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 815 PM EDT. * At 621 PM EDT, a gust front was located along a line extending from 17 nm west of Alexandria to 29 nm northwest of Quantico to 41 nm west of...
What the bulletin says to do
Move to safe harbor until hazardous weather passes.
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 815 PM EDT. * At 621 PM EDT, a gust front was located along a line extending from 17 nm west of Alexandria to 29 nm northwest of Quantico to 41 nm west of Aquia Creek, moving southeast at 20 knots. Behind this gust front are a line of strong thunderstorms. 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, Quantico, Swan Point, Mathias Point, U.S. 301 Nice Memorial Bridge, Occoquan Bay, Popes Creek, Brent Point, Smallwood State Park, Fairview Beach, Indian Head, and Colonial Beach.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued October 16 at 6:22PM EDT until October 16 at 8:15PM 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.
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