| NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743) Issued by: National Weather Service Chicago, IL Last Update: 256 AM CDT Wed Apr 29 2026 | |
| Today: North winds 10 to 15 kt. A few showers. Waves 1 to 3 ft. Tonight: North winds 10 to 15 kt becoming northwest overnight. Mostly clear. Waves 1 to 3 ft. Thursday: Northwest winds 10 to 15 kt becoming north in the afternoon. Partly cloudy. Waves 1 to 2 ft. Thursday Night: Northeast winds around 10 kt becoming north overnight. Partly cloudy. Waves around 1 ft. | |
| Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743) | |
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