161  
WHCA52 TJSJ 040024  
SMWSJU  
AMZ711-712-040230-  
/O.NEW.TJSJ.MA.W.0009.250504T0024Z-250504T0230Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE SAN JUAN PR  
824 PM AST SAT MAY 3 2025  
 
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N...  
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM...  
 
* UNTIL 1030 PM AST.  
 
* AT 823 PM AST, SEVERE THUNDERSTORMS CAPABLE OF PRODUCING  
WATERSPOUTS WERE LOCATED ALONG A LINE EXTENDING FROM JUST OFFSHORE  
VEGA BAJA THROUGH BARCELONETA, MOVING NORTH AT 5 KNOTS.  
 
HAZARD...WATERSPOUTS AND WIND GUSTS 34 KNOTS OR GREATER.  
 
SOURCE...RADAR.  
 
IMPACT...WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE LOCALLY  
HAZARDOUS SEAS. SMALL CRAFT COULD BE DAMAGED IN BRIEFLY  
HIGHER WINDS AND SUDDENLY HIGHER WAVES.  
 
* SEVERE THUNDERSTORMS WILL REMAIN OVER MAINLY OPEN WATERS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
 
THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY  
OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR  
IMMEDIATELY.  
 
FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. IF CAUGHT ON THE  
OPEN WATER STAY BELOW DECK IF POSSIBLE, KEEP AWAY FROM UNGROUNDED  
METAL OBJECTS.  
 

 
 
LAT...LON 1868 6609 1847 6619 1848 6626 1847 6631  
1849 6637 1849 6643 1847 6645 1850 6662  
1848 6670 1847 6671 1848 6675 1883 6667  
TIME...MOT...LOC 0023Z 191DEG 6KT 1857 6654 1851 6636  
 
WATERSPOUT...POSSIBLE  
HAIL...0.00IN  
WIND...>34KTS  
 

 
 
CVB  
 
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