Alert archive / Puerto Rico / High Surf Advisories in 2017

High Surf Advisory 11, NWS JSJ

April 17, 2017

NWS JSJ issued this high surf advisory at Apr 17, 2017, 3:14 PM CDT. It was in force for 61 hr.

The area

The counties it named.

The facts

Issued
Apr 17, 2017, 3:14 PM CDT (20:14 UTC)
Expired
Apr 20, 2017, 4:10 AM CDT
In force
61 hr
Issued by
NWS JSJ

The text

As transmitted.

182 
WHCA42 TJSJ 172014
CFWSJU

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
414 PM AST MON APR 17 2017

PRZ001-002-005-008-010-012-VIZ001-181000-
/O.NEW.TJSJ.SU.Y.0011.170417T2014Z-170419T2200Z/
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170419T2200Z/
SAN JUAN AND VICINITY-NORTHEAST-NORTH CENTRAL-NORTHWEST-
MAYAGUEZ AND VICINITY-CULEBRA-
ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-
414 PM AST MON APR 17 2017

...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM AST WEDNESDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH WEDNESDAY
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A HIGH SURF
ADVISORY, WHICH IS IN EFFECT UNTIL 6 PM AST WEDNESDAY. 

* WAVES AND SURF...SEAS UP TO 8 FEET AND BREAKING WAVE BETWEEN 9
  TO 13 FEET. 

* LOCATION... NORTHWEST TO NORTHEAST BEACHES OF PUERTO RICO,
  CULEBRA, AND THE U.S. VIRGIN ISLANDS.  

* TIMING...THROUGH AT LEAST WEDNESDAY AFTERNOON.

* IMPACTS...BREAKING WAVE BETWEEN 9 TO 13 FEET AND STRONG 
  CURRENTS THAT CAN CARRY EVEN THE BEST OF SWIMMERS OUT TO SEA. 

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.

&&

$$

VIZ002-181000-
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170419T2200Z/
ST CROIX-
414 PM AST MON APR 17 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH WEDNESDAY
AFTERNOON...

* LOCATION...NORTHERN BEACHES OF SAINT CROIX. 

* TIMING...THROUGH AT LEAST WEDNESDAY AFTERNOON.

* IMPACTS...STRONG CURRENTS THAT CAN CARRY EVEN THE BEST OF 
  SWIMMERS OUT TO SEA. 

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.

&&

$$
9 follow-up statements
262 
WHCA42 TJSJ 180338 AAA
CFWSJU

COASTAL HAZARD MESSAGE...UPDATED
NATIONAL WEATHER SERVICE SAN JUAN PR
1138 PM AST MON APR 17 2017

NORTH NORTHEAST SWELL ARE RISING AND NOW ALL ISLANDS ARE BEING
AFFECTED BY RIP CURRENTS.

PRZ001-002-005-008-010-012-VIZ001-181145-
/O.CON.TJSJ.SU.Y.0011.000000T0000Z-170419T2200Z/
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170419T2200Z/
SAN JUAN AND VICINITY-NORTHEAST-NORTH CENTRAL-NORTHWEST-
MAYAGUEZ AND VICINITY-CULEBRA-
ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-
1138 PM AST MON APR 17 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST
WEDNESDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH WEDNESDAY
AFTERNOON...

* WAVES AND SURF...SEAS UP TO 8 FEET AND BREAKING WAVE BETWEEN 9 
  TO 13 FEET. 

* LOCATION... NORTHWEST TO NORTHEAST BEACHES OF PUERTO RICO, 
  CULEBRA, AND THE U.S. VIRGIN ISLANDS. 

* TIMING...THROUGH AT LEAST WEDNESDAY AFTERNOON.

* IMPACTS...BREAKING WAVE BETWEEN 9 TO 13 FEET AND STRONG 
  CURRENTS THAT CAN CARRY EVEN THE BEST OF SWIMMERS OUT TO SEA. 

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.

&&

$$

PRZ013-181145-
/O.EXA.TJSJ.RP.S.0029.000000T0000Z-170419T2200Z/
VIEQUES-
1138 PM AST MON APR 17 2017

...HIGH RIP CURRENT RISK IN EFFECT THROUGH WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A HIGH RIP
CURRENT RISK, WHICH IS IN EFFECT THROUGH WEDNESDAY AFTERNOON. 

* WAVES AND SURF...SEAS UP TO 8 FEET AND BREAKING WAVE BETWEEN 9 
  TO 13 FEET. 

* LOCATION... NORTHERN AND EASTERN BEACHES OF VIEQUES.

* TIMING...THROUGH AT LEAST WEDNESDAY AFTERNOON.

* IMPACTS...STRONG CURRENTS THAT CAN CARRY EVEN THE BEST OF 
  SWIMMERS OUT TO SEA. 

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.

&&

$$

VIZ002-181145-
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170419T2200Z/
ST CROIX-
1138 PM AST MON APR 17 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH WEDNESDAY
AFTERNOON...

* LOCATION...NORTHERN BEACHES AND EASTERN THIRD OF OF SAINT 
  CROIX.

* TIMING...THROUGH AT LEAST WEDNESDAY AFTERNOON.

* IMPACTS...STRONG CURRENTS THAT CAN CARRY EVEN THE BEST OF 
  SWIMMERS OUT TO SEA. 

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.

&&

$$

SNELL
845 
WHCA42 TJSJ 180858
CFWSJU

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
458 AM AST TUE APR 18 2017

NORTH NORTHEAST SWELL ARE RISING WITH ALL ISLANDS BEING AFFECTED 
BY RIP CURRENTS. HIGH SURF IS ALSO AFFECTING MOST OF THE ISLANDS 
EXCEPT VIEQUES.

VIZ002-181800-
/O.EXA.TJSJ.SU.Y.0011.000000T0000Z-170419T2200Z/
/O.EXT.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
ST CROIX-
458 AM AST TUE APR 18 2017

...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM AST WEDNESDAY...
...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE WEDNESDAY
NIGHT...

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A HIGH SURF
ADVISORY, WHICH IS IN EFFECT UNTIL 6 PM AST WEDNESDAY. 

* LOCATION...NORTHERN BEACHES AND EASTERN THIRD OF OF SAINT 
  CROIX. 

* TIMING...THROUGH AT LEAST WEDNESDAY AFTERNOON FOR HIGH SURF AND
  EARLY THURSDAY MORNING FOR RIP CURRENT RISK.

* IMPACTS...LARGE BREAKING WAVES THAT WILL SWEEP OVER ROCKS AND
  JETTIES AND CAUSE MINOR BEACH EROSION. STRONG CURRENTS THAT CAN
  CARRY EVEN THE BEST OF SWIMMERS OUT TO SEA. 

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
LARGE WAVES THAT CAN SWEEP PEOPLE AND PETS OFF OF ROCKS AND
JETTIES AND INTO THE OCEAN.

&&

$$

PRZ001-002-005-008-181800-
/O.EXT.TJSJ.SU.Y.0011.000000T0000Z-170420T1000Z/
/O.EXT.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
SAN JUAN AND VICINITY-NORTHEAST-NORTH CENTRAL-NORTHWEST-
458 AM AST TUE APR 18 2017

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 AM AST THURSDAY...
...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE WEDNESDAY
NIGHT...

* WAVES AND SURF...SEAS UP TO 8 FEET AND BREAKING WAVE BETWEEN 9 
  TO 13 FEET. 

* LOCATION... NORTHWEST TO NORTHEAST BEACHES OF PUERTO RICO, 
  CULEBRA, AND THE U.S. VIRGIN ISLANDS. 

* TIMING...THROUGH AT LEAST WEDNESDAY AFTERNOON FOR HIGH SURF AND
  EARLY THURSDAY MORNING FOR RIP CURRENT RISK.

* IMPACTS...BREAKING WAVE BETWEEN 8 TO 13 FEET AND STRONG 
  CURRENTS THAT CAN CARRY EVEN THE BEST OF SWIMMERS OUT TO SEA. 

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
LARGE WAVES THAT CAN SWEEP PEOPLE AND PETS OFF OF ROCKS AND
JETTIES AND INTO THE OCEAN.

&&

$$

PRZ010-012-VIZ001-181800-
/O.EXT.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
/O.CON.TJSJ.SU.Y.0011.000000T0000Z-170419T2200Z/
MAYAGUEZ AND VICINITY-CULEBRA-
ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-
458 AM AST TUE APR 18 2017

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE WEDNESDAY
NIGHT...
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST
WEDNESDAY...

* WAVES AND SURF...SEAS UP TO 8 FEET AND BREAKING WAVE BETWEEN 9 
  TO 13 FEET. 

* LOCATION...NORTHWEST BEACHES OF PUERTO RICO, AND CULEBRA.

* TIMING...THROUGH AT LEAST WEDNESDAY AFTERNOON FOR HIGH SURF AND
  EARLY THURSDAY MORNING FOR RIP CURRENT RISK.

* IMPACTS...BREAKING WAVE BETWEEN 9 TO 13 FEET AND STRONG 
  CURRENTS THAT CAN CARRY EVEN THE BEST OF SWIMMERS OUT TO SEA. 

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 LARGE 
WAVES THAT CAN SWEEP PEOPLE AND PETS OFF OF ROCKS AND JETTIES AND 
INTO THE OCEAN.

&&

$$

PRZ013-181800-
/O.EXT.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
VIEQUES-
458 AM AST TUE APR 18 2017

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE WEDNESDAY
NIGHT...

* WAVES AND SURF...SEAS UP TO 8 FEET AND BREAKING WAVE BETWEEN 9 
  TO 13 FEET. 

* LOCATION... NORTHERN AND EASTERN BEACHES OF VIEQUES.

* TIMING...THROUGH AT LEAST WEDNESDAY AFTERNOON.

* IMPACTS...STRONG CURRENTS THAT CAN CARRY EVEN THE BEST OF 
  SWIMMERS OUT TO SEA. 

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 LARGE 
WAVES THAT CAN SWEEP PEOPLE AND PETS OFF OF ROCKS AND JETTIES AND 
INTO THE OCEAN.

&&

$$

SNELL
719 
WHCA42 TJSJ 181415
CFWSJU

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
1015 AM AST TUE APR 18 2017

LONG PERIOD NORTHERLY SWELL WILL CONTINUE TO CREATE HAZARDOUS SEAS
THROUGH AT LEAST LATE WEDNESDAY NIGHT.

PRZ001-002-005-008-190200-
/O.CON.TJSJ.SU.Y.0011.000000T0000Z-170420T1000Z/
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
SAN JUAN AND VICINITY-NORTHEAST-NORTH CENTRAL-NORTHWEST-
1015 AM AST TUE APR 18 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM AST THURSDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE WEDNESDAY
NIGHT...

* WAVES AND SURF...SEAS UP TO 8 FEET AND BREAKING WAVE BETWEEN 8
  TO 13 FEET. 

* LOCATION...NORTHWEST TO NORTHEAST BEACHES OF PUERTO RICO.

* TIMING...THROUGH AT LEAST WEDNESDAY AFTERNOON FOR HIGH SURF 
  AND EARLY THURSDAY MORNING FOR RIP CURRENT RISK. 

* IMPACTS...BREAKING WAVES BETWEEN 8 TO 13 FEET AND STRONG 
  CURRENTS THAT CAN CARRY EVEN THE BEST OF SWIMMERS OUT TO SEA. 

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 LARGE
WAVES THAT CAN SWEEP PEOPLE AND PETS OFF OF ROCKS AND JETTIES AND
INTO THE OCEAN.

&&

$$

PRZ010-012-VIZ001-002-190200-
/O.CON.TJSJ.SU.Y.0011.000000T0000Z-170419T2200Z/
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
MAYAGUEZ AND VICINITY-CULEBRA-
ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-ST CROIX-
1015 AM AST TUE APR 18 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST WEDNESDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE WEDNESDAY NIGHT...

* WAVES AND SURF...SEAS UP TO 8 FEET AND BREAKING WAVES BETWEEN 8
  TO 11 FEET. 

* LOCATION...NORTHWEST BEACHES OF PUERTO RICO, CULEBRA, AND THE
  U.S. VIRGIN ISLANDS.

* TIMING...THROUGH AT LEAST WEDNESDAY AFTERNOON FOR HIGH SURF 
  AND EARLY THURSDAY MORNING FOR RIP CURRENT RISK. 

* IMPACTS...BREAKING WAVES BETWEEN 9 TO 11 FEET AND STRONG 
  CURRENTS THAT CAN CARRY EVEN THE BEST OF SWIMMERS OUT TO SEA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND LARGE
WAVES THAT CAN SWEEP PEOPLE AND PETS OFF OF ROCKS AND JETTIES AND
INTO THE OCEAN.

&&

$$

PRZ013-190200-
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
VIEQUES-
1015 AM AST TUE APR 18 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE WEDNESDAY NIGHT...

* WAVES AND SURF...BREAKING WAVES BETWEEN 5 TO 7 FEET. 

* LOCATION... NORTHERN AND EASTERN BEACHES OF VIEQUES.

* TIMING...THROUGH AT LEAST WEDNESDAY AFTERNOON.

* IMPACTS...STRONG CURRENTS THAT CAN CARRY EVEN THE BEST OF 
  SWIMMERS OUT TO SEA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS.

&&

$$
721 
WHCA42 TJSJ 181901
CFWSJU

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
301 PM AST TUE APR 18 2017

PRZ001-002-005-008-191000-
/O.CON.TJSJ.SU.Y.0011.000000T0000Z-170420T1000Z/
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
SAN JUAN AND VICINITY-NORTHEAST-NORTH CENTRAL-NORTHWEST-
301 PM AST TUE APR 18 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM AST THURSDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE WEDNESDAY
NIGHT...

* WAVES AND SURF...SEAS UP TO 8 FEET AND BREAKING WAVE BETWEEN 8 
  TO 13 FEET. 

* LOCATION...NORTHWEST TO NORTHEAST BEACHES OF PUERTO RICO.

* TIMING...THROUGH AT LEAST WEDNESDAY AFTERNOON FOR HIGH SURF 
  AND EARLY THURSDAY MORNING FOR RIP CURRENT RISK. 

* IMPACTS...BREAKING WAVES BETWEEN 8 TO 13 FEET AND STRONG 
  CURRENTS THAT CAN CARRY EVEN THE BEST OF SWIMMERS OUT TO SEA. 

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 LARGE
WAVES THAT CAN SWEEP PEOPLE AND PETS OFF OF ROCKS AND JETTIES AND
INTO THE OCEAN.

&&

$$

PRZ010-012-VIZ001-002-191000-
/O.CON.TJSJ.SU.Y.0011.000000T0000Z-170419T2200Z/
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
MAYAGUEZ AND VICINITY-CULEBRA-
ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-ST CROIX-
301 PM AST TUE APR 18 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST
WEDNESDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE WEDNESDAY
NIGHT...

* WAVES AND SURF...SEAS UP TO 8 FEET AND BREAKING WAVES BETWEEN 
  8 TO 11 FEET. 

* LOCATION...NORTHWEST BEACHES OF PUERTO RICO, CULEBRA, AND THE 
  U.S. VIRGIN ISLANDS. 

* TIMING...THROUGH AT LEAST WEDNESDAY AFTERNOON FOR HIGH SURF 
  AND EARLY THURSDAY MORNING FOR RIP CURRENT RISK. 

* IMPACTS...BREAKING WAVES BETWEEN 9 TO 11 FEET AND STRONG 
  CURRENTS THAT CAN CARRY EVEN THE BEST OF SWIMMERS OUT TO SEA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND LARGE
WAVES THAT CAN SWEEP PEOPLE AND PETS OFF OF ROCKS AND JETTIES AND
INTO THE OCEAN.

&&

$$

PRZ013-191000-
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
VIEQUES-
301 PM AST TUE APR 18 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE WEDNESDAY
NIGHT...

* WAVES AND SURF...BREAKING WAVES BETWEEN 5 TO 7 FEET.

* LOCATION... NORTHERN AND EASTERN BEACHES OF VIEQUES.

* TIMING...THROUGH AT LEAST WEDNESDAY AFTERNOON.

* IMPACTS...STRONG CURRENTS THAT CAN CARRY EVEN THE BEST OF 
  SWIMMERS OUT TO SEA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS.

&&

$$
356 
WHCA42 TJSJ 182035 CCA
CFWSJU

COASTAL HAZARD MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE SAN JUAN PR
435 PM AST TUE APR 18 2017

PRZ001-002-005-008-190845-
/O.COR.TJSJ.SU.Y.0011.000000T0000Z-170420T1000Z/
/O.COR.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
SAN JUAN AND VICINITY-NORTHEAST-NORTH CENTRAL-NORTHWEST-
435 PM AST TUE APR 18 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM AST THURSDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE WEDNESDAY
NIGHT...

* WAVES AND SURF...SEAS UP TO 8 FEET AND BREAKING WAVE BETWEEN 8 
  TO 13 FEET. 

* LOCATION...NORTHWEST TO NORTHEAST BEACHES OF PUERTO RICO.

* TIMING...THROUGH AT LEAST THURSDAY MORNING FOR HIGH SURF AND
  LATE WEDNESDAY NIGHT FOR RIP CURRENT RISK. 

* IMPACTS...BREAKING WAVES BETWEEN 8 TO 13 FEET AND STRONG 
  CURRENTS THAT CAN CARRY EVEN THE BEST OF SWIMMERS OUT TO SEA. 

