922  
WHUS51 KLWX 172356  
SMWLWX  
ANZ535-536-180100-  
/O.NEW.KLWX.MA.W.0221.250817T2356Z-250818T0100Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
756 PM EDT SUN AUG 17 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 900 PM EDT.  
 
* AT 756 PM EDT, A STRONG THUNDERSTORM WAS LOCATED OVER GUNSTON HALL,  
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...  
QUANTICO, FORT WASHINGTON, WIDEWATER, GUNSTON HALL, MASON NECK  
STATE PARK, INDIAN HEAD, OCCOQUAN BAY, FORT HUNT, LEESYLVANIA STATE  
PARK, AND SMALLWOOD STATE PARK.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
 

 
 
LAT...LON 3850 7733 3866 7724 3866 7719 3864 7720  
3864 7719 3865 7716 3870 7720 3873 7706  
3875 7706 3875 7700 3869 7700 3867 7708  
3862 7709 3851 7724 3840 7723 3840 7719  
3838 7720 3840 7732  
TIME...MOT...LOC 2356Z 282DEG 21KT 3865 7715  
 
HAIL...0.00IN  
WIND...>34KTS  
 

 
 
GEIGER  
 
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