592  
WHUS51 KLWX 171712  
SMWLWX  
ANZ535-536-171915-  
/O.NEW.KLWX.MA.W.0332.211017T1712Z-211017T1915Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
112 PM EDT SUN OCT 17 2021  
 
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 315 PM EDT.  
 
* AT 111 PM EDT, UPSTREAM WIND GUSTS OF 35 TO 40 KNOTS WERE BEING  
OBSERVED.  
 
HAZARD...WIND GUSTS 34 KNOTS OR GREATER.  
 
SOURCE...OBSERVED WIND.  
 
IMPACT...BOATERS IN SMALL CRAFT COULD BE THROWN OVERBOARD BY  
SUDDENLY HIGHER WINDS AND WAVES CAPSIZING THEIR VESSEL.  
 
* LOCATIONS IMPACTED INCLUDE...  
LEESYLVANIA STATE PARK, NATIONAL HARBOR, 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 IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
 

 
 
LAT...LON 3867 7724 3866 7722 3866 7719 3864 7719  
3865 7716 3870 7720 3873 7706 3890 7708  
3891 7705 3885 7700 3870 7700 3867 7708  
3862 7709 3856 7717 3858 7729  
TIME...MOT...LOC 1711Z 295DEG 50KT 3918 7707 3866 7725  
 
HAIL...0.00IN  
WIND...>34KTS  
 

 
 
DHOF  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab VA Page
The Nexlab MD Page
The Nexlab WV Page Main Text Page