Expires:202507180200;Remove:202507180200;627224 WHUS51 KLWX 180128 SMWLWX ANZ535-536-180200- /O.NEW.KLWX.MA.W.0170.250718T0128Z-250718T0200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Baltimore MD/Washington DC 928 PM EDT Thu Jul 17 2025 The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for... Tidal Potomac from Indian Head to Cobb Island MD... Tidal Potomac from Key Bridge to Indian Head MD... * Until 1000 PM EDT. * At 928 PM EDT, a strong thunderstorm was located over Gunston Hall, moving east at 20 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... Fort Washington, Gunston Hall, and Fort Hunt. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 3873 7706 3875 7706 3874 7700 3870 7700 3867 7708 3863 7709 3862 7710 3865 7717 3866 7716 3870 7721 TIME...MOT...LOC 0128Z 285DEG 22KT 3870 7715 HAIL...0.00IN WIND...>34KTS $$ ADS