206  
WHUS51 KLWX 041959  
SMWLWX  
ANZ535-536-042100-  
/O.NEW.KLWX.MA.W.0271.260904T1959Z-260904T2100Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
359 PM EDT FRI SEP 4 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 500 PM EDT.  
 
* AT 359 PM EDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 26 NM WEST OF KEY BRIDGE TO 21 NM NORTHWEST OF  
QUANTICO, 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...  
LEESYLVANIA STATE PARK, NATIONAL HARBOR, SMALLWOOD STATE PARK,  
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.  
 

 
 
LAT...LON 3849 7733 3866 7724 3866 7719 3864 7720  
3865 7716 3870 7721 3873 7706 3890 7708  
3891 7705 3885 7700 3870 7700 3867 7708  
3862 7709 3851 7724 3846 7724  
TIME...MOT...LOC 1959Z 291DEG 34KT 3897 7762 3868 7770  
 
HAIL...0.00IN  
WIND...>34KTS  
 

 
 
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