421 WHUS51 KLWX 280809 SMWLWX ANZ535>537-281015- /O.NEW.KLWX.MA.W.0023.260328T0809Z-260328T1015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Baltimore MD/Washington DC 409 AM EDT Sat Mar 28 2026 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... Tidal Potomac from Key Bridge to Indian Head MD... * Until 615 AM EDT. * At 408 AM EDT, a front was located along a line extending from 13 nm west of Key Bridge to 14 nm northwest of Leesylvania State Park to 17 nm west of Aquia Creek, moving southeast at 35 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Measured wind gust of 35 knots at the NWS Office in Sterling. IMPACT...Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. * Locations impacted include... Potomac Creek, Breton Bay, Nanjemoy Creek, Smallwood State Park, Quantico, Tidal Basin, Reagan National Airport, Swan Point, Coltons Point, Saint George Island, Occoquan Bay, Popes Creek, Saint Clements Bay, Piney Point, Mouth Of The Potomac River, Maryland Point, Port Tobacco River, Colonial Beach, Leesylvania State Park, and Cobb Island. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 3849 7733 3866 7724 3864 7719 3873 7706 3890 7707 3890 7704 3870 7700 3851 7724 3839 7723 3846 7701 3835 7696 3827 7684 3823 7658 3814 7651 3807 7633 3791 7627 3815 7661 3821 7694 3838 7706 3833 7729 TIME...MOT...LOC 0808Z 323DEG 35KT 3893 7736 3875 7748 3850 7768 HAIL...0.00IN WIND...>34KTS $$ DHOF