178  
WHUS51 KLWX 142126  
SMWLWX  
ANZ535-536-142300-  
/O.NEW.KLWX.MA.W.0154.250714T2126Z-250714T2300Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
526 PM EDT MON JUL 14 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 700 PM EDT.  
 
* AT 526 PM EDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 15 NM NORTH OF TIDAL BASIN TO 7 NM WEST OF KEY  
BRIDGE TO 12 NM NORTHWEST OF MASON NECK STATE PARK, MOVING  
SOUTHEAST AT 15 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, 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.  
 

 
 
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 3847 7724  
3847 7733  
TIME...MOT...LOC 2126Z 306DEG 14KT 3914 7710 3892 7723 3881 7738  
 
HAIL...0.00IN  
WIND...>34KTS  
 

 
 
BJL  
 
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