213  
FZCA52 TJSJ 240811  
CWFSJU  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE SAN JUAN PR  
411 AM AST THU MAY 24 2018  
 
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.  
 
AMZ700-242115-  
411 AM AST THU MAY 24 2018  
   
SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS
 
 
THE AZORES-BERMUDAS HIGH PRESSURE WILL YIELD A MODERATE TO FRESH  
EASTERLY WIND FLOW ACROSS THE LOCAL WATERS. CHOPPY SEAS WILL  
THEREFORE CONTINUE THROUGH AT LEAST THIS AFTERNOON. UNDER THIS  
WEATHER PATTERN, THE EASTERLY TRADE WINDS WILL BRING OCCASIONAL  
PATCHES OF LOW LEVEL CLOUDS AND SHOWERS EACH DAY THROUGH THE REST OF  
THE WEEK. A TROPICAL WAVE IS FORECAST TO CROSS THE LESSER ISLANDS BY  
SATURDAY.  
 

 
 
AMZ710-242115-  
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-  
411 AM AST THU MAY 24 2018  
   
..SMALL CRAFT SHOULD EXERCISE CAUTION
 
 
   
TODAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED  
SHOWERS THROUGH THE DAY.   
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED  
SHOWERS.   
FRIDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
FRIDAY NIGHT
 
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
SATURDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
SUNDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS.  
NORTHEAST SWELL AROUND 4 FEET. SCATTERED SHOWERS. ISOLATED  
THUNDERSTORMS.   
MONDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS.  
NORTHEAST SWELL AROUND 4 FEET. ISOLATED THUNDERSTORMS, THEN  
ISOLATED SHOWERS.  
 

 
 
AMZ712-242115-  
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-  
411 AM AST THU MAY 24 2018  
   
..SMALL CRAFT SHOULD EXERCISE CAUTION
 
 
   
TODAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
TONIGHT
 
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 8 SECONDS. SCATTERED  
SHOWERS.   
FRIDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
FRIDAY NIGHT
 
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
SATURDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
SUNDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS.  
SCATTERED SHOWERS. ISOLATED THUNDERSTORMS.   
MONDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED  
THUNDERSTORMS. SCATTERED SHOWERS.  
 

 
 
AMZ715-242115-  
COASTAL WATERS OF NORTHERN USVI AND CULEBRA OUT 10 NM-  
411 AM AST THU MAY 24 2018  
   
TODAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
FRIDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
FRIDAY 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.   
SATURDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
SUNDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
MONDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED  
THUNDERSTORMS. SCATTERED SHOWERS.  
 

 
 
AMZ722-242115-  
ANEGADA PASSAGE SOUTHWARD TO 17N-  
411 AM AST THU MAY 24 2018  
   
..SMALL CRAFT SHOULD EXERCISE CAUTION
 
 
   
TODAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
FRIDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
FRIDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
SATURDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS. ISOLATED THUNDERSTORMS.   
SUNDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS. EAST  
SWELL AROUND 4 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
MONDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS.  
NORTHEAST SWELL AROUND 4 FEET. ISOLATED THUNDERSTORMS. SCATTERED  
SHOWERS.  
 

 
 
AMZ725-242115-  
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO OUT  
10 NM-  
411 AM AST THU MAY 24 2018  
   
..SMALL CRAFT SHOULD EXERCISE CAUTION
 
 
   
TODAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
FRIDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
FRIDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
SATURDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
SUNDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS. EAST  
SWELL AROUND 4 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
MONDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED  
THUNDERSTORMS. SCATTERED SHOWERS.  
 

 
 
AMZ732-242115-  
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-  
411 AM AST THU MAY 24 2018  
   
TODAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
FRIDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
FRIDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS.   
SATURDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS. ISOLATED THUNDERSTORMS.   
SUNDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS.  
SOUTHEAST SWELL AROUND 4 FEET. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.   
MONDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS.  
NORTHEAST SWELL AROUND 4 FEET. ISOLATED THUNDERSTORMS. SCATTERED  
SHOWERS.  
 

 
 
AMZ735-242115-  
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-  
411 AM AST THU MAY 24 2018  
   
..SMALL CRAFT SHOULD EXERCISE CAUTION
 
 
   
TODAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 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 THROUGH THE NIGHT.   
FRIDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
FRIDAY 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.   
SATURDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
SUNDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED  
SHOWERS.   
MONDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED  
THUNDERSTORMS, THEN ISOLATED SHOWERS.  
 

 
 
AMZ741-242115-  
MONA PASSAGE SOUTHWARD TO 17N-  
411 AM AST THU MAY 24 2018  
   
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 THROUGH THE DAY.   
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS THROUGH THE NIGHT.   
FRIDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
FRIDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
SATURDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
SUNDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS. EAST  
SWELL AROUND 4 FEET. ISOLATED SHOWERS, THEN ISOLATED  
THUNDERSTORMS.   
MONDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS.  
NORTHEAST SWELL 4 TO 5 FEET. ISOLATED THUNDERSTORMS. SCATTERED  
SHOWERS.  
 

 
 
AMZ742-242115-  
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-  
411 AM AST THU MAY 24 2018  
   
TODAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS.   
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 THROUGH THE NIGHT.   
FRIDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED  
SHOWERS THROUGH THE DAY. ISOLATED THUNDERSTORMS IN THE AFTERNOON.   
FRIDAY 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 THROUGH THE NIGHT.   
SATURDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
THUNDERSTORMS, THEN ISOLATED SHOWERS.   
SUNDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 7 SECONDS. ISOLATED THUNDERSTORMS, THEN ISOLATED SHOWERS.   
MONDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 8 SECONDS. ISOLATED THUNDERSTORMS, THEN ISOLATED SHOWERS.  
 

 
 
AMZ745-242115-  
COASTAL WATERS OF SOUTHWESTERN PUERTO RICO OUT 10 NM-  
411 AM AST THU MAY 24 2018  
   
TODAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 7 SECONDS.   
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 7 SECONDS. ISOLATED SHOWERS.   
FRIDAY
 
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS.   
FRIDAY 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 THROUGH THE NIGHT.   
SATURDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
SUNDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 7 SECONDS. ISOLATED SHOWERS.   
MONDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 7 SECONDS. ISOLATED THUNDERSTORMS, THEN ISOLATED SHOWERS.  
 

 
 
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