| NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743) Issued by: National Weather Service Chicago, IL Last Update: 301 AM CDT Thu Jun 25 2026 |  |
| Early This Morning: Southwest winds around 10 kt. Patchy fog. Waves around 1 ft. Today: West winds 10 to 15 kt becoming northeast in the afternoon. Mostly cloudy in the morning, then becoming partly cloudy. Waves around 1 ft. Tonight: Northeast winds around 10 kt. Mostly cloudy. Waves around 1 ft. Friday: East winds 10 to 15 kt. Chance of showers. Waves 1 to 2 ft. Friday Night: Northeast winds 10 to 15 kt. Chance of showers in the evening. Waves 1 to 3 ft. | |
| Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743) | |
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