Coastal Waters Forecast
Issued by NWS San Juan, PR

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000
FZCA52 TJSJ 260909 CCA
CWFSJU

COASTAL WATERS FORECAST...CORRECTED
NATIONAL WEATHER SERVICE SAN JUAN PR
509 AM AST WED APR 26 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.

AMZ700-262115-
509 AM AST WED APR 26 2017

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
STRONG SURFACE HIGH PRESSURE IS EXPECTED TO REMAIN ACROSS THE NORTH
CENTRAL ATLANTIC FOR THE REST OF THE WEEK. A SURFACE LOW PRESSURE IS
FORECAST TO MOVE ACROSS THE MID ATLANTIC COAST OF THE UNITED STATES
INTO THE NORTHWEST ATLANTIC THROUGH THE END OF THE WORK WEEK.
THIS WILL HOLD A PLUME OF MOISTURE FROM THE SOUTH OVER THE AREA
BRINGING ISOLATED THUNDERSTORMS. MODERATE TO FRESH SOUTHEASTERLY
WINDS WILL PREVAIL THROUGH THURSDAY...BECOMING MORE EASTERLY
THROUGH THE END OF THE WEEK. SEAS WILL CONTINUE TO DIMINISH AND
REMAIN BELOW 5 FEET FOR MUCH OF THE FORECAST PERIOD.

$$

AMZ710-262115-
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
509 AM AST WED APR 26 2017

.TODAY...SOUTHEAST 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. SCATTERED SHOWERS.
.TONIGHT...EAST 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. ISOLATED SHOWERS.
.THURSDAY...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 SHOWERS.
.THURSDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS.
NORTHEAST SWELL AROUND 4 FEET. ISOLATED SHOWERS.
.FRIDAY...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. SCATTERED SHOWERS. ISOLATED
THUNDERSTORMS.
.SATURDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS. NORTH
SWELL 4 TO 5 FEET. ISOLATED THUNDERSTORMS, THEN ISOLATED SHOWERS.
.SUNDAY...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 SHOWERS.

$$

AMZ712-262115-
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-
509 AM AST WED APR 26 2017

.TODAY...EAST 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. ISOLATED SHOWERS.
.TONIGHT...EAST 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. ISOLATED SHOWERS THROUGH THE NIGHT.
.THURSDAY...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 SHOWERS.
.THURSDAY NIGHT...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 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 10 SECONDS.
NORTHEAST SWELL AROUND 4 FEET. ISOLATED SHOWERS.
.SATURDAY...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 SHOWERS.
.SUNDAY...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 SHOWERS.

$$

AMZ715-262115-
COASTAL WATERS OF NORTHERN USVI AND CULEBRA OUT 10 NM-
509 AM AST WED APR 26 2017

.TODAY...SOUTHEAST 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. SCATTERED SHOWERS.
.TONIGHT...EAST 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. SCATTERED SHOWERS.
.THURSDAY...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 SHOWERS.
.THURSDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. NORTH
SWELL AROUND 4 FEET. SCATTERED SHOWERS.
.FRIDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. NORTH
SWELL AROUND 4 FEET. SCATTERED SHOWERS. ISOLATED THUNDERSTORMS.
.SATURDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS. NORTH
SWELL AROUND 4 FEET. ISOLATED THUNDERSTORMS. SCATTERED SHOWERS.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS. NORTH
SWELL AROUND 4 FEET. SCATTERED SHOWERS.

$$

AMZ722-262115-
ANEGADA PASSAGE SOUTHWARD TO 17N-
509 AM AST WED APR 26 2017

.TODAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 SECONDS. SCATTERED
SHOWERS.
.TONIGHT...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. SCATTERED SHOWERS.
.THURSDAY...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 IN THE AFTERNOON. ISOLATED SHOWERS.
.THURSDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS.
NORTHEAST SWELL AROUND 4 FEET. SCATTERED SHOWERS.
.FRIDAY...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. SCATTERED SHOWERS. ISOLATED
THUNDERSTORMS.
.SATURDAY...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.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS. EAST
SWELL AROUND 4 FEET. SCATTERED SHOWERS.

$$

AMZ725-262115-
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO OUT
10 NM-
509 AM AST WED APR 26 2017

.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 10 SECONDS.
SCATTERED SHOWERS.
.THURSDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS.
.THURSDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. EAST
SWELL AROUND 4 FEET. SCATTERED SHOWERS.
.FRIDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED
SHOWERS. ISOLATED THUNDERSTORMS.
.SATURDAY...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 THUNDERSTORMS. SCATTERED SHOWERS.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS. EAST
SWELL AROUND 4 FEET. SCATTERED SHOWERS.

$$

AMZ732-262115-
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
509 AM AST WED APR 26 2017

.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 10 SECONDS. ISOLATED
SHOWERS.
.THURSDAY...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 IN THE AFTERNOON. ISOLATED SHOWERS.
.THURSDAY NIGHT...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.
.FRIDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS.
NORTHEAST SWELL AROUND 4 FEET. SCATTERED SHOWERS. ISOLATED
THUNDERSTORMS.
.SATURDAY...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 THUNDERSTORMS. 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.
SOUTHEAST SWELL AROUND 4 FEET. SCATTERED SHOWERS.

$$

AMZ735-262115-
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
509 AM AST WED APR 26 2017

.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 THROUGH THE NIGHT.
.THURSDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
SHOWERS.
.THURSDAY NIGHT...EAST WINDS 15 TO 20 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.
.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.

$$

AMZ741-262115-
MONA PASSAGE SOUTHWARD TO 17N-
509 AM AST WED APR 26 2017

.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...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED
SHOWERS THROUGH THE NIGHT.
.THURSDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED
SHOWERS.
.THURSDAY NIGHT...EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 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 10 SECONDS. ISOLATED
SHOWERS.
.SATURDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS.
.SUNDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS.

$$

AMZ742-262115-
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-
509 AM AST WED APR 26 2017

.TODAY...EAST WINDS 5 TO 10 KNOTS BACKING NORTH IN THE AFTERNOON.
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 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. EAST
SWELL AROUND 4 FEET AFTER MIDNIGHT.
.THURSDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS.
NORTHEAST SWELL AROUND 4 FEET. ISOLATED THUNDERSTORMS IN THE
AFTERNOON.
.THURSDAY NIGHT...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.
.FRIDAY...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.
.SATURDAY...NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS.
NORTHEAST SWELL AROUND 4 FEET. ISOLATED THUNDERSTORMS. SCATTERED
SHOWERS.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED
SHOWERS.

$$

AMZ745-262115-
COASTAL WATERS OF SOUTHWESTERN PUERTO RICO OUT 10 NM-
509 AM AST WED APR 26 2017

.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.
.THURSDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 7 SECONDS.
.THURSDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 7 SECONDS.
.FRIDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 7 SECONDS. ISOLATED THUNDERSTORMS. SCATTERED SHOWERS.
.SATURDAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 7 SECONDS. ISOLATED THUNDERSTORMS. SCATTERED
SHOWERS.
.SUNDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 7 SECONDS. SCATTERED SHOWERS.

$$


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