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 900 PM EDT.

* At 732 PM EDT, strong thunderstorms were located along a line extending from 26 nm northwest of Tidal Basin to 21 nm west of Key Bridge to 21 nm west of Alexandria to 22 nm northwest of Mason Neck State Park, moving east at 35 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, Indian Head, Key Bridge, Occoquan Bay, Fort Hunt, National Harbor, and Alexandria.