Expires:202504041015;Remove:202504041015;730946 WHUS51 KLWX 040914 SMWLWX ANZ535-536-041015- /O.NEW.KLWX.MA.W.0024.250404T0914Z-250404T1015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Baltimore MD/Washington DC 514 AM EDT Fri Apr 4 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 615 AM EDT. * At 512 AM EDT, strong thunderstorms were located along a line extending from 37 nm northwest of Tidal Basin to 32 nm west of Key Bridge to 40 nm northwest of Leesylvania State Park, moving east at 60 knots. HAZARD...Wind gusts 34 knots or greater and small hail. 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, Tidal Basin, Reagan National Airport, Gunston Hall, Mason Neck State Park, Woodrow Wilson Bridge, Key Bridge, Fort Hunt, National Harbor, Indian Head, and Alexandria. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 3867 7724 3866 7722 3866 7719 3864 7720 3865 7716 3870 7720 3873 7706 3890 7708 3891 7705 3885 7700 3870 7700 3867 7708 3862 7709 3860 7713 3862 7726 TIME...MOT...LOC 0912Z 259DEG 59KT 3925 7768 3908 7772 3886 7804 HAIL...<.75IN WIND...>34KTS $$ AVS