Severe · Special Marine WarningThis alert has expired. It is kept for reference.
Special Marine Warning issued October 16 at 9:11PM EDT until October 16
Affecting Tidal Potomac from Indian Head to Cobb Island MD; Tidal Potomac from Cobb Island MD to Smith Point VA
In effect until: Oct 17, 2026, 2:15 AM
Tidal Potomac from Indian Head to Cobb Island MD; Tidal Potomac from Cobb Island MD to Smith Point VA
Likely impact; effects through 2:15 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 Cobb Island MD to Smith Point VA... Tidal Potomac from Indian Head to Cobb Island MD... * Until 1015 PM EDT. * At 911 PM EDT, strong thunderstorms were located along a line extending from near Quantico to 8 nm southwest of Potomac Creek to 24 nm southwest of Fairview Beach, moving east at 40 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... Breton Bay, Potomac Creek, Saint Clements Bay, Westmoreland State Park, Maryland Point, Nanjemoy Creek, Port Tobacco River, Quantico, Cobb Island, Swan Point, Coltons Point, Nomini Bay, Mathias Point, U.S. 301 Nice Memorial Bridge, Wicomico River, White Point Beach, Popes Creek, Brent Point, Fairview Beach, and Colonial Beach.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™