| NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743) Issued by: National Weather Service Chicago, IL Last Update: 403 PM CDT Tue Apr 7 2026 | |
Tonight: East winds 10 to 15 kt becoming southeast 15 to 20 kt. Partly cloudy in the evening, then becoming mostly cloudy. Waves 2 to 4 ft. Wednesday: South winds 20 to 25 kt. Mostly cloudy in the morning, then becoming partly cloudy. Waves 2 to 4 ft. Wednesday Night: South winds 20 to 25 kt becoming southwest. Chance of showers and slight chance of thunderstorms overnight. Waves 2 to 4 ft. Thursday: Southwest winds 10 to 20 kt becoming west in the afternoon. Chance of showers in the morning, then slight chance of showers in the afternoon. Waves 2 to 4 ft subsiding to 1 to 2 ft. | |
| Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743) | |
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