For the following areas...
Open Waters from Winthrop Harbor to Michigan City out to Mid Lake...
At 1116 PM CDT, strong thunderstorms were located along a line extending from 23 nm west of St. Joseph Light to 18 nm northeast of Harrison-Dever Crib, moving east at 30 knots.
HAZARD...Wind gusts to 40 knots and small hail.
SOURCE...Radar indicated.
IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves.
Strong thunderstorms will remain over mainly open waters.