Coastal Waters Forecast
Issued by NWS San Juan, PR

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000
FZCA52 TJSJ 260825
CWFSJU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE SAN JUAN PR
425 AM AST FRI AUG 26 2016

PUERTO RICO AND 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.

AMZ700-262045-
425 AM AST FRI AUG 26 2016

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
TROPICAL CYCLONE GASTON WILL CONTINUE TO MOVE TO THE NORTHWEST
ACROSS THE OPEN ATLANTIC WATERS FOR THE NEXT SEVERAL DAYS. A SMALL
BUT LONG DOMINANT PERIOD EASTERLY SWELL ASSOCIATED TO GASTON WILL
ENTER THE LOCAL WATERS ON SATURDAY. HOWEVER...SEAS SHOULD REMAIN
BELOW 6 FEET THROUGH THE FORECAST PERIOD. A GENTLE TO MODERATE
EAST TO SOUTHEASTERLY WIND FLOW IS EXPECTED THROUGH THE WEEKEND...
BECOMING MORE EASTERLY BY EARLY NEXT WEEK.

$$

AMZ710-262045-
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
425 AM AST FRI AUG 26 2016

.TODAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
THUNDERSTORMS IN THE MORNING. SCATTERED SHOWERS THROUGH THE DAY.
.TONIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS.
SCATTERED SHOWERS THROUGH THE NIGHT. ISOLATED THUNDERSTORMS AFTER
MIDNIGHT.
.SATURDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 13 SECONDS. EAST
SWELL AROUND 4 FEET. ISOLATED THUNDERSTORMS IN THE MORNING.
SCATTERED SHOWERS THROUGH THE DAY.
.SATURDAY NIGHT...SOUTHEAST 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. ISOLATED THUNDERSTORMS THROUGH THE
NIGHT. SCATTERED SHOWERS AFTER MIDNIGHT.
.SUNDAY...SOUTHEAST 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. ISOLATED THUNDERSTORMS. SCATTERED SHOWERS.
.MONDAY...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. ISOLATED
THUNDERSTORMS.
.TUESDAY...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...THEN
ISOLATED SHOWERS.

$$

AMZ712-262045-
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-
425 AM AST FRI AUG 26 2016

.TODAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
THUNDERSTORMS IN THE MORNING...THEN SCATTERED SHOWERS IN THE
AFTERNOON.
.TONIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
SHOWERS.
.SATURDAY...EAST 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 IN THE AFTERNOON. SCATTERED SHOWERS THROUGH
THE DAY. ISOLATED THUNDERSTORMS IN THE AFTERNOON.
.SATURDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET
WITH OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 13 SECONDS.
EAST SWELL AROUND 4 FEET. ISOLATED THUNDERSTORMS IN THE
EVENING...THEN ISOLATED SHOWERS AFTER MIDNIGHT.
.SUNDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. EAST
SWELL AROUND 4 FEET. 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.
.TUESDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED
SHOWERS.

$$

AMZ715-262045-
COASTAL WATERS OF NORTHERN USVI AND CULEBRA OUT 10 NM-
425 AM AST FRI AUG 26 2016

.TODAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
THUNDERSTORMS IN THE MORNING. SCATTERED SHOWERS THROUGH THE DAY.
.TONIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 12 SECONDS. ISOLATED SHOWERS.
.SATURDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS.
NORTHEAST SWELL AROUND 4 FEET IN THE AFTERNOON. SCATTERED SHOWERS.
.SATURDAY NIGHT...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 5
FEET WITH OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12
SECONDS. NORTHEAST SWELL AROUND 4 FEET. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS.
.SUNDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS.
NORTHEAST SWELL AROUND 4 FEET. ISOLATED THUNDERSTORMS. SCATTERED
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. SCATTERED SHOWERS.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS.
SCATTERED SHOWERS.

$$

AMZ722-262045-
ANEGADA PASSAGE SOUTHWARD TO 17N-
425 AM AST FRI AUG 26 2016

.TODAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
THUNDERSTORMS IN THE MORNING. SCATTERED SHOWERS THROUGH THE DAY.
.TONIGHT...EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS. ISOLATED
SHOWERS.
.SATURDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 13 SECONDS. EAST
SWELL AROUND 4 FEET IN THE AFTERNOON. ISOLATED SHOWERS.
.SATURDAY NIGHT...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 5
FEET WITH OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11
SECONDS. EAST SWELL AROUND 4 FEET. ISOLATED SHOWERS.
.SUNDAY...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. 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
SHOWERS.
.TUESDAY...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.

