Special Marine Warning for Tidal Potomac from Key Bridge to Indian Head MD; Tidal Potomac from Indian Head to Cobb Island MD
Official alert fields
What you need to know
- Applies to
- Tidal Potomac from Indian Head to Cobb Island MD, Tidal Potomac from Key Bridge to Indian Head MD
- Effective
- Ends or expires
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
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 315 PM EDT. * At 114 PM EDT, strong thunderstorms were located along a line extending from near Fort...
What the bulletin says to do
Move to safe harbor immediately as gusty winds and high waves are expected.
Full official description
Bulletin details
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 315 PM EDT. * At 114 PM EDT, strong thunderstorms were located along a line extending from near Fort Smallwood State Park to 16 nm north of Key Bridge to 24 nm northwest of Tidal Basin to 31 nm northwest of Reagan National Airport, moving south at 25 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, National Harbor, Quantico, Tidal Basin, Reagan National Airport, 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, and Popes Creek.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued September 2 at 1:15PM EDT until September 2 at 3:15PM EDT by NWS Baltimore MD/Washington DC
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Baltimore MD/Washington DC. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected