Special Marine Warning

SMWLWX

The National Weather Service in Sterling Virginia has issued a

* Special Marine Warning for... Tidal Potomac from Indian Head to Cobb Island MD... Tidal Potomac from Key Bridge to Indian Head MD...

* Until 630 PM EDT.

* At 504 PM EDT, strong thunderstorms were located along a line extending from 6 nm northwest of Key Bridge to 10 nm west of Alexandria to 16 nm northwest of Leesylvania State Park, 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... Fort Washington, Tidal Basin, Reagan National Airport, Gunston Hall, Mason Neck State Park, Woodrow Wilson Bridge, Key Bridge, Fort Hunt, National Harbor, Indian Head, and Alexandria.