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 LARGE
WAVES THAT CAN SWEEP PEOPLE AND PETS OFF OF ROCKS AND JETTIES AND
INTO THE OCEAN.

&&

$$

PRZ010-012-VIZ001-002-190845-
/O.COR.TJSJ.SU.Y.0011.000000T0000Z-170419T2200Z/
/O.COR.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
MAYAGUEZ AND VICINITY-CULEBRA-
ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-ST CROIX-
435 PM AST TUE APR 18 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST
WEDNESDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE WEDNESDAY
NIGHT...

* WAVES AND SURF...SEAS UP TO 8 FEET AND BREAKING WAVES BETWEEN 
  8 TO 11 FEET. 

* LOCATION...NORTHWEST BEACHES OF PUERTO RICO, CULEBRA, AND THE 
  U.S. VIRGIN ISLANDS. 

* TIMING...THROUGH AT LEAST WEDNESDAY EVENING FOR HIGH SURF AND
  LATE WEDNESDAY NIGHT FOR RIP CURRENT RISK. 

* IMPACTS...BREAKING WAVES BETWEEN 9 TO 11 FEET AND STRONG 
  CURRENTS THAT CAN CARRY EVEN THE BEST OF SWIMMERS OUT TO SEA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND LARGE
WAVES THAT CAN SWEEP PEOPLE AND PETS OFF OF ROCKS AND JETTIES AND
INTO THE OCEAN.

&&

$$

PRZ013-190845-
/O.COR.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
VIEQUES-
435 PM AST TUE APR 18 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE WEDNESDAY
NIGHT...

* WAVES AND SURF...BREAKING WAVES BETWEEN 5 TO 7 FEET.

* LOCATION... NORTHERN AND EASTERN BEACHES OF VIEQUES.

* TIMING...THROUGH LATE WEDNESDAY NIGHT.

* IMPACTS...STRONG CURRENTS THAT CAN CARRY EVEN THE BEST OF 
  SWIMMERS OUT TO SEA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS.

&&

$$
624 
WHCA42 TJSJ 190934
CFWSJU

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
534 AM AST WED APR 19 2017

SEAS WILL BEGIN DIMINISHING TODAY. HIGH SURF WILL END BY LATE 
TONIGHT THE HIGH RISK OF RIP CURRENTS WILL CONTINUE INTO AT LEAST 
EARLY THURSDAY.

PRZ010-VIZ001-191745-
/O.CAN.TJSJ.SU.Y.0011.000000T0000Z-170419T2200Z/
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
MAYAGUEZ AND VICINITY-ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-
534 AM AST WED APR 19 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT...
...HIGH SURF ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS CANCELLED THE HIGH
SURF ADVISORY. 

* LOCATION...NORTHWEST BEACHES OF PUERTO RICO, SAINT THOMAS AND
  SAINT JOHN.

* TIMING...HIGH RIP CURRENT RISK THROUGH TONIGHT. 

* IMPACTS...STRONG CURRENTS THAT CAN CARRY EVEN THE BEST OF 
  SWIMMERS OUT TO SEA. 

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. 

&&

$$

PRZ001-002-005-008-191745-
/O.CON.TJSJ.SU.Y.0011.000000T0000Z-170420T1000Z/
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
SAN JUAN AND VICINITY-NORTHEAST-NORTH CENTRAL-NORTHWEST-
534 AM AST WED APR 19 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM AST THURSDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH AT LEAST LATE TONIGHT...

* WAVES AND SURF...SEAS UP TO 8 FEET AND BREAKING WAVE BETWEEN 8
  AND 13 FEET. 

* LOCATION...NORTHWEST TO NORTHEAST BEACHES OF PUERTO RICO.

* TIMING...THROUGH LATE WEDNESDAY NIGHT. 

* IMPACTS...BREAKING WAVES BETWEEN 8 TO 13 FEET AND STRONG
  CURRENTS THAT CAN CARRY EVEN THE BEST OF SWIMMERS OUT TO SEA. 

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 LARGE 
WAVES THAT CAN SWEEP PEOPLE AND PETS OFF OF ROCKS AND JETTIES AND 
INTO THE OCEAN.

&&

$$

PRZ012-VIZ002-191745-
/O.CON.TJSJ.SU.Y.0011.000000T0000Z-170419T2200Z/
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
CULEBRA-ST CROIX-
534 AM AST WED APR 19 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST THIS
EVENING...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT...

* WAVES AND SURF...SEAS UP TO 8 FEET AND BREAKING WAVES BETWEEN 
  8 TO 11 FEET. 

* LOCATION...CULEBRA AND SAINT CROIX. 

* TIMING...THROUGH AT LEAST WEDNESDAY EVENING FOR HIGH SURF AND 
  LATE WEDNESDAY NIGHT FOR RIP CURRENT RISK. 

* IMPACTS...BREAKING WAVES BETWEEN 8 TO 11 FEET AND STRONG 
  CURRENTS THAT CAN CARRY EVEN THE BEST OF SWIMMERS OUT TO SEA. 

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 LARGE
WAVES THAT CAN SWEEP PEOPLE AND PETS OFF OF ROCKS AND JETTIES AND
INTO THE OCEAN.

&&

$$

PRZ013-191745-
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
VIEQUES-
534 AM AST WED APR 19 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT...

* LOCATION... NORTHERN AND EASTERN BEACHES OF VIEQUES.

* TIMING...THROUGH LATE TONIGHT.

* IMPACTS...STRONG CURRENTS THAT CAN CARRY EVEN THE BEST OF 
  SWIMMERS OUT TO SEA. 

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.

&&

$$
428 
WHCA42 TJSJ 191936
CFWSJU

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
336 PM AST WED APR 19 2017

SEAS WILL BEGIN DIMINISHING THIS EVENING. HIGH SURF WILL END BY 
EARLY THURSDAY. THE HIGH RISK OF RIP CURRENTS WILL CONTINUE INTO 
AT LEAST THURSDAY.

