Ophelia Impacting the East; Heavy Rainfall and Severe Threats for the Center of the Nation

Heavy rain, gusty winds, storm surge, high surf and rip currents that could be life threatening, will affect the Mid-Atlantic through this weekend. For the center of the nation, a cold front will focus showers and thunderstorms, some severe with excessive rainfall and flash flooding, through the weekend. Meanwhile, much cooler temperatures and a wet weather pattern enters the Pacific Northwest.

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: 242 PM CDT Sat Sep 23 2023

Tonight: Southeast winds 15 to 25 kt. Mostly clear in the evening, then becoming partly cloudy. Waves 1 to 3 ft building to 3 to 5 ft.

Sunday: Southeast winds 10 to 20 kt becoming east 10 to 15 kt in the afternoon. Isolated showers in the afternoon. Waves 2 to 4 ft subsiding to 1 to 3 ft.

Sunday Night: East winds 5 to 10 kt becoming southeast 10 to 15 kt overnight. Scattered showers. Waves 1 to 3 ft.

Monday: Southeast winds 10 to 15 kt becoming east in the afternoon. Mostly cloudy. Waves 1 to 3 ft.

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

Visit your local NWS office at: https://www.weather.gov/lot