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Severe Weather and Heavy Rainfall Potential for the Plains; Coastal Low Across the mid-Atlantic

An upper trough and frontal boundary will focus showers and thunderstorms across portions of the Plains through early Monday; A few severe thunderstorms along with heavy rainfall are expected. Meanwhile, low pressure off the Southeast Coast will bring inclement weather across the mid-Atlantic coast through Monday. This system is forecast to meander off the coast then track inland early this week. Read More >

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: 929 PM CDT Sun Sep 14 2025		Print

Rest Of Tonight: Southeast winds 10 to 15 kt. Clear. Waves 1 to 2 ft.

Monday: Southeast winds 10 to 15 kt becoming northeast around 10 kt in the afternoon. Sunny. Waves 1 to 2 ft.

Monday Night: Northeast winds 5 to 10 kt becoming southeast overnight. Mostly clear. Waves 1 to 2 ft.

Tuesday: East winds 5 to 10 kt becoming northeast in the afternoon. Mostly sunny. Waves around 1 ft.






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

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