Special Marine Warning

Special Marine Warning
ANZ535-536-170100-
/O.NEW.KLWX.MA.W.0226.260816T2332Z-260817T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Baltimore MD/Washington DC
732 PM EDT Sun Aug 16 2026

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 900 PM EDT.

* At 732 PM EDT, strong thunderstorms were located along a line
  extending from 26 nm northwest of Tidal Basin to 21 nm west of Key
  Bridge to 21 nm west of Alexandria to 22 nm northwest of Mason Neck
  State Park, moving east at 35 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, Tidal Basin, Reagan National Airport, Gunston
  Hall, Mason Neck State Park, Woodrow Wilson Bridge, Indian Head,
  Key Bridge, Occoquan Bay, Fort Hunt, National Harbor, and
  Alexandria.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor immediately as gusty winds and high waves are
expected.

Frequent lightning is occurring with these storms. If caught on the
open water stay below deck if possible, keep away from ungrounded
metal objects.

&&

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 3857 7716 3862 7727
TIME...MOT...LOC 2332Z 286DEG 33KT 3912 7751 3904 7750 3891 7753 3883
7761

HAIL...0.00IN
WIND...>34KTS

$$

CJL