Special Marine Warning for Tidal Potomac from Indian Head to Cobb Island MD
Official alert fields
What you need to know
- 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... * Until 1000 PM EDT. * At 831 PM EDT, a gust front associated with a line of strong thunderstorms was located along a line extending from 6 nm west of Mason Neck...
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... * Until 1000 PM EDT. * At 831 PM EDT, a gust front associated with a line of strong thunderstorms was located along a line extending from 6 nm west of Mason Neck State Park to 6 nm northwest of Leesylvania State Park to 10 nm northwest of Quantico, moving southeast 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, Widewater, Maryland Point, Nanjemoy Creek, Port Tobacco River, Leesylvania State Park, Smallwood State Park, Quantico, Mathias Point, U.S. 301 Nice Memorial Bridge, Popes Creek, Brent Point, and Fairview Beach.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued August 16 at 8:32PM EDT until August 16 at 10:00PM 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
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- Alert
- Last collected