FZUS71 KLWX 230245 MWSLWX Marine Weather Statement National Weather Service Baltimore MD/Washington DC 1045 PM EDT Sat Aug 22 2026 ANZ535-536-230330- 1045 PM EDT Sat Aug 22 2026 ...STRONG THUNDERSTORMS APPROACHING THE WATERS... The areas affected include... Tidal Potomac from Indian Head to Cobb Island MD... Tidal Potomac from Key Bridge to Indian Head MD... At 1045 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 9 nm west of Alexandria to near Mason Neck State Park to near Smallwood State Park, moving east at 15 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... These strong thunderstorms will likely produce winds to around 30 knots, and could pose a serious hazard for boaters. A special marine warning may eventually be required when these strong thunderstorms reaches the nearshore waters. Boaters should consider heading for shore before these strong thunderstorms arrives. && LAT...LON 3851 7732 3866 7724 3866 7719 3864 7720 3864 7719 3865 7716 3870 7720 3873 7706 3890 7708 3891 7705 3885 7700 3870 7700 3867 7708 3862 7709 3851 7724 3846 7724 3844 7733 $$ KR