| NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743) Issued by: National Weather Service Chicago, IL Last Update: 327 PM CST Wed Nov 12 2025 | |
Late This Afternoon: West winds to 30 kt. Sunny. Waves 4 to 6 ft occasionally to 8 ft. Tonight: West winds 20 to 25 kt becoming northwest 15 to 20 kt. Mostly clear. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft late tonight. Thursday: Northwest winds 10 to 20 kt becoming southwest and diminishing to around 10 kt late. Mostly sunny in the morning, then becoming partly cloudy. Waves 3 to 5 ft subsiding to 1 to 2 ft. Thursday Night: South winds around 10 kt. Mostly cloudy in the evening then clearing. Waves 1 to 2 ft. Friday: South winds around 10 kt. Mostly sunny. Waves around 1 ft. | |
| Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743) | |
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