PRZ001-002-005-008-200400-
/O.CON.TJSJ.SU.Y.0011.000000T0000Z-170420T1000Z/
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
SAN JUAN AND VICINITY-NORTHEAST-NORTH CENTRAL-NORTHWEST-
336 PM AST WED APR 19 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM AST THURSDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THURSDAY...

* WAVES AND SURF...SEAS UP TO 8 FEET AND BREAKING WAVE BETWEEN 8 
  AND 13 FEET. 

* LOCATION...NORTHWEST TO NORTHEAST BEACHES OF PUERTO RICO.

* TIMING...THROUGH EARLY THURSDAY.

* IMPACTS...BREAKING WAVES BETWEEN 8 TO 13 FEET AND STRONG 
  CURRENTS THAT CAN CARRY EVEN THE BEST OF SWIMMERS OUT TO SEA. 

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 LARGE
WAVES THAT CAN SWEEP PEOPLE AND PETS OFF OF ROCKS AND JETTIES AND
INTO THE OCEAN.

&&

$$

PRZ012-VIZ002-200400-
/O.CON.TJSJ.SU.Y.0011.000000T0000Z-170419T2200Z/
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
CULEBRA-ST CROIX-
336 PM AST WED APR 19 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT THROUGH THIS EVENING...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH EARLY THURSDAY...

* WAVES AND SURF...SEAS UP TO 8 FEET AND BREAKING WAVES BETWEEN 
  8 TO 11 FEET. 

* LOCATION...CULEBRA AND SAINT CROIX.

* TIMING...THROUGH AT LEAST THIS EVENING FOR HIGH SURF AND EARLY
  THURSDAY FOR RIP CURRENT RISK. 

* IMPACTS...BREAKING WAVES BETWEEN 8 TO 11 FEET AND STRONG 
  CURRENTS THAT CAN CARRY EVEN THE BEST OF SWIMMERS OUT TO SEA. 

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 LARGE
WAVES THAT CAN SWEEP PEOPLE AND PETS OFF OF ROCKS AND JETTIES AND
INTO THE OCEAN.

&&

$$

PRZ010-013-VIZ001-200400-
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
MAYAGUEZ AND VICINITY-VIEQUES-
ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-
336 PM AST WED APR 19 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH EARLY THURSDAY...

* LOCATION...NORTHWEST BEACHES OF PUERTO RICO, SAINT THOMAS AND 
  SAINT JOHN. 

* TIMING...HIGH RIP CURRENT RISK THROUGH EARLY THURSDAY.

* IMPACTS...STRONG CURRENTS THAT CAN CARRY EVEN THE BEST OF 
  SWIMMERS OUT TO SEA. 

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.

&&

$$
195 
WHCA42 TJSJ 200055
CFWSJU

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
855 PM AST WED APR 19 2017

PRZ001-002-005-008-200900-
/O.EXT.TJSJ.RP.S.0029.000000T0000Z-170420T2200Z/
/O.CON.TJSJ.SU.Y.0011.000000T0000Z-170420T1000Z/
SAN JUAN AND VICINITY-NORTHEAST-NORTH CENTRAL-NORTHWEST-
855 PM AST WED APR 19 2017

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH THURSDAY AFTERNOON...
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM AST THURSDAY...

* WAVES AND SURF...SUBSIDING SEAS 6 TO 8 FEET AND BREAKING WAVE
  AROUND 8 FEET WITH OCCASIONAL BREAKING WAVES UP TO 10 FEET.

* LOCATION...NORTHWEST TO NORTHEAST BEACHES OF PUERTO RICO.

* TIMING...THROUGH THURSDAY.

* IMPACTS...BREAKING WAVES BETWEEN 8 TO 10 FEET AND STRONG 
  CURRENTS THAT CAN CARRY EVEN THE BEST OF SWIMMERS OUT TO SEA. 

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 LARGE
WAVES THAT CAN SWEEP PEOPLE AND PETS OFF OF ROCKS AND JETTIES AND
INTO THE OCEAN.

&&

$$

PRZ012-VIZ002-200900-
/O.EXT.TJSJ.RP.S.0029.000000T0000Z-170420T2200Z/
CULEBRA-ST CROIX-
855 PM AST WED APR 19 2017

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH THURSDAY AFTERNOON...

* LOCATION...CULEBRA AND SAINT CROIX.

* TIMING...THROUGH THURSDAY AFTERNOON. 

* IMPACTS...STRONG CURRENTS THAT CAN CARRY EVEN THE BEST OF 
  SWIMMERS OUT TO SEA. 

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.

&&

$$

PRZ010-013-VIZ001-200900-
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
MAYAGUEZ AND VICINITY-VIEQUES-
ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-
855 PM AST WED APR 19 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 6 AM AST THURSDAY...

* LOCATION...MAYAGUEZ AND VICINITY, VIEQUES SAINT THOMAS AND 
  SAINT JOHN.
 
* TIMING...HIGH RIP CURRENT RISK THROUGH 6 AM AST THURSDAY.

* IMPACTS...STRONG CURRENTS THAT CAN CARRY EVEN THE BEST OF 
  SWIMMERS OUT TO SEA. 

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.

&&

$$
346 
WHCA42 TJSJ 200910
CFWSJU

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
510 AM AST THU APR 20 2017

SEAS ARE DIMINISHING BUT THE RISK OF RIP CURRENTS REMAINS HIGH FOR
FAVORED ATLANTIC BEACHES WITH A NORTHERN EXPOSURE.


PRZ001-002-201715-
/O.CAN.TJSJ.SU.Y.0011.000000T0000Z-170420T1000Z/
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170420T2200Z/
SAN JUAN AND VICINITY-NORTHEAST-
510 AM AST THU APR 20 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS
AFTERNOON...
...HIGH SURF ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS CANCELLED THE HIGH
SURF ADVISORY. 

* LOCATION...NORTHWEST TO NORTHEAST BEACHES OF PUERTO RICO.

* TIMING...THROUGH TODAY.

