396  
WHCA52 TJSJ 131512  
SMWSJU  
AMZ711-716-723-726-733-131715-  
/O.NEW.TJSJ.MA.W.0008.260413T1512Z-260413T1715Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1112 AM AST MON APR 13 2026  
 
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
ANEGADA PASSAGE EAST OF VIRGIN GORDA AND SAINT CROIX SOUTH TO  
17N...  
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N...  
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N, INCLUDING THE  
COASTAL WATERS OF SAINT CROIX...  
COASTAL WATERS EAST OF PUERTO RICO, AROUND VIEQUES, AND AROUND AND  
JUST NORTH OF CULEBRA AND SAINT JOHN...  
COASTAL WATERS FROM CABO SAN JUAN TO THE WATERS BETWEEN ANEGADA  
ISLAND AND VIRGIN GORDA AND NORTH 10 NM...  
 
* UNTIL 115 PM AST.  
 
* AT 1111 AM AST, STRONG THUNDERSTORMS CAPABLE OF PRODUCING  
WATERSPOUTS WERE LOCATED ALONG A LINE EXTENDING FROM ,MOVING EAST  
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.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
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 1781 6465 1776 6485 1777 6487 1775 6489  
1771 6506 1799 6549 1813 6536 1811 6534  
1813 6527 1815 6533 1845 6536 1895 6475  
1836 6417  
TIME...MOT...LOC 1511Z 251DEG 13KT 1824 6490 1810 6499 1794 6480  
 
WATERSPOUT...POSSIBLE  
HAIL...0.00IN  
WIND...>34KTS  
 

 
 
ERG  
 
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