782  
FZCA52 TJSJ 291454  
CWFSJU  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1054 AM AST WED MAR 29 2017  
 
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.  
 
AMZ700-300330-  
1054 AM AST WED MAR 29 2017  
   
SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS
 
 
A LOW PRESSURE SYSTEM WILL MOVE NORTHEAST INTO THE CENTRAL  
ATLANTIC WHILE A HIGH PRESSURE MOVES ACROSS THE SOUTHWESTERN  
ATLANTIC. THIS WILL ALLOW THE LOCAL WINDS TO GRADUALLY SHIFT FROM  
A NORTHERLY DIRECTION THE REST OF TODAY. WINDS ARE EXPECTED TO  
BECOME FROM THE NORTHEAST BY THE END OF THE WORKWEEK INTO THE  
WEEKEND. A NORTHERLY SWELL IS FORECAST TO REACH THE ATLANTIC  
OFFSHORE WATERS AND CARIBBEAN PASSAGES BY THURSDAY.  
 

 
 
AMZ710-300330-  
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-  
1054 AM AST WED MAR 29 2017  
   
REST OF TODAY
 
NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED  
SHOWERS.   
TONIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED  
SHOWERS THROUGH THE NIGHT.   
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 9 SECONDS. ISOLATED  
SHOWERS.   
THURSDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET  
WITH OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS.  
NORTH SWELL 4 TO 5 FEET AFTER MIDNIGHT. ISOLATED SHOWERS.   
FRIDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS.  
NORTHEAST SWELL 4 TO 5 FEET. ISOLATED SHOWERS.   
SATURDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS. NORTH  
SWELL 4 TO 7 FEET. SCATTERED SHOWERS.   
SUNDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 6 TO 8 FEET WITH  
OCCASIONAL SEAS UP TO 10 FEET. DOMINANT PERIOD 13 SECONDS. NORTH  
SWELL 5 TO 7 FEET. ISOLATED SHOWERS.  
 

 
 
AMZ712-300330-  
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-  
1054 AM AST WED MAR 29 2017  
   
REST OF TODAY
 
NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED  
SHOWERS.   
TONIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED  
SHOWERS.   
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS.  
SCATTERED SHOWERS.   
THURSDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET  
WITH OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS.  
NORTH SWELL 4 TO 5 FEET AFTER MIDNIGHT. ISOLATED SHOWERS.   
FRIDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS.  
NORTHEAST SWELL 4 TO 5 FEET. ISOLATED SHOWERS.   
SATURDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS. NORTH  
SWELL 4 TO 5 FEET. SCATTERED SHOWERS.   
SUNDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 5 TO 7 FEET WITH  
OCCASIONAL SEAS UP TO 9 FEET. DOMINANT PERIOD 13 SECONDS. NORTH  
SWELL 5 TO 6 FEET. ISOLATED SHOWERS.  
 

 
 
AMZ715-300330-  
COASTAL WATERS OF NORTHERN USVI AND CULEBRA OUT 10 NM-  
1054 AM AST WED MAR 29 2017  
   
REST OF TODAY
 
NORTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.  
DOMINANT PERIOD 8 SECONDS. SCATTERED SHOWERS.   
TONIGHT
 
NORTH WINDS AROUND 10 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED  
SHOWERS.   
THURSDAY
 
NORTHEAST WINDS AROUND 10 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS. NORTH  
SWELL AROUND 4 FEET. SCATTERED SHOWERS.   
THURSDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET  
WITH OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS.  
NORTH SWELL 4 TO 5 FEET AFTER MIDNIGHT. ISOLATED SHOWERS.   
FRIDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS. NORTH  
SWELL 4 TO 5 FEET. ISOLATED SHOWERS.   
SATURDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS. NORTH  
SWELL 4 TO 5 FEET. SCATTERED SHOWERS.   
SUNDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS. NORTH  
SWELL 4 TO 6 FEET. SCATTERED SHOWERS.  
 

 
 
AMZ722-300330-  
ANEGADA PASSAGE SOUTHWARD TO 17N-  
1054 AM AST WED MAR 29 2017  
   
REST OF TODAY
 
NORTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.  
DOMINANT PERIOD 8 SECONDS. SCATTERED SHOWERS.   
TONIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS.  
SCATTERED SHOWERS.   
THURSDAY
 
NORTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS. NORTH  
SWELL AROUND 4 FEET. ISOLATED SHOWERS.   
THURSDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET  
WITH OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS.  
NORTH SWELL 4 TO 5 FEET. ISOLATED SHOWERS.   
FRIDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS. NORTH  
SWELL AROUND 5 FEET. SCATTERED SHOWERS.   
SATURDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS. NORTH  
SWELL 4 TO 6 FEET. SCATTERED SHOWERS.   
SUNDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 6 TO 8 FEET WITH  
OCCASIONAL SEAS UP TO 10 FEET. DOMINANT PERIOD 13 SECONDS. NORTH  
SWELL 5 TO 7 FEET. ISOLATED SHOWERS.  
 

