600  
WHCA52 TJSJ 152312  
SMWSJU  
AMZ711-712-152345-  
/O.NEW.TJSJ.MA.W.0010.260415T2312Z-260415T2345Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE SAN JUAN PR  
712 PM AST WED APR 15 2026  
 
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 745 PM AST.  
 
* AT 710 PM AST, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING  
WATERSPOUTS WAS LOCATED OVER ATLANTIC COASTAL AND OFFSHORE WATERS,  
MOVING NORTHWEST AT 15 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...  
 
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 THIS STORM. IF CAUGHT ON THE  
OPEN WATER STAY BELOW DECK IF POSSIBLE, KEEP AWAY FROM UNGROUNDED  
METAL OBJECTS.  
 

 
 
LAT...LON 1848 6610 1857 6671 1938 6715 1944 6615  
TIME...MOT...LOC 2310Z 140DEG 26KT 1907 6663  
 
WATERSPOUT...POSSIBLE  
HAIL...0.00IN  
WIND...>34KTS  
 

 
 
MNG  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab PR Page Main Text Page