Special Marine Warning issued April 16 at 7:15PM EDT until April 16 at 8:00PM EDT by NWS Detroit/Pontiac MI
Details
For the following areas...
Detroit River...
Michigan Waters of Lake Erie from Detroit River to North Cape MI...
At 714 PM EDT, severe thunderstorms capable of producing waterspouts
were located along a line extending from 11 nm west of Lake Erie
Metropark Harbor to near Monroe Harbor to Bolles Harbor Of Refuge to
Luna Pier, moving east at 35 knots.
HAZARD...Waterspouts, wind gusts to 40 knots, and small hail.
SOURCE...Radar indicated.
IMPACT...Waterspouts can easily overturn boats and create locally
hazardous seas. Small craft could be damaged in briefly
higher winds and suddenly higher waves.
severe thunderstorms will be near...
Bolles Harbor Of Refuge, Monroe Harbor, Stony Point, Woodland
Beach, Estral Beach, and Detroit Beach around 720 PM EDT.
Lake Erie Metropark Harbor and Detroit River Light around 725 PM
EDT.
Elizabeth Park Marina and Gibraltar around 730 PM EDT.
Grosse Ile around 735 PM EDT.
Other locations impacted by severe thunderstorms include Woodland
Beach, Stony Point, Estral Beach, Detroit Beach, and Gibraltar.
Recommendations
Thunderstorms can produce sudden waterspouts. Waterspouts can easily
overturn boats and create locally hazardous seas. Seek safe harbor
immediately.