| NWS Forecast for: Northerly Island to Calumet Harbor IL (LMZ742) Issued by: National Weather Service Chicago, IL Last Update: 647 PM CDT Thu Jun 13 2024 |  |
Tonight: South to southwest winds 5 to 10 kt becoming northwest after midnight. A chance of showers and thunderstorms in the late evening and overnight. Waves around 1 ft. Friday: North winds around 10 kt increasing 15 to 20 kt in the afternoon. Sunny. Waves around 1 ft building to 1 to 3 ft. Friday Night: North winds 10 to 20 kt becoming northeast overnight. Mostly clear. Waves 2 to 4 ft. Saturday: East winds 10 to 15 kt. Partly cloudy in the morning, then becoming mostly cloudy. Waves 1 to 3 ft. | |
| Zone Forecast: Northerly Island to Calumet Harbor IL (LMZ742) | |
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