The affected areas were...
Nearshore Waters from Northerly Island to Calumet Harbor... Nearshore Waters from Calumet Harbor to Michigan City... Open Waters from Wilmette Harbor to Michigan City out to Mid Lake...
The thunderstorms have weakened and continue to make their way out of the warned area. Heavy rain and lightning will remain a threat until the storms have moved entirely out of the warned area.
A Severe Thunderstorm Watch remains in effect until 400 PM CDT for northeastern Illinois...and the adjacent waters of Lake Michigan.