816  
WHCA52 TJSJ 181120  
SMWSJU  
AMZ732-181200-  
/O.NEW.TJSJ.MA.W.0090.171018T1120Z-171018T1200Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE SAN JUAN PR  
720 AM AST WED OCT 18 2017  
 
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N...  
 
* UNTIL 800 AM AST  
 
* AT 719 AM AST...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM SOUTHWEST OF SAINT CROIX AND CONTINUING TO THE  
SOUTHWEST FOR 65 MILES...MOVING WEST AT 15 KNOTS.  
 
HAZARD...WIND GUSTS 34 KNOTS OR GREATER.  
 
SOURCE...SATELLITE IMAGERY INDICATED.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
* STRONG THUNDERSTORMS WILL REMAIN OVER MAINLY OPEN WATERS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.  
 

 
 
LAT...LON 1723 6646 1788 6560 1757 6509 1701 6591  
1700 6611  
TIME...MOT...LOC 1119Z 108DEG 17KT 1765 6530 1718 6614  
 
HAIL...0.00IN  
WIND...>34KTS  
 

 
 
HERNANDEZ  
 
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