Coastal Waters Forecast
Issued by NWS San Juan, PR

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000
FZCA52 TJSJ 211442
CWFSJU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE SAN JUAN PR
1042 AM AST TUE APR 21 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.

AMZ700-220315-
1042 AM AST TUE APR 21 2015

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
SURFACE HIGH PRESSURE ACROSS THE CENTRAL ATLANTIC WILL MAINTAIN
MODERATE TRADE WINDS THROUGH THE END OF THE WEEK. LONG PERIOD
NORTH NORTHEAST SWELLS WILL ARRIVE ON THE ATLANTIC COAST THURSDAY
NIGHT.

$$

AMZ710-220315-
ATLC WATERS OF PUERTO RICO AND USVI FROM 10NM TO 19.5N-
1042 AM AST TUE APR 21 2015

.REST OF TODAY...EAST WINDS AROUND 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS.
.TONIGHT...EAST WINDS AROUND 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 13 SECONDS. ISOLATED SHOWERS.
.WEDNESDAY...EAST WINDS AROUND 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED SHOWERS
THROUGH THE DAY.
.WEDNESDAY NIGHT...EAST WINDS AROUND 15 KNOTS. SEAS 3 TO 5 FEET
WITH OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
SHOWERS.
.THURSDAY...EAST WINDS AROUND 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 13 SECONDS. NORTHEAST SWELL
AROUND 4 FEET. ISOLATED SHOWERS.
.FRIDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 14 SECONDS. NORTHEAST SWELL
AROUND 4 FEET. ISOLATED SHOWERS.
.SATURDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS.

$$

AMZ712-220315-
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-
1042 AM AST TUE APR 21 2015

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...EAST WINDS AROUND 20 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS.
.TONIGHT...EAST WINDS AROUND 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 13 SECONDS. ISOLATED SHOWERS.
.WEDNESDAY...EAST WINDS AROUND 20 KNOTS. SEAS 2 FEET OR LESS.
DOMINANT PERIOD 6 SECONDS. ISOLATED SHOWERS.
.WEDNESDAY NIGHT...EAST WINDS AROUND 20 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 6 SECONDS. ISOLATED SHOWERS.
.THURSDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 14 SECONDS. NORTHEAST SWELL
AROUND 4 FEET. ISOLATED SHOWERS.
.FRIDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS. NORTHEAST SWELL UP
TO 4 FEET. ISOLATED THUNDERSTORMS...THEN ISOLATED SHOWERS.
.SATURDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 11 SECONDS. ISOLATED THUNDERSTORMS...THEN ISOLATED SHOWERS.

$$

AMZ715-220315-
COASTAL WATERS OF NORTHERN USVI AND CULEBRA OUT 10 NM-
1042 AM AST TUE APR 21 2015

.REST OF TODAY...EAST WINDS AROUND 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS
THROUGH THE DAY.
.TONIGHT...EAST WINDS AROUND 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 11 SECONDS. ISOLATED SHOWERS.
.WEDNESDAY...EAST WINDS AROUND 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 6 SECONDS. ISOLATED SHOWERS.
.WEDNESDAY NIGHT...EAST WINDS AROUND 15 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 7 SECONDS. ISOLATED SHOWERS.
.THURSDAY...EAST WINDS AROUND 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 13 SECONDS. NORTH SWELL UP TO
4 FEET. ISOLATED SHOWERS.
.FRIDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS. NORTH SWELL UP TO
4 FEET. ISOLATED SHOWERS.
.SATURDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS.

$$

AMZ722-220315-
ANEGADA PASSAGE SOUTHWARD TO 17N-
1042 AM AST TUE APR 21 2015

.REST OF TODAY...EAST WINDS AROUND 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS.
.TONIGHT...EAST WINDS AROUND 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 13 SECONDS. ISOLATED SHOWERS.
.WEDNESDAY...EAST WINDS AROUND 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 6 SECONDS. ISOLATED SHOWERS.
.WEDNESDAY NIGHT...EAST WINDS AROUND 15 KNOTS. SEAS 2 TO 4 FEET
WITH OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 6 SECONDS. ISOLATED
SHOWERS.
.THURSDAY...EAST WINDS AROUND 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 13 SECONDS. NORTH SWELL AROUND
4 FEET. SCATTERED SHOWERS.
.FRIDAY...EAST WINDS AROUND 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 14 SECONDS. NORTH SWELL AROUND
4 FEET. SCATTERED SHOWERS.
.SATURDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS. SCATTERED SHOWERS.

$$

AMZ725-220315-
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO OUT
10 NM-
1042 AM AST TUE APR 21 2015

.REST OF TODAY...EAST WINDS AROUND 15 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 6 SECONDS. ISOLATED SHOWERS THROUGH THE DAY.
.TONIGHT...EAST WINDS AROUND 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 6 SECONDS. ISOLATED SHOWERS.
.WEDNESDAY...EAST WINDS AROUND 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 3 SECONDS. ISOLATED SHOWERS.
.WEDNESDAY NIGHT...EAST WINDS AROUND 15 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 3 SECONDS. ISOLATED SHOWERS.
.THURSDAY...EAST WINDS AROUND 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 8 SECONDS. ISOLATED SHOWERS.
.FRIDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED SHOWERS.
.SATURDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 6 SECONDS. ISOLATED SHOWERS.

