Severe · Special Marine WarningThis alert has expired. It is kept for reference.
Special Marine Warning issued October 16 at 6:22PM EDT until October 16
Affecting Tidal Potomac from Indian Head to Cobb Island MD
In effect until: Oct 17, 2026, 12:15 AM
Tidal Potomac from Indian Head to Cobb Island MD
Likely impact; effects through 12:15 AM.
Move to safe harbor until hazardous weather passes.
Read the original bulletin (official text)
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.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™