| NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743) Issued by: National Weather Service Chicago, IL Last Update: 357 AM CDT Sat Mar 28 2026 | |
Today: North winds 15 to 25 kt becoming south 10 to 15 kt in the afternoon. Sunny. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. Tonight: South winds 15 to 20 kt. Partly cloudy in the evening, then becoming mostly cloudy. Waves 1 to 3 ft. Sunday: South winds 15 to 20 kt becoming southwest. Mostly cloudy. Waves 1 to 3 ft. Sunday Night: South winds 10 to 20 kt. Mostly cloudy in the evening, then becoming partly cloudy. Waves 1 to 2 ft. | |
| Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743) | |
Visit your local NWS office at: https://www.weather.gov/lot |