* IMPACTS...STRONG CURRENTS THAT CAN CARRY EVEN THE BEST OF 
  SWIMMERS OUT TO SEA. 

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. 

&&

$$

PRZ005-008-201715-
/O.CAN.TJSJ.SU.Y.0011.000000T0000Z-170420T1000Z/
/O.EXT.TJSJ.RP.S.0029.000000T0000Z-170421T1000Z/
NORTH CENTRAL-NORTHWEST-
510 AM AST THU APR 20 2017

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE TONIGHT...
...HIGH SURF ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS CANCELLED THE HIGH
SURF ADVISORY. 

* LOCATION...NORTHWEST TO NORTH CENTRAL BEACHES OF PUERTO RICO.

* TIMING...THROUGH TONIGHT.

* IMPACTS...BREAKING WAVES BETWEEN 8 TO 10 FEET AND STRONG 
  CURRENTS THAT CAN CARRY EVEN THE BEST OF SWIMMERS OUT TO SEA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND LARGE
WAVES THAT CAN SWEEP PEOPLE AND PETS OFF OF ROCKS AND JETTIES AND
INTO THE OCEAN.

&&

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. 

&&

$$

PRZ010-013-VIZ001-201015-
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170420T1000Z/
MAYAGUEZ AND VICINITY-VIEQUES-
ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-
510 AM AST THU APR 20 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 6 AM AST EARLY
THIS MORNING...

* LOCATION...MAYAGUEZ AND VICINITY.

* TIMING...HIGH RIP CURRENT RISK THROUGH 6 AM AST THURSDAY.

* IMPACTS...STRONG CURRENTS THAT CAN CARRY EVEN THE BEST OF 
  SWIMMERS OUT TO SEA. 

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-VIZ002-201715-
/O.CON.TJSJ.RP.S.0029.000000T0000Z-170420T2200Z/
CULEBRA-ST CROIX-
510 AM AST THU APR 20 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS
AFTERNOON...

* LOCATION...CULEBRA AND SAINT CROIX.

* TIMING...THROUGH THURSDAY AFTERNOON.

* IMPACTS...STRONG CURRENTS THAT CAN CARRY EVEN THE BEST OF 
  SWIMMERS OUT TO SEA. 

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.

&&

$$

What forecasters said that day

The local office's own words before this high surf advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS JSJ wrote its last area forecast discussion before this high surf advisory went out at Apr 17, 10:54 AM CDT, 4 hours 20 minutes earlier.

Area forecast discussion, Apr 17, 10:54 AM CDT, 4 hours 20 minutes before
Area Forecast Discussion
National Weather Service San Juan PR
1154 AM AST Mon Apr 17 2017

.UPDATE/NEAR TERM...Minor changes were introduced to the forecast
package at this time. A moist and unstable air mass will continue
to prevail across the local islands this afternoon through at
least the evening hours to result in periods of showers across
the eastern half of Puerto Rico and the USVI through the entire
period but with shower and thunder development across the
interior and west Puerto Rico in the afternoon and evening hours.
Soils are already saturated and rivers levels are high, therefore
the risk of flash flooding continues. Weather conditions are
expected to slowly improve by midweek.

&&

.AVIATION...MVFR conds will remain possible at the Leeward and
USVI terminals as well as JSJ through the forecast period with
MVFR conds expected in and around JPS/JMZ and JBQ between
17/16-22z. Easterly winds 15-20 knots with some sea breeze
variations, but becoming 10 knots or less overnight.

&&

.MARINE...Hazardous seas will continue to prevail across the local
waters today. The local bouy network is indicating seas between 6
and 8 feet. A second pules of northerly swell is expected to
reach the local waters on Tuesday. Therefore, hazardous marine and
surf conditions to continue through midweek.

&&

.PREV DISCUSSION... /issued 507 AM AST Mon Apr 17 2017/

SYNOPSIS...Moist flow from the south pushing up against a frontal
boundary extending out of a low pressure in the central Atlantic
will continue to produce copious rainfall for much of Puerto Rico
and Saint Croix today and tomorrow. North flow on Wednesday and
Thursday will allow some drying while still supporting afternoon
showers, but a fresh surge of moisture from the south will bring
back heavy rains over the weekend and into next week.

SHORT TERM...Today through Wednesday...
The Flash Flood Watch continues in effect through midnight tonight.
Another day with moderate to locally heavy rainfall in the afternoon
over PR is expected as good moisture will prevail over the local
area with precipitable water values close to 2 inches. There is also
a strong jet over the local area with a speed of 90 knots
expected according the the GFS forecast sounding. This same
forecast sounding also suggests that the dew point depression
will become yet smaller, to become more saturated, as the day
progresses. So given the saturated soils, the available moisture,
the upper level jet and the decent equivalent potential
temperature expected, all combined with the local effects, we
should be in store for a relatively active day with showers and a
few thunderstorms. The only limiting factor for today would be the
cloudiness that is currently present over the area, which could
inhibit some of the convection for the afternoon, however, if any
of that cloudiness thins out then we could have good convection in
the afternoon. The USVI should observe mainly isolated to
scattered showers.

After today, it looks like it will gradually start to dry out but
Tuesday still looks like showers and thunderstorms are possible. A
slight shift to a ENE wind is possible on Tuesday, which will cause
the convection to develop more across the interior and the SW
quadrant of PR on Tuesday. For Wednesday, the available moisture
is expected to decrease significantly with precipitable water
values decreasing to about 1.5 inches and the upper level winds
decreasing to about 50 knots. This means that less shower activity
is expected on Wednesday. The USVI should observe mainly isolated
to scattered showers once again these 2 days.

LONG TERM...Thursday through Monday
The ridge over the central Caribbean will drift over the local
area by late Friday followed immediately by a short wave trough
that will usher in the initiation of better dynamics fueled by
increasing moisture. The remains of an old frontal boundary that
was pushed into the central Caribbean south of the area Wednesday
and Thursday will return over the weekend in southerly flow at
700 mb to be followed by another plume of rich moisture out of
South America Monday into Tuesday.

