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: 900 PM CST Sat Feb 14 2026


Rest Of Tonight: South winds 5 to 10 kt becoming southwest late. Mostly cloudy. Waves 1 ft or less.

Sunday: Southwest winds around 10 kt becoming north late. Partly cloudy in the morning then clearing. Waves 1 ft or less.

Sunday Night: East winds around 5 kt becoming south overnight. Partly cloudy in the evening, then becoming mostly cloudy. Waves 1 ft or less.

Monday: South winds 10 to 20 kt becoming southwest. Mostly cloudy in the morning, then becoming partly cloudy. Waves 1 ft or less.

wave heights are for ice free areas.







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

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