| NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743) Issued by: National Weather Service Chicago, IL Last Update: 241 PM CDT Sat May 2 2026 |  |
Tonight: Northeast winds 10 to 15 kt becoming south in the evening and then southwest 15 to 20 kt after midnight. Partly cloudy in the evening, then becoming mostly clear. Waves 1 to 2 ft building to 2 to 4 ft. Sunday: Southwest winds 15 to 25 kt increasing to 30 kt. Chance of showers. Waves 2 to 4 ft. Sunday Night: Southwest winds 10 to 20 kt. Partly cloudy in the evening, then becoming mostly clear. Waves 1 to 3 ft. Monday: Southwest winds 10 to 15 kt increasing to 15 to 20 kt. Mostly sunny. Waves 1 to 3 ft. | |
| Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743) | |
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