Coastal Waters Forecast for Wilmette Harbor to Northerly Island IL (LMZ741) (Text-Only)
NWS Forecast for: Wilmette Harbor to Northerly Island IL (LMZ741)
Issued by: National Weather Service Chicago, IL
Last Update: 911 PM CST Wed Nov 12 2025




Rest Of Tonight: West winds 15 to 25 kt becoming northwest 15 to 20 kt. Partly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft.

Thursday: West winds 10 to 15 kt becoming southwest late. Mostly sunny in the morning, then becoming partly cloudy. Waves 1 to 2 ft.

Thursday Night: Southwest winds around 10 kt becoming south. Mostly cloudy in the evening then clearing. Waves around 1 ft.

Friday: South winds around 10 kt becoming southeast. Mostly sunny. Waves 1 to 2 ft.







Zone Forecast: Wilmette Harbor to Northerly Island IL (LMZ741)

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