698  
WHCA42 TJSJ 172126  
CFWSJU  
 
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE SAN JUAN PR  
526 PM AST SUN AUG 17 2025  
 
PRZ010-180530-  
/O.EXA.TJSJ.SU.Y.0012.000000T0000Z-250818T1000Z/  
/O.EXT.TJSJ.RP.S.0021.000000T0000Z-250818T2200Z/  
MAYAGUEZ AND VICINITY-  
526 PM AST SUN AUG 17 2025  
   
..HIGH SURF ADVISORY IN EFFECT UNTIL 6 AM AST MONDAY  
   
..HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH MONDAY AFTERNOON  
 
* WHAT...LARGE BREAKING WAVES UP TO 7-13 FEET RESULTING IN  
DANGEROUS SWIMMING CONDITIONS AND MINOR BEACH EROSION.  
 
* WHERE...THE MOST VULNERABLE AREAS FOR HIGH SURF AND BEACH  
EROSION INCLUDE BARRIO ESPINAL IN AGUADA.  
 
* WHEN...FOR THE HIGH SURF ADVISORY UNTIL 6 AM AST MONDAY. FOR  
THE HIGH RIP CURRENT RISK NOW THROUGH MONDAY AFTERNOON  
 
* IMPACTS...FOR THE HIGH SURF ADVISORY, HIGH WAVES THAT CAN WASH  
OVER JETTIES AND SWEEP PEOPLE AND PETS ONTO JAGGED ROCKS.  
ROUGH SURF MAY ALSO KNOCK YOU DOWN. LARGE BREAKING WAVES WILL  
RESULT IN LOCALIZED BEACH/DUNE STRUCTURE EROSION AND DANGEROUS  
SWIMMING CONDITIONS. FOR THE HIGH RIP CURRENT RISK, RIP  
CURRENTS 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.  
 
 
 
 
 
PRZ001-002-005-008-180530-  
/O.EXT.TJSJ.RP.S.0021.000000T0000Z-250818T2200Z/  
/O.CON.TJSJ.SU.Y.0012.000000T0000Z-250818T1000Z/  
SAN JUAN AND VICINITY-NORTHEAST-NORTH CENTRAL-NORTHWEST-  
526 PM AST SUN AUG 17 2025  
   
..HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH MONDAY AFTERNOON  
   
..HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM AST MONDAY  
 
* WHAT...LARGE BREAKING WAVES UP TO 7-10 FEET RESULTING IN  
DANGEROUS SWIMMING CONDITIONS AND MINOR BEACH EROSION.  
 
* WHERE...THE MOST VULNERABLE AREAS FOR HIGH SURF AND BEACH  
EROSION INCLUDE PINONES ALONG ROAD 187, PARCELAS SUAREZ, VILLAS  
DEL MAR, AND VILLA CHRISTIANA IN LOIZA; FORTUNA IN LUQUILLO;  
PUEBLO AND TAMARINDO IN AGUADILLA; BARRIO OBRERO, PUEBLO AND  
JAREAITO IN ARECIBO; LAS BOCA IN BARCELONETA; MACHUCA IN MANATI;  
PUERTO NUEVO IN VEGA BAJA; OCEAN PARK IN SAN JUAN.  
 
* WHEN...FOR THE HIGH RIP CURRENT RISK NOW THROUGH MONDAY  
AFTERNOON. FOR THE HIGH SURF ADVISORY REMAINS UNTIL 6 AM AST  
MONDAY  
 
* IMPACTS...FOR THE HIGH SURF ADVISORY, HIGH WAVES THAT CAN WASH  
OVER JETTIES AND SWEEP PEOPLE AND PETS ONTO JAGGED ROCKS.  
ROUGH SURF MAY ALSO KNOCK YOU DOWN. LARGE BREAKING WAVES WILL  
RESULT IN LOCALIZED BEACH/DUNE STRUCTURE EROSION AND DANGEROUS  
SWIMMING CONDITIONS. FOR THE HIGH RIP CURRENT RISK, RIP  
CURRENTS CAN SWEEP EVEN THE BEST SWIMMERS AWAY FROM SHORE INTO  
DEEPER WATER, WHERE IT BECOMES DIFFICULT TO RETURN TO SAFETY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN  
THE ADVISORY AREA, PRODUCING LOCALIZED BEACH EROSION AND  
DANGEROUS SWIMMING CONDITIONS.  
 
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.  
 
 
 
 
 
PRZ012-013-VIZ001-002-180530-  
/O.CON.TJSJ.SU.Y.0012.000000T0000Z-250818T1000Z/  
/O.CON.TJSJ.RP.S.0021.000000T0000Z-250818T1000Z/  
CULEBRA-VIEQUES-ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-  
ST CROIX-  
526 PM AST SUN AUG 17 2025  
   
..HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM AST MONDAY  
   
..HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT  
 
* WHAT...LARGE BREAKING WAVES UP TO 7-10 FEET RESULTING IN  
DANGEROUS SWIMMING CONDITIONS AND MINOR BEACH EROSION.  
 
* WHERE...HIGH SURF AND BEACH EROSION IN VULNERABLE AREAS.  
 
* WHEN...FOR THE HIGH SURF ADVISORY REMAINS UNTIL 6 AM AST  
MONDAY. FOR THE HIGH RIP CURRENT RISK REMAINS THROUGH LATE  
TONIGHT.  
 
* IMPACTS...FOR THE HIGH SURF ADVISORY, HIGH WAVES THAT CAN WASH  
OVER JETTIES AND SWEEP PEOPLE AND PETS ONTO JAGGED ROCKS.  
ROUGH SURF MAY ALSO KNOCK YOU DOWN. LARGE BREAKING WAVES WILL  
RESULT IN LOCALIZED BEACH/DUNE STRUCTURE EROSION AND DANGEROUS  
SWIMMING CONDITIONS. FOR THE HIGH RIP CURRENT RISK, RIP  
CURRENTS CAN SWEEP EVEN THE BEST SWIMMERS AWAY FROM SHORE INTO  
DEEPER WATER, WHERE IT BECOMES DIFFICULT TO RETURN TO SAFETY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN  
THE ADVISORY AREA, PRODUCING LOCALIZED BEACH EROSION AND  
DANGEROUS SWIMMING CONDITIONS.  
 
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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