Showers and isolated thunderstorms will continue in the
afternoons over interior Puerto Rico Thursday and Friday. The
surge in moisture and minor boost in upper level dynamics will
begin a gradual increase in overall showers and cloudiness
Saturday and Sunday that will continue into mid week next week. At
this point the amount of moisture suggests that we could return to
a potential for flash flooding by Monday, while the potential for
at least local urban and small stream flooding will by high again
beginning Friday or Saturday.

AVIATION...VFR conditions expected through 17/16Z across the local
terminals with winds generally at around 10 kt or less from the east
until 17/13Z. After 17/13Z the winds will increase to about 15-20 kt
with occasional gusts from the east. SHRA and isold TSRA expected
across PR this afternoon causing VCSH/VCTS and mtn obscurations.
TEMPO SHRA/TSRA is expected, causing MVFR conditions. Wx improving
after 18/00Z, leaving ISOLD/SCT SHRA across the local area. Brief
MVFR is expected thru at least 18/02Z in TNCM, TKPK. Maximum winds
WSW 90 kt FL390-450 thru 18/02Z.

MARINE...Seas are ramping up through the Atlantic waters in
northeast swell. Heights at the inner buoy near San Juan have
pushed above 7 feet, while heights at the outer buoy are just
under 10 feet. This swell event will extend itself through at
least Tuesday before it begins to subside. Current indications are
that the northern coasts of Puerto Rico and the U.S. Virgin
Islands will have high surf with 10 feet or better breaking waves
beginning Tuesday morning. Mariners will find conditions improving
Wednesday. Increased winds in the Caribbean will also support wave
development there and small craft advisories for swell entering
from the passages are already in place.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU  85  74  83  74 /  60  60  40  10
STT  85  75  83  73 /  60  60  40  10

&&

.SJU WATCHES/WARNINGS/ADVISORIES...
PR...High Rip Current Risk through Wednesday afternoon for Culebra-
     Mayaguez and Vicinity-North Central-Northeast-Northwest-San
     Juan and Vicinity-Southeast-Western Interior.

     Flash Flood Watch through this evening for Central Interior-
     Culebra-Eastern Interior-Mayaguez and Vicinity-North
     Central-Northeast-Northwest-Ponce and Vicinity-San Juan and
     Vicinity-Southeast-Southwest-Vieques-Western Interior.

VI...High Rip Current Risk through Wednesday afternoon for St Croix-
     St.Thomas...St. John...and Adjacent Islands.

     Flash Flood Watch through this evening for St Croix-
     St.Thomas...St. John...and Adjacent Islands.

AM...High Rip Current Risk through Wednesday afternoon for Coastal
     Waters of Northern USVI and Culebra out 10 NM-Coastal
     Waters of Southern USVI Vieques and Eastern Puerto Rico out
     10 NM.

     Flash Flood Watch through this evening for Atlantic Waters of
     Puerto Rico and USVI from 10 NM to 19.5N-Caribbean Waters
     of Puerto Rico from 10 NM to 17N-Coastal Waters OF
     Northwestern Puerto Rico out 10 NM-Coastal Waters OF
     Southwestern Puerto Rico out 10 NM-Coastal Waters of
     Northern Puerto Rico out 10 NM-Coastal Waters of Northern
     USVI and Culebra out 10 NM-Coastal Waters of Southern
     Puerto Rico out 10 NM-Coastal Waters of Southern USVI
     Vieques and Eastern Puerto Rico out 10 NM-Mona Passage
     Southward to 17N.

     High Rip Current Risk through this evening for Atlantic Waters
     of Puerto Rico and USVI from 10 NM to 19.5N-Caribbean
     Waters of Puerto Rico from 10 NM to 17N-Coastal Waters OF
     Northwestern Puerto Rico out 10 NM-Coastal Waters of
     Northern Puerto Rico out 10 NM-Mona Passage Southward to
     17N.

     Small Craft Advisory until 2 PM AST Wednesday for Anegada
     Passage Southward 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-Coastal Waters of Northern Puerto Rico
     out 10 NM-Mona Passage Southward to 17N.

     Small Craft Advisory until 2 AM AST Wednesday for Coastal Waters
     OF Northwestern Puerto Rico out 10 NM-Coastal Waters of
     Northern USVI and Culebra out 10 NM-Coastal Waters of
     Southern USVI Vieques and Eastern Puerto Rico out 10 NM.

&&

SHORT TERM...99
LONG TERM....99
Hazardous weather outlook, Apr 17, 4:40 AM CDT, 10 hours 34 minutes before
Perspectivas sobre condiciones peligrosas del tiempo
Servicio Nacional de Meteorologia San Juan PR
509 AM AST lunes 17 de abril de 2017

AMZ710>745-PRZ001>013-181000-
San Juan y Vecindad-Noreste-Sureste-Este Interior-Norte Central-
Interior Central-Ponce y Vecindad-Noroeste-Oeste Interior-
Mayaguez y Vecindad-Suroeste-Culebra-Vieques-Aguas cercanas y
aguas mar afuera del Atlantico y aguas costeras del Caribe-
509 AM AST lunes 17 de abril de 2017

Esta perspectiva sobre las condiciones peligrosas del tiempo es
para Puerto Rico y las aguas costeras adyacentes del Atlantico.

.Dia uno...Hoy y esta noche

.Trondas...Existe un potencial de tronadas con fuertes lluvias y
vientos en rafagas breves esta tarde a traves de porciones del
interior y oeste de Puerto Rico.

.Inundaciones...Lluvias fuertes podrian resultar inundaciones
urbanas y de riachuelos. Una Vigilancia de Inundaciones Repentinas
esta en efecto.

.Vientos...Vientos sostenidos alrededor de 20 nudos se esperan a
traves de las aguas locales.

.Oleaje...Oleaje picado y vigoroso de hasta 8 pies a traves de las
aguas del Atlantico y pasajes locales.

