A Marine Weather Statement has been issued for the following areas...
Nearshore Waters from Winthrop Harbor to Wilmette Harbor... Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid Lake...
At 805 PM CDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from near McHenry to 6 nm northeast of Elgin, moving northeast at 25 knots.