| NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743) Issued by: National Weather Service Chicago, IL Last Update: 357 AM CDT Sun Apr 5 2026 | |
Today: West winds 20 to 25 kt becoming northwest and diminishing to 10 to 20 kt. Mostly cloudy in the morning, then becoming partly cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. Tonight: West winds 10 to 20 kt. Chance of showers overnight. Waves 1 to 3 ft. Monday: Northwest winds 15 to 20 kt. Partly cloudy. Waves 2 to 4 ft building to 3 to 5 ft. Monday Night: North winds 20 to 25 kt. Partly cloudy in the evening, then becoming mostly cloudy. Waves 4 to 6 ft occasionally to 8 ft building to 6 to 9 ft occasionally to 12 ft. | |
| Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743) | |
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