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 715 PM EDT.

* At 547 PM EDT, strong thunderstorms were located along a line extending from 14 nm north of Tidal Basin to 10 nm northwest of Key Bridge to 20 nm northwest of Alexandria, moving southeast at 15 knots. This will include an abrupt wind shift to northwest upon passage of this line of storms.

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... Tidal Basin, Fort Washington, Reagan National Airport, Gunston Hall, Woodrow Wilson Bridge, Key Bridge, Fort Hunt, National Harbor, and Alexandria.