For the following areas...
Nearshore Waters from Northerly Island to Calumet Harbor... Open Waters from Wilmette Harbor to Michigan City out to Mid Lake...
At 1031 PM CDT, strong thunderstorms were located along a line extending from 14 nm north of Burns Harbor to 6 nm southeast of Harrison-Dever Crib to near 59th Street Marina, moving east at 35 knots.
HAZARD...Wind gusts 34 knots or greater.
SOURCE...Radar indicated.
IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves.
Locations impacted include... Calumet Harbor, 31st Street Harbor, Burnham Harbor, Jackson Park Harbor, and 59th Street Marina.