$$

AMZ732-220315-
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
1042 AM AST TUE APR 21 2015

.REST OF TODAY...EAST WINDS AROUND 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS
THROUGH THE DAY.
.TONIGHT...EAST WINDS AROUND 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS.
.WEDNESDAY...EAST WINDS AROUND 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 6 SECONDS. ISOLATED SHOWERS
THROUGH THE DAY.
.WEDNESDAY NIGHT...EAST WINDS AROUND 15 KNOTS. SEAS 2 TO 4 FEET
WITH OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 6 SECONDS. ISOLATED
SHOWERS.
.THURSDAY...EAST WINDS AROUND 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 13 SECONDS. NORTHEAST SWELL UP
TO 4 FEET. ISOLATED SHOWERS.
.FRIDAY...EAST WINDS AROUND 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS. NORTHEAST SWELL UP
TO 4 FEET. ISOLATED SHOWERS.
.SATURDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS.

$$

AMZ735-220315-
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
1042 AM AST TUE APR 21 2015

.REST OF TODAY...EAST WINDS AROUND 15 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 3 SECONDS. ISOLATED SHOWERS THROUGH THE DAY.
.TONIGHT...EAST WINDS AROUND 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 3 SECONDS. ISOLATED SHOWERS.
.WEDNESDAY...EAST WINDS AROUND 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 3 SECONDS. ISOLATED SHOWERS.
.WEDNESDAY NIGHT...EAST WINDS AROUND 15 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 3 SECONDS. ISOLATED SHOWERS.
.THURSDAY...EAST WINDS AROUND 15 KNOTS. SEAS 2 FEET OR LESS. DOMINANT
PERIOD 3 SECONDS. ISOLATED SHOWERS.
.FRIDAY...EAST WINDS AROUND 10 KNOTS. SEAS 2 FEET OR LESS. DOMINANT
PERIOD 4 SECONDS. ISOLATED SHOWERS.
.SATURDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 FEET OR LESS.
DOMINANT PERIOD 5 SECONDS. ISOLATED SHOWERS.

$$

AMZ741-220315-
MONA PASSAGE SOUTHWARD TO 17N-
1042 AM AST TUE APR 21 2015

.REST OF TODAY...EAST WINDS AROUND 15 KNOTS. 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 AROUND 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS
THROUGH THE NIGHT.
.WEDNESDAY...EAST WINDS AROUND 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 6 SECONDS. ISOLATED SHOWERS
THROUGH THE DAY.
.WEDNESDAY NIGHT...EAST WINDS AROUND 15 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 6 SECONDS. ISOLATED SHOWERS.
.THURSDAY...EAST WINDS AROUND 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 13 SECONDS. NORTHEAST SWELL UP
TO 4 FEET. ISOLATED SHOWERS.
.FRIDAY...SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS. NORTHEAST SWELL UP
TO 4 FEET. ISOLATED SHOWERS.
.SATURDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS.

$$

AMZ742-220315-
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-
1042 AM AST TUE APR 21 2015

.REST OF TODAY...NORTHEAST WINDS AROUND 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 11 SECONDS. ISOLATED THUNDERSTORMS IN THE AFTERNOON.
.TONIGHT...EAST WINDS AROUND 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 11 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
.WEDNESDAY...NORTHEAST WINDS AROUND 10 KNOTS. SEAS 2 FEET OR LESS.
DOMINANT PERIOD 10 SECONDS.
.WEDNESDAY NIGHT...EAST WINDS AROUND 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 10 SECONDS. SCATTERED SHOWERS.
.THURSDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 13 SECONDS. NORTHEAST SWELL UP
TO 4 FEET. ISOLATED SHOWERS.
.FRIDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS. NORTHEAST SWELL UP
TO 4 FEET. ISOLATED THUNDERSTORMS. SCATTERED SHOWERS.
.SATURDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS.

$$

AMZ745-220315-
COASTAL WATERS OF SOUTHWESTERN PUERTO RICO OUT 10 NM-
1042 AM AST TUE APR 21 2015

.REST OF TODAY...EAST WINDS AROUND 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 10 SECONDS. ISOLATED THUNDERSTORMS IN THE AFTERNOON.
.TONIGHT...EAST WINDS AROUND 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 6 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
.WEDNESDAY...EAST WINDS AROUND 10 KNOTS. SEAS 2 FEET OR LESS.
DOMINANT PERIOD 6 SECONDS.
.WEDNESDAY NIGHT...EAST WINDS AROUND 10 KNOTS. SEAS 2 FEET OR LESS.
DOMINANT PERIOD 6 SECONDS. ISOLATED SHOWERS.
.THURSDAY...EAST WINDS AROUND 10 KNOTS. SEAS 2 FEET OR LESS. DOMINANT
PERIOD 14 SECONDS. ISOLATED SHOWERS.
.FRIDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 FEET OR LESS.
DOMINANT PERIOD 13 SECONDS. ISOLATED SHOWERS.
.SATURDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 FEET OR LESS.
DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS.

$$



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