 
 
AMZ725-300330-  
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO  
OUT 10 NM-  
1054 AM AST WED MAR 29 2017  
   
REST OF TODAY
 
NORTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.  
DOMINANT PERIOD 7 SECONDS. SCATTERED SHOWERS.   
TONIGHT
 
NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED  
SHOWERS THROUGH THE NIGHT.   
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS.  
SCATTERED SHOWERS.   
THURSDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET  
WITH OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS.  
NORTHEAST SWELL AROUND 4 FEET AFTER MIDNIGHT. ISOLATED SHOWERS.   
FRIDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS.  
NORTHEAST SWELL 4 TO 5 FEET. SCATTERED SHOWERS.   
SATURDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS. EAST  
SWELL AROUND 4 FEET. SCATTERED SHOWERS.   
SUNDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS. EAST  
SWELL AROUND 4 FEET. SCATTERED SHOWERS.  
 

 
 
AMZ732-300330-  
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-  
1054 AM AST WED MAR 29 2017  
   
REST OF TODAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.  
DOMINANT PERIOD 8 SECONDS. ISOLATED SHOWERS.   
TONIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED  
SHOWERS THROUGH THE NIGHT.   
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS. EAST  
SWELL AROUND 4 FEET. ISOLATED SHOWERS.   
THURSDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET  
WITH OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS.  
NORTHEAST SWELL 4 TO 5 FEET. ISOLATED SHOWERS.   
FRIDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS.  
NORTHEAST SWELL 4 TO 5 FEET. SCATTERED SHOWERS.   
SATURDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS.  
SOUTHEAST SWELL 4 TO 5 FEET. SCATTERED SHOWERS.   
SUNDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS. EAST  
SWELL 4 TO 5 FEET. ISOLATED SHOWERS.  
 

 
 
AMZ735-300330-  
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-  
1054 AM AST WED MAR 29 2017  
   
REST OF TODAY
 
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.  
DOMINANT PERIOD 7 SECONDS.   
TONIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.  
DOMINANT PERIOD 7 SECONDS. ISOLATED SHOWERS.   
THURSDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS.   
THURSDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET  
WITH OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS.  
ISOLATED SHOWERS.   
FRIDAY
 
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 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 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT  
PERIOD 10 SECONDS. ISOLATED SHOWERS.  
 

 
 
AMZ741-300330-  
MONA PASSAGE SOUTHWARD TO 17N-  
1054 AM AST WED MAR 29 2017  
   
REST OF TODAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET  
WITH OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS.  
ISOLATED SHOWERS.   
TONIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS. NORTH  
SWELL 4 TO 5 FEET IN THE AFTERNOON. ISOLATED SHOWERS.   
THURSDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET  
WITH OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS.  
NORTH SWELL 4 TO 5 FEET. ISOLATED SHOWERS.   
FRIDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS.  
NORTHEAST SWELL 4 TO 5 FEET. SCATTERED SHOWERS.   
SATURDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS.  
NORTHEAST SWELL 4 TO 5 FEET. ISOLATED SHOWERS.   
SUNDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 5 TO 7 FEET WITH  
OCCASIONAL SEAS UP TO 9 FEET. DOMINANT PERIOD 12 SECONDS. NORTH  
SWELL 4 TO 6 FEET. ISOLATED SHOWERS.  
 

 
 
AMZ742-300330-  
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-  
1054 AM AST WED MAR 29 2017  
   
REST OF TODAY
 
NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
TONIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED  
SHOWERS.   
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS.  
SCATTERED SHOWERS.   
THURSDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET  
WITH OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS.  
NORTH SWELL 4 TO 5 FEET AFTER MIDNIGHT. ISOLATED SHOWERS.   
FRIDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS.  
NORTHEAST SWELL 4 TO 5 FEET. ISOLATED SHOWERS.   
SATURDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS.  
NORTHEAST SWELL AROUND 4 FEET. SCATTERED SHOWERS.   
SUNDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 4 TO 6 FEET WITH  
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS. NORTH  
SWELL 4 TO 6 FEET. ISOLATED SHOWERS.  
 

 
 
AMZ745-300330-  
COASTAL WATERS OF SOUTHWESTERN PUERTO RICO OUT 10 NM-  
1054 AM AST WED MAR 29 2017  
   
REST OF TODAY
 
NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED  
SHOWERS.   
TONIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS.   
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH  
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 SECONDS.   
THURSDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET  
WITH OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS.  
ISOLATED SHOWERS.   
FRIDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS. ISOLATED  
SHOWERS.   
SATURDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED  
SHOWERS.   
SUNDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH  
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS. NORTH  
SWELL AROUND 4 FEET. ISOLATED SHOWERS.  
 

 
 
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