Coastal Storm Impacting the Mid-Atlantic; Heavy to Excessive Rain in the Plains; Tropical Depression Seven in the Atlantic

A coastal storm continues to bring bands of heavy rain, gusty winds, minor coastal flooding, and rip currents over the Mid-Atlantic region today. Heavy rain showers and thunderstorms persist across the Plains today with possible excessive rainfall over western South Dakota. Tropical Depression Seven has formed in the central Atlantic and could become a tropical storm later today. Read More >

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: 909 AM CDT Wed Sep 17 2025


Rest Of Today: Northeast winds 5 to 10 kt. Mostly sunny. Waves around 1 ft.

Tonight: Northeast winds 5 to 10 kt becoming southeast. Mostly clear. Waves around 1 ft.

Thursday: South winds 5 to 10 kt becoming northeast 10 to 15 kt in the afternoon. Mostly sunny. Waves 1 to 2 ft.

Thursday Night: Northeast winds 10 to 15 kt. Mostly clear in the evening, then becoming partly cloudy. Waves 1 to 3 ft building to 2 to 4 ft.







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

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