.Corrientes marinas...Existe un riesgo alto de corrientes marinas
para las playas del noroeste a noreste de Puerto Rico al igual que
sobre las playas del norte de Culebra.

.Dias dos a siete...martes a domingo

Riesgo de corrientes marinas permanecera moderado a alto durante los
proximos dias y las condiciones maritimas se esperan que permanezcan
peligrosas durante los proximos dias tambien. Tambien existira la
probabilidad de inundaciones urbanas y de riachuelos el martes.

.Comunicado sobre informacion reportada por observadores...

Algun reporte de inundaciones y fuertes lluvias sera agradecido.

AMZ715-725-VIZ001-002-181000-
San Tomas, San John e islas adyacentes-Santa Cruz-
Aguas cercanas del Atlantico y aguas costeras adyacentes del Caribe-
509 AM AST lunes 17 de abril de 2017

Esta perspectiva sobre las condiciones del tiempo peligrosas es
para Puerto Rico y las aguas costeras adyacentes del Atlantico.

.Dia uno...Hoy y esta noche

.Vientos...Vientos sostenidos de alrededor de 20 nudos se esperan a
traves de las aguas locales.

.Oleaje...Oleaje picado y vigoroso de hasta 8 pies se espera a
traves de las aguas del Atlantico y pasajes locales.

.Corrientes marinas...Existe un riesgo alto de corrientes marinas
para el noroeste de San Tomas y el noreste de Santa Cruz. Riesgo
moderado para la mayoria del resto de las playas de las Islas
Virgenes excepto el este de San John.

.Dias dos a siete...martes a domingo

Riesgo de corrientes marinas permanecera moderado a alto durante los
proximos dias y las condiciones martimas se esperan que permanezcan
peligrosas durante los proximos dias tambien.

.Comunicado sobre informacion reportada por observadores...

No se anticipa activacion amplia de observadores, sin embargo se les
exhorta a observadores a reportar inundaciones, trombas marinas, y
corrientes marinas al Servicio Nacional de Meteorologia en San Juan.

In the hours before

Local storm report, Apr 17, 2:12 PM CDT, 1 hour 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
312 PM AST MON APR 17 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0300 PM     FLASH FLOOD      RIO GRANDE              18.38N 65.84W
04/17/2017                   RIO GRANDE         PR   EMERGENCY MNGR

            EMERGENCY MANAGERS REPORTED ROAD 191 IMPASSABLE NEAR URB
            VEGA DUE TO THE FLOOD WATERS OF RIO MAMEYES.

&&

OMARTINE
Local storm report, Apr 17, 2:24 PM CDT, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
324 PM AST MON APR 17 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0319 PM     FLASH FLOOD      RIO GRANDE              18.38N 65.84W
04/17/2017                   RIO GRANDE         PR   OTHER FEDERAL

            FORESTRY SERVICE IN EL YUNQUE INDICATED THAT THEY HAVE
            BEGUN TO EXTRACT PUBLIC AND PERSONNEL FOR SAFETY

            MEASURES,RIO MAMEYES AND ESPIRITU SANTO OUT OF ITS BANKS.

&&

OMARTINE

The office that day

Everything else NWS JSJ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 16, 7:28 PM CDTAreal Flood AdvisoryJSJ3 hr
Apr 16, 8:20 PM CDTAreal Flood AdvisoryJSJ3 hr
Apr 17, 5:40 AM CDTAreal Flood AdvisoryJSJ5 hr
Apr 17, 6:48 AM CDTFlash Flood WarningJSJ87 min
Apr 17, 11:11 AM CDTAreal Flood AdvisoryJSJ5 hr
Apr 17, 11:13 AM CDTAreal Flood AdvisoryJSJ3 hr
Apr 17, 11:44 AM CDTAreal Flood AdvisoryJSJ3 hr
Apr 17, 11:53 AM CDTFlash Flood WarningJSJ4 hr
Apr 17, 12:12 PM CDTAreal Flood AdvisoryJSJ3 hr
Apr 17, 12:29 PM CDTAreal Flood AdvisoryJSJ3 hr
Apr 17, 1:01 PM CDTFlash Flood WarningJSJ3 hr
Apr 17, 1:39 PM CDTAreal Flood AdvisoryJSJ6 hr
Apr 17, 1:57 PM CDTAreal Flood AdvisoryJSJ3 hr
Apr 17, 2:04 PM CDTAreal Flood AdvisoryJSJ3 hr
Apr 17, 2:24 PM CDTAreal Flood AdvisoryJSJ3 hr
Apr 17, 2:32 PM CDTAreal Flood AdvisoryJSJ3 hr
Apr 17, 2:40 PM CDTAreal Flood AdvisoryJSJ3 hr
Apr 17, 2:50 PM CDTAreal Flood AdvisoryJSJ3 hr
Apr 17, 3:21 PM CDTFlash Flood WarningJSJ3 hr
Apr 17, 3:28 PM CDTFlash Flood WarningJSJ3 hr
Apr 17, 3:30 PM CDTAreal Flood AdvisoryJSJ3 hr
Apr 17, 3:50 PM CDTFlash Flood WarningJSJ3 hr
Apr 17, 3:57 PM CDTAreal Flood AdvisoryJSJ6 hr
Apr 17, 4:01 PM CDTAreal Flood AdvisoryJSJ3 hr
Apr 17, 4:19 PM CDTFlash Flood WarningJSJ3 hr
Apr 17, 4:49 PM CDTFlash Flood WarningJSJ3 hr
Apr 17, 5:07 PM CDTFlash Flood WarningJSJ3 hr
Apr 17, 6:18 PM CDTAreal Flood WarningJSJ3 hr
Apr 17, 6:27 PM CDTFlash Flood WarningJSJ3 hr

Nearby

High Surf Advisories in Puerto Rico, 2017High Surf Advisories in U.S. Virgin Islands, 2017Every high surf advisory in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.