181  
FZCA52 TJSJ 190745  
CWFSJU  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE SAN JUAN PR  
345 AM AST SUN MAY 19 2019  
 
PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS  
 
SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE  
HIGHEST 1/3 OF THE SEAS...ALONG WITH THE OCCASIONAL HEIGHT  
OF THE AVERAGE HIGHEST 10 PERCENT OF THE SEAS.  
 
AMZ700-192015-  
345 AM AST SUN MAY 19 2019  
   
SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS
 
 
SURFACE HIGH PRESSURE OVER THE EAST-CENTRAL ATLANTIC AND A LINGERING  
FRONTAL BOUNDARY TO THE NORTH WILL CONTINUE TO PROMOTE A LIGHT TO  
MODERATE EAST TO EAST-SOUTHEAST WIND FLOW ACROSS THE REGION THROUGH  
EARLY NEXT WEEK. THIS WILL CONTINUE TO RESULT IN FAIRLY TRANQUIL SEAS  
ACROSS THE REGIONAL WATERS. HOWEVER, ISOLATED AFTERNOON THUNDERSTORMS  
ARE EXPECTED TO CONTINUE OVER THE NORTHWESTERN COASTAL WATERS OF  
PUERTO RICO THROUGH THE EVENING HOURS.  
 

 
 
AMZ710-192015-  
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-  
345 AM AST SUN MAY 19 2019  
   
TODAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
TONIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
MONDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
MONDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET  
WITH OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS.  
ISOLATED SHOWERS.   
TUESDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
WEDNESDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
THUNDERSTORMS. NUMEROUS SHOWERS.   
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 8 SECONDS. ISOLATED THUNDERSTORMS. SCATTERED SHOWERS.  
 

 
 
AMZ712-192015-  
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-  
345 AM AST SUN MAY 19 2019  
   
TODAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS.  
SCATTERED SHOWERS THROUGH THE DAY. ISOLATED THUNDERSTORMS IN THE  
AFTERNOON.   
TONIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS.  
SCATTERED SHOWERS.   
MONDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS THROUGH THE DAY. ISOLATED THUNDERSTORMS IN THE AFTERNOON.   
MONDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET  
WITH OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS.  
SCATTERED SHOWERS.   
TUESDAY
 
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
WEDNESDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.  
DOMINANT PERIOD 8 SECONDS. ISOLATED THUNDERSTORMS. SCATTERED  
SHOWERS.   
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 8 SECONDS. ISOLATED THUNDERSTORMS, THEN ISOLATED SHOWERS.  
 

 
 
AMZ715-192015-  
COASTAL WATERS OF NORTHERN USVI AND CULEBRA OUT 10 NM-  
345 AM AST SUN MAY 19 2019  
   
TODAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS.  
SCATTERED SHOWERS.   
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS.  
SCATTERED SHOWERS.   
MONDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. SCATTERED  
SHOWERS.   
MONDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
TUESDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
WEDNESDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 8 SECONDS. NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS.   
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 2 FEET OR LESS.  
DOMINANT PERIOD 8 SECONDS. ISOLATED THUNDERSTORMS. NUMEROUS  
SHOWERS.  
 

 
 
AMZ722-192015-  
ANEGADA PASSAGE SOUTHWARD TO 17N-  
345 AM AST SUN MAY 19 2019  
   
TODAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS.  
SCATTERED SHOWERS.   
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
MONDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
MONDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
TUESDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
WEDNESDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. SCATTERED  
SHOWERS. ISOLATED THUNDERSTORMS.   
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 8 SECONDS. ISOLATED THUNDERSTORMS. NUMEROUS SHOWERS.  
 

 
 
AMZ725-192015-  
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO OUT  
10 NM-  
345 AM AST SUN MAY 19 2019  
   
TODAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. SCATTERED  
SHOWERS.   
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS.  
SCATTERED SHOWERS.   
MONDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
MONDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
TUESDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
WEDNESDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. NUMEROUS  
SHOWERS AND ISOLATED THUNDERSTORMS.   
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 8 SECONDS. ISOLATED THUNDERSTORMS. NUMEROUS SHOWERS.  
 

 
 
AMZ732-192015-  
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-  
345 AM AST SUN MAY 19 2019  
   
TODAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
MONDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
MONDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
TUESDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
WEDNESDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 7 SECONDS. SCATTERED SHOWERS.   
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 8 SECONDS. ISOLATED THUNDERSTORMS. SCATTERED SHOWERS.  
 

 
 
AMZ735-192015-  
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-  
345 AM AST SUN MAY 19 2019  
   
TODAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
MONDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
MONDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
TUESDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
WEDNESDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 7 SECONDS. SCATTERED SHOWERS.   
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 2 FEET OR LESS.  
DOMINANT PERIOD 7 SECONDS. ISOLATED SHOWERS.  
 

 
 
AMZ741-192015-  
MONA PASSAGE SOUTHWARD TO 17N-  
345 AM AST SUN MAY 19 2019  
   
TODAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED  
SHOWERS.   
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED  
SHOWERS.   
MONDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED  
SHOWERS IN THE MORNING, THEN ISOLATED THUNDERSTORMS IN THE  
AFTERNOON.   
MONDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET  
WITH OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS.  
ISOLATED SHOWERS.   
TUESDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
WEDNESDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 7 SECONDS. SCATTERED SHOWERS. ISOLATED THUNDERSTORMS.   
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 8 SECONDS. ISOLATED THUNDERSTORMS, THEN ISOLATED SHOWERS.  
 

 
 
AMZ742-192015-  
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-  
345 AM AST SUN MAY 19 2019  
   
TODAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS.  
SCATTERED SHOWERS THROUGH THE DAY. ISOLATED THUNDERSTORMS IN THE  
AFTERNOON.   
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 11 SECONDS. ISOLATED SHOWERS.   
MONDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 10 SECONDS. NUMEROUS SHOWERS THROUGH THE DAY. ISOLATED  
THUNDERSTORMS IN THE AFTERNOON.   
MONDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.  
DOMINANT PERIOD 10 SECONDS. SCATTERED SHOWERS.   
TUESDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 10 SECONDS. ISOLATED THUNDERSTORMS. SCATTERED SHOWERS.   
WEDNESDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 FEET OR LESS.  
DOMINANT PERIOD 10 SECONDS. ISOLATED THUNDERSTORMS, THEN SCATTERED  
SHOWERS.   
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 2 FEET OR LESS.  
DOMINANT PERIOD 8 SECONDS. ISOLATED SHOWERS.  
 

 
 
AMZ745-192015-  
COASTAL WATERS OF SOUTHWESTERN PUERTO RICO OUT 10 NM-  
345 AM AST SUN MAY 19 2019  
   
TODAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.  
DOMINANT PERIOD 7 SECONDS. ISOLATED SHOWERS.   
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 7 SECONDS. ISOLATED SHOWERS.   
MONDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.  
DOMINANT PERIOD 7 SECONDS. SCATTERED SHOWERS THROUGH THE DAY.  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.   
MONDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.  
DOMINANT PERIOD 7 SECONDS. ISOLATED SHOWERS.   
TUESDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 7 SECONDS. ISOLATED SHOWERS.   
WEDNESDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 FEET OR LESS.  
DOMINANT PERIOD 7 SECONDS. ISOLATED SHOWERS.   
THURSDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 FEET OR LESS.  
DOMINANT PERIOD 7 SECONDS. SCATTERED SHOWERS.  
 

 
 
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