991  
WHCA42 TJSJ 202035  
CFWSJU  
 
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE SAN JUAN PR  
435 PM AST WED NOV 20 2024  
 
PRZ001-002-005-008-210445-  
/O.NEW.TJSJ.SU.Y.0021.241120T2035Z-241121T2200Z/  
/O.EXT.TJSJ.RP.S.0043.000000T0000Z-241121T2200Z/  
SAN JUAN AND VICINITY-NORTHEAST-NORTH CENTRAL-NORTHWEST-  
435 PM AST WED NOV 20 2024  
   
..HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM AST THURSDAY  
 
...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH THURSDAY  
AFTERNOON...  
 
* WHAT...LIFE-THREATENING RIP CURRENTS DUE TO BREAKING WAVES  
BETWEEN 10 TO 11 FEET.  
 
* WHERE...BEACHES AND COASTAL AREAS FROM AGUADILLA TO FAJARDO.  
 
 
* WHEN...FOR THE HIGH SURF ADVISORY THROUGH 6 PM AST THURSDAY.  
FOR THE HIGH RIP CURRENT RISK THROUGH 6 PM AST THURSDAY.  
 
* IMPACTS...RIP CURRENTS THAT CAN SWEEP EVEN THE BEST SWIMMERS  
AWAY FROM SHORE INTO DEEPER WATER WHERE IT BECOMES DIFFICULT  
TO RETURN TO SAFETY. LARGE BREAKING WAVES PRODUCING DANGEROUS  
SWIMMING CONDITIONS AND MINOR BEACH EROSION.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
THERE IS A HIGH RISK OF RIP CURRENTS.  
 
RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY  
FROM SHORE, WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE  
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS, JETTIES  
AND PIERS. HEED THE ADVICE OF LIFEGUARDS, BEACH PATROL FLAGS AND  
SIGNS.  
 
IF YOU BECOME CAUGHT IN A RIP CURRENT, YELL FOR HELP. REMAIN  
CALM, DO NOT EXHAUST YOURSELF AND STAY AFLOAT WHILE WAITING FOR  
HELP. IF YOU HAVE TO SWIM OUT OF A RIP CURRENT, SWIM PARALLEL TO  
SHORE AND BACK TOWARD THE BEACH WHEN POSSIBLE. DO NOT ATTEMPT TO  
SWIM DIRECTLY AGAINST A RIP CURRENT AS YOU WILL TIRE QUICKLY.  
 
A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN  
THE ADVISORY AREA, PRODUCING LOCALIZED BEACH EROSION AND  
DANGEROUS SWIMMING CONDITIONS.  
 
 
 
 
 
PRZ010-VIZ001-210445-  
/O.EXB.TJSJ.RP.S.0043.000000T0000Z-241121T2200Z/  
MAYAGUEZ AND VICINITY-ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-  
435 PM AST WED NOV 20 2024  
   
..HIGH RIP CURRENT RISK IN EFFECT THROUGH THURSDAY AFTERNOON  
 
* WHAT...LIFE-THREATENING RIP CURRENTS DUE TO BREAKING WAVES  
BETWEEN 6 TO 8 FEET.  
 
* WHERE...BEACHES ACROSS MAYAGUEZ AND VICINITY, ST.THOMAS, ST.  
JOHN, AND ADJACENT ISLANDS  
 
* WHEN...THROUGH THURSDAY AFTERNOON.  
 
* IMPACTS...RIP CURRENTS THAT CAN SWEEP EVEN THE BEST SWIMMERS  
AWAY FROM SHORE INTO DEEPER WATER WHERE IT BECOMES DIFFICULT  
TO RETURN TO SAFETY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
THERE IS A HIGH RISK OF RIP CURRENTS.  
 
RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY  
FROM SHORE, WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE  
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS, JETTIES  
AND PIERS. HEED THE ADVICE OF LIFEGUARDS, BEACH PATROL FLAGS AND  
SIGNS.  
 
IF YOU BECOME CAUGHT IN A RIP CURRENT, YELL FOR HELP. REMAIN  
CALM, DO NOT EXHAUST YOURSELF AND STAY AFLOAT WHILE WAITING FOR  
HELP. IF YOU HAVE TO SWIM OUT OF A RIP CURRENT, SWIM PARALLEL TO  
SHORE AND BACK TOWARD THE BEACH WHEN POSSIBLE. DO NOT ATTEMPT TO  
SWIM DIRECTLY AGAINST A RIP CURRENT AS YOU WILL TIRE QUICKLY.  
 
 
 
 
 
PRZ012-210445-  
/O.EXT.TJSJ.RP.S.0043.000000T0000Z-241121T2200Z/  
CULEBRA-  
435 PM AST WED NOV 20 2024  
 
...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH THURSDAY  
AFTERNOON...  
 
* WHAT...LIFE-THREATENING RIP CURRENTS DUE TO BREAKING WAVES  
BETWEEN 6 TO 8 FEET.  
 
* WHERE...BEACHES OF CULEBRA.  
 
* WHEN...THROUGH THURSDAY AFTERNOON.  
 
* IMPACTS...RIP CURRENTS THAT CAN SWEEP EVEN THE BEST SWIMMERS  
AWAY FROM SHORE INTO DEEPER WATER WHERE IT BECOMES DIFFICULT  
TO RETURN TO SAFETY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
THERE IS A HIGH RISK OF RIP CURRENTS.  
 
RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY  
FROM SHORE, WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE  
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS, JETTIES  
AND PIERS. HEED THE ADVICE OF LIFEGUARDS, BEACH PATROL FLAGS AND  
SIGNS.  
 
IF YOU BECOME CAUGHT IN A RIP CURRENT, YELL FOR HELP. REMAIN  
CALM, DO NOT EXHAUST YOURSELF AND STAY AFLOAT WHILE WAITING FOR  
HELP. IF YOU HAVE TO SWIM OUT OF A RIP CURRENT, SWIM PARALLEL TO  
SHORE AND BACK TOWARD THE BEACH WHEN POSSIBLE. DO NOT ATTEMPT TO  
SWIM DIRECTLY AGAINST A RIP CURRENT AS YOU WILL TIRE QUICKLY.  
 
 
 
 
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