$$

AMZ725-262045-
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO OUT
10 NM-
425 AM AST FRI AUG 26 2016

.TODAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
THUNDERSTORMS IN THE MORNING. SCATTERED SHOWERS THROUGH THE DAY.
.TONIGHT...EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS. ISOLATED
SHOWERS.
.SATURDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS.
SOUTHEAST SWELL AROUND 4 FEET. SCATTERED SHOWERS.
.SATURDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET
WITH OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS.
EAST SWELL AROUND 4 FEET. SCATTERED SHOWERS THROUGH THE NIGHT.
ISOLATED THUNDERSTORMS AFTER MIDNIGHT.
.SUNDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS. EAST
SWELL AROUND 4 FEET. SCATTERED 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.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS.
SCATTERED SHOWERS.

$$

AMZ732-262045-
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
425 AM AST FRI AUG 26 2016

.TODAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
THUNDERSTORMS IN THE MORNING. SCATTERED SHOWERS THROUGH THE DAY.
.TONIGHT...EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS. ISOLATED
SHOWERS.
.SATURDAY...EAST WINDS AROUND 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS.
SCATTERED SHOWERS.
.SATURDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET
WITH OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS.
ISOLATED SHOWERS.
.SUNDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 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...THEN ISOLATED SHOWERS.
.TUESDAY...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.

$$

AMZ735-262045-
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
425 AM AST FRI AUG 26 2016

.TODAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
THUNDERSTORMS IN THE MORNING. SCATTERED SHOWERS THROUGH THE DAY.
.TONIGHT...EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 7 SECONDS. ISOLATED SHOWERS.
.SATURDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS.
SCATTERED SHOWERS.
.SATURDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED
SHOWERS.
.SUNDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 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 8 SECONDS. ISOLATED
THUNDERSTORMS. SCATTERED SHOWERS.
.TUESDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS.

$$

AMZ741-262045-
MONA PASSAGE SOUTHWARD TO 17N-
425 AM AST FRI AUG 26 2016

.TODAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED
SHOWERS.
.TONIGHT...SOUTHEAST 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 NIGHT.
.SATURDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
SHOWERS.
.SATURDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED
THUNDERSTORMS THROUGH THE NIGHT. SCATTERED SHOWERS AFTER MIDNIGHT.
.SUNDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED
THUNDERSTORMS. SCATTERED SHOWERS.
.MONDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. EAST
SWELL AROUND 4 FEET. ISOLATED THUNDERSTORMS. SCATTERED SHOWERS.
.TUESDAY...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.

$$

AMZ742-262045-
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-
425 AM AST FRI AUG 26 2016

.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 THROUGH THE DAY. ISOLATED THUNDERSTORMS IN THE AFTERNOON.
.TONIGHT...EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 8 SECONDS. SCATTERED SHOWERS.
.SATURDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 12 SECONDS. ISOLATED THUNDERSTORMS IN THE AFTERNOON.
.SATURDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 12 SECONDS. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
.SUNDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 12 SECONDS. ISOLATED THUNDERSTORMS. SCATTERED SHOWERS.
.MONDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 10 SECONDS. ISOLATED THUNDERSTORMS. SCATTERED SHOWERS.
.TUESDAY...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.

$$

AMZ745-262045-
COASTAL WATERS OF SOUTHWESTERN PUERTO RICO OUT 10 NM-
425 AM AST FRI AUG 26 2016

.TODAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 7 SECONDS. ISOLATED SHOWERS.
.TONIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 7 SECONDS. ISOLATED SHOWERS.
.SATURDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 7 SECONDS.
.SATURDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 7 SECONDS. ISOLATED SHOWERS THROUGH THE NIGHT.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 7 SECONDS. SCATTERED SHOWERS.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 7 SECONDS. SCATTERED SHOWERS.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 8 SECONDS. ISOLATED SHOWERS.

$$



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