Special Marine Warning

For the following areas... Tidal Potomac from Cobb Island MD to Smith Point VA...

At 659 PM EDT, severe thunderstorms capable of producing waterspouts were located along a line extending from near Deep Hole to Mouth Of The Potomac River to 8 nm northwest of Irvington, moving east at 40 knots.

HAZARD...Waterspouts and wind gusts in excess of 48 knots.

SOURCE...Observed wind.

IMPACT...Boaters could easily be thrown overboard by suddenly higher wind and waves capsizing their vessel. Boats could suffer significant damage in high winds. Waterspouts can easily overturn boats and create locally hazardous seas.

Locations impacted include... Yeocomico River, Mouth Of The Potomac River, Point Lookout, Tall Timbers, Saint George Island, and Piney Point.