds around 5 kt becoming southeast overnight. Widespread dense fog. Waves 1 to 2 ft.
Friday
Southeast winds 10 to 20 kt becoming south 20 to 25 kt in the afternoon. Areas of fog through early afternoon. Chance of showers and thunderstorms in the morning, then slight chance of showers in the afternoon. Waves 1 to 3 ft. A small craft advisory will likely be needed.
Friday Night
South winds 20 to 25 kt becoming southwest. Slight chance of showers and thunderstorms in the evening, then showers and a chance of thunderstorms overnight. Waves 2 to 4 ft.



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350 AM CST Thu Mar 5 2026
 
 

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