4/20/2026 11:47:00 AM until 4/20/2026 1:45:00 PM

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 145 PM EDT. * At 1147 AM EDT, gust fronts were located along a line extending from 8 nm northeast of Port Tobacco River to Nanjemoy Creek to Fairview Beach, moving southeast 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... Yeocomico River, Breton Bay, Nanjemoy Creek, Swan Point, Coltons Point, Coles Point, Saint George Island, Popes Creek, Saint Clements Bay, Piney Point, Mouth Of The Potomac River, Maryland Point, Port Tobacco River, Colonial Beach, Cobb Island, Point Lookout, Tall Timbers, Nomini Bay, Mathias Point, and U.S. 301 Nice Memorial Bridge.