Special Marine Warning

For the following areas... Tidal Potomac from Indian Head to Cobb Island MD... Tidal Potomac from Key Bridge to Indian Head MD...

At 410 PM EDT, a strong thunderstorm was located over Key Bridge, moving east at 15 knots.

HAZARD...Wind gusts 34 knots or greater.

SOURCE...Radar indicated.

IMPACT...Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel.

Locations impacted include... Potomac Creek, Maryland Point, Nanjemoy Creek, Port Tobacco River, Colonial Beach, Leesylvania State Park, Swan Point, Gunston Hall, Mathias Point, U.S. 301 Nice Memorial Bridge, Mason Neck State Park, Woodrow Wilson Bridge, Indian Head, Occoquan Bay, Fort Hunt, Popes Creek, Brent Point, Reagan National Airport, Quantico, and Westmoreland State Park.