Special Marine Warning
Issued by NWS Sterling, VA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
284
WHUS51 KLWX 011821
SMWLWX
ANZ535-536-011945-
/O.NEW.KLWX.MA.W.0118.250701T1821Z-250701T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Baltimore MD/Washington DC
221 PM EDT Tue Jul 1 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 345 PM EDT.

* At 220 PM EDT, strong thunderstorms were located along a line
  extending from 16 nm northwest of Key Bridge to 12 nm northwest of
  Leesylvania State Park to 18 nm west of Aquia Creek, 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...
  Widewater, Leesylvania State Park, Smallwood State Park, National
  Harbor, Quantico, Fort Washington, Tidal Basin, Reagan National
  Airport, Gunston Hall, Mason Neck State Park, Woodrow Wilson
  Bridge, Indian Head, Key Bridge, Occoquan Bay, Fort Hunt, and
  Alexandria.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor until hazardous weather passes.

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 3850 7733 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 3845 7724
      3844 7733
TIME...MOT...LOC 1820Z 262DEG 20KT 3902 7739 3872 7747 3850 7769

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

$$

BJL