Coastal Waters Forecast
Issued by NWS San Juan, PR

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015
FZCA52 TJSJ 180839
CWFSJU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE SAN JUAN PR
439 AM AST WED JAN 18 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.

AMZ700-182115-
439 AM AST WED JAN 18 2017

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
SURFACE HIGH PRESSURE OVER THE SOUTH WESTERN ATLANTIC AND AN AREA
OF LOW PRESSURE ACROSS THE NORTH CENTRAL ATLANTIC WILL PROMOTE
MODERATE TO FRESH EAST TO NORTHEAST WINDS THROUGH TODAY. WINDS
AND SEAS WILL GRADUALLY SUBSIDE THE LATTER PART OF THE WEEK.

$$

AMZ710-182115-
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
439 AM AST WED JAN 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM AST EARLY THIS
MORNING...
.TODAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 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.
.THURSDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 SECONDS.
.THURSDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET
WITH OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS.
ISOLATED SHOWERS.
.FRIDAY...NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. NORTH
SWELL AROUND 4 FEET. ISOLATED SHOWERS.
.SATURDAY...NORTH WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS. NORTH
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 11 SECONDS. NORTH
SWELL 4 TO 5 FEET. ISOLATED SHOWERS.

$$

AMZ712-182115-
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-
439 AM AST WED JAN 18 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION...

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

$$

AMZ715-182115-
COASTAL WATERS OF NORTHERN USVI AND CULEBRA OUT 10 NM-
439 AM AST WED JAN 18 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION...

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

$$

AMZ722-182115-
ANEGADA PASSAGE SOUTHWARD TO 17N-
439 AM AST WED JAN 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM AST EARLY THIS
MORNING...

.TODAY...NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED
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.
.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...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET
WITH OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS.
ISOLATED SHOWERS.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED
SHOWERS.
.SATURDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. NORTH
SWELL AROUND 4 FEET. ISOLATED SHOWERS.
.SUNDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS. NORTH
SWELL 4 TO 5 FEET. ISOLATED SHOWERS.

$$

AMZ725-182115-
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO OUT
10 NM-
439 AM AST WED JAN 18 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED
SHOWERS THROUGH THE DAY.
.TONIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
SHOWERS.
.THURSDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
SHOWERS.
.THURSDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET
WITH OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS.
ISOLATED SHOWERS.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 10 SECONDS. ISOLATED SHOWERS.
.SATURDAY...NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS.
SCATTERED SHOWERS.
.SUNDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED
SHOWERS.

$$

AMZ732-182115-
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
439 AM AST WED JAN 18 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED
SHOWERS THROUGH THE DAY.
.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...EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
SHOWERS.
.THURSDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET
WITH OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS.
ISOLATED SHOWERS.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 10 SECONDS. ISOLATED SHOWERS.
.SATURDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS.
.SUNDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS.
NORTHEAST SWELL AROUND 4 FEET. ISOLATED SHOWERS.

$$

AMZ735-182115-
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
439 AM AST WED JAN 18 2017

...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.
.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
SHOWERS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 7 SECONDS.
.THURSDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 7 SECONDS. ISOLATED SHOWERS.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 FEET OR LESS.
DOMINANT PERIOD 10 SECONDS. ISOLATED SHOWERS.
.SATURDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 10 SECONDS. ISOLATED SHOWERS.
.SUNDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 2 FEET OR LESS. DOMINANT
PERIOD 10 SECONDS. ISOLATED SHOWERS.

$$

AMZ741-182115-
MONA PASSAGE SOUTHWARD TO 17N-
439 AM AST WED JAN 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM AST EARLY THIS
MORNING...

.TODAY...NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED
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 THROUGH THE NIGHT.
.THURSDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
SHOWERS.
.THURSDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET
WITH OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS.
ISOLATED SHOWERS.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 11 SECONDS. NORTH SWELL AROUND 4 FEET. ISOLATED
SHOWERS.
.SATURDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. NORTH
SWELL AROUND 4 FEET. ISOLATED SHOWERS.
.SUNDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS. NORTH
SWELL AROUND 4 FEET. ISOLATED SHOWERS.

$$

AMZ742-182115-
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-
439 AM AST WED JAN 18 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 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 7 SECONDS. ISOLATED
SHOWERS.
.THURSDAY...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 7 SECONDS.
.THURSDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET
WITH OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS.
ISOLATED SHOWERS.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS.
.SATURDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. NORTH
SWELL AROUND 4 FEET. ISOLATED SHOWERS.
.SUNDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS. NORTH
SWELL AROUND 4 FEET. ISOLATED SHOWERS.

$$

AMZ745-182115-
COASTAL WATERS OF SOUTHWESTERN PUERTO RICO OUT 10 NM-
439 AM AST WED JAN 18 2017

.TODAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED
SHOWERS.
.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 7 SECONDS. ISOLATED SHOWERS.
.THURSDAY...EAST WINDS 5 TO 10 KNOTS VEERING SOUTHWEST IN THE
AFTERNOON. SEAS 1 TO 3 FEET. DOMINANT PERIOD 7 SECONDS.
.THURSDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 7 SECONDS. ISOLATED SHOWERS.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS.
.SATURDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED
SHOWERS.
.SUNDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 10 SECONDS. ISOLATED SHOWERS.

$$



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