Coastal Waters Forecast
Issued by NWS San Juan, PR

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000
FZCA52 TJSJ 310812
CWFSJU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE SAN JUAN PR
412 AM AST FRI JUL 31 2015

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.

AMZ700-312115-
412 AM AST FRI JUL 31 2015

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
SURFACE HIGH PRESSURE EXTENDING ACROSS THE SOUTHWEST AND CENTRAL
ATLANTIC...WILL MAINTAIN MODERATE TO LOCALLY FRESH TRADE WINDS FOR
THE REST OF THE WEEK. A TROPICAL WAVE ACROSS HISPANIOLA WILL MOVE
WESTWARD ACROSS THE CENTRAL CARIBBEAN TONIGHT. THIS FEATURE WILL
INTERACT WITH AN UPPER LEVEL LOW WHICH WILL INCREASE THE CHANCE
FOR SHOWERS AND THUNDERSTORM DEVELOPMENT ACROSS THE REGIONAL
WATERS.

$$

AMZ710-312115-
ATLC WATERS OF PUERTO RICO AND USVI FROM 10NM TO 19.5N-
412 AM AST FRI JUL 31 2015

...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 8 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. ISOLATED SHOWERS.
.SATURDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED SHOWERS.
.SATURDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS. 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. ISOLATED SHOWERS.
.MONDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 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. ISOLATED SHOWERS.

$$

AMZ712-312115-
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-
412 AM AST FRI JUL 31 2015

...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 8 SECONDS. SCATTERED SHOWERS
THROUGH THE DAY. ISOLATED THUNDERSTORMS IN THE AFTERNOON.
.TONIGHT...EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
THUNDERSTORMS IN THE EVENING. SCATTERED SHOWERS THROUGH THE NIGHT.
.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.
.SATURDAY 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.
.SUNDAY...EAST WINDS 15 TO 20 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 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED SHOWERS.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED SHOWERS.

$$

AMZ715-312115-
COASTAL WATERS OF NORTHERN USVI AND CULEBRA OUT 10 NM-
412 AM AST FRI JUL 31 2015

.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
AND ISOLATED THUNDERSTORMS.
.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.
.SATURDAY...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 NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED SHOWERS.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. SCATTERED SHOWERS.
.MONDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. SCATTERED SHOWERS.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED SHOWERS.

$$

AMZ722-312115-
ANEGADA PASSAGE SOUTHWARD TO 17N-
412 AM AST FRI JUL 31 2015

...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
THUNDERSTORMS IN THE MORNING. SCATTERED SHOWERS THROUGH THE DAY.
.TONIGHT...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 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED SHOWERS.
.SATURDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 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. SCATTERED SHOWERS.
.MONDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 8 SECONDS. 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 8 SECONDS. ISOLATED
THUNDERSTORMS. SCATTERED SHOWERS.

$$

AMZ725-312115-
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO OUT
10 NM-
412 AM AST FRI JUL 31 2015

.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
AND ISOLATED THUNDERSTORMS.
.TONIGHT...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 EVENING...THEN ISOLATED SHOWERS AFTER MIDNIGHT.
.SATURDAY...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 NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 SECONDS. 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. SCATTERED SHOWERS.
.MONDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS. SCATTERED SHOWERS.
.TUESDAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED SHOWERS.

$$

AMZ732-312115-
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
412 AM AST FRI JUL 31 2015

...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. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS.
.TONIGHT...EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
THUNDERSTORMS IN THE EVENING. SCATTERED SHOWERS THROUGH THE NIGHT.
.SATURDAY...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 NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS. 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. SCATTERED SHOWERS.
.MONDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS. SCATTERED SHOWERS...
THEN ISOLATED THUNDERSTORMS.
.TUESDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED SHOWERS.

$$

AMZ735-312115-
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
412 AM AST FRI JUL 31 2015

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS.
.TONIGHT...EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
THUNDERSTORMS IN THE EVENING. SCATTERED 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.
.SATURDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS. 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. ISOLATED SHOWERS.
.MONDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED SHOWERS.

$$

AMZ741-312115-
MONA PASSAGE SOUTHWARD TO 17N-
412 AM AST FRI JUL 31 2015

...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 8 SECONDS. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS.
.TONIGHT...EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
THUNDERSTORMS IN THE EVENING. SCATTERED SHOWERS THROUGH THE NIGHT.
.SATURDAY...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 NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 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. ISOLATED SHOWERS.
.MONDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED SHOWERS.
.TUESDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED SHOWERS.

$$

AMZ742-312115-
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-
412 AM AST FRI JUL 31 2015

.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 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
THUNDERSTORMS IN THE EVENING. SCATTERED SHOWERS THROUGH THE NIGHT.
.SATURDAY...NORTHEAST 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.
.SATURDAY NIGHT...EAST 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 EVENING...THEN ISOLATED SHOWERS AFTER MIDNIGHT.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 7 SECONDS. ISOLATED THUNDERSTORMS...THEN ISOLATED SHOWERS.
.MONDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
THUNDERSTORMS. SCATTERED SHOWERS.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 8 SECONDS. ISOLATED THUNDERSTORMS.

$$

AMZ745-312115-
COASTAL WATERS OF SOUTHWESTERN PUERTO RICO OUT 10 NM-
412 AM AST FRI JUL 31 2015

.TODAY...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.
.TONIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 7 SECONDS. ISOLATED THUNDERSTORMS IN THE EVENING. 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 IN
THE MORNING...THEN ISOLATED THUNDERSTORMS IN THE AFTERNOON.
.SATURDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 7 SECONDS. ISOLATED THUNDERSTORMS IN THE EVENING...THEN
ISOLATED SHOWERS AFTER MIDNIGHT.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 7 SECONDS. ISOLATED THUNDERSTORMS...THEN ISOLATED SHOWERS.
.MONDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 7 SECONDS. ISOLATED THUNDERSTORMS. SCATTERED SHOWERS.
.TUESDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 7 SECONDS. ISOLATED THUNDERSTORMS...THEN ISOLATED SHOWERS.

$$


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