Coastal Waters Forecast for Calumet Harbor IL to Gary IN (LMZ743) (Text-Only)
NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743)
Issued by: National Weather Service Chicago, IL
Last Update: 1006 AM CST Thu Jan 1 2026




Rest Of Today: West winds 10 to 15 kt. Slight chance of snow late in the morning, then chance of snow in the afternoon. Waves 3 to 5 ft subsiding to 2 to 4 ft.

Tonight: West winds 10 to 15 kt becoming northwest. Mostly cloudy in the evening then clearing. Waves 1 to 3 ft.

Friday: Northwest winds 10 to 15 kt. Partly cloudy. Waves 1 to 3 ft.

Friday Night: Northwest winds around 10 kt. Mostly cloudy. Waves 1 to 2 ft.







Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743)

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