Coastal Waters Forecast
Issued by NWS San Juan, PR

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000
FZCA52 TJSJ 300810
CWFSJU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE SAN JUAN PR
410 AM AST THU MAR 30 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.

AMZ700-302100-
410 AM AST THU MAR 30 2017

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A SURFACE HIGH WILL CONTINUE TO ESTABLISH NORTH OF THE AREA
MAINTAINING A NORTHEASTERLY WIND FLOW ACROSS THE REGION TODAY,
BECOMING MORE EASTERLY TONIGHT THROUGH THE UPCOMING WEEKEND. A
NORTHERLY SWELL IS FORECAST TO INVADE THE LOCAL ATLANTIC WATERS
TODAY WITH A LARGER NORTHERLY SWELL REACHING THE LOCAL WATERS AND ALL
PASSAGES THE UPCOMING WEEKEND.

$$

AMZ710-302100-
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
410 AM AST THU MAR 30 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 9 SECONDS. ISOLATED
SHOWERS.
.TONIGHT...NORTHEAST WINDS 10 TO 15 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 THROUGH THE NIGHT.
.FRIDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS.
NORTHEAST SWELL AROUND 5 FEET. ISOLATED SHOWERS.
.FRIDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS.
NORTHEAST SWELL 4 TO 5 FEET. ISOLATED SHOWERS.
.SATURDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 5 TO 7 FEET WITH
OCCASIONAL SEAS UP TO 9 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL 4 TO 7 FEET. SCATTERED SHOWERS.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 6 TO 8 FEET WITH
OCCASIONAL SEAS UP TO 10 FEET. DOMINANT PERIOD 13 SECONDS. NORTH
SWELL 5 TO 7 FEET. ISOLATED SHOWERS.
.MONDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 13 SECONDS. NORTH
SWELL 4 TO 5 FEET. ISOLATED SHOWERS.

$$

AMZ712-302100-
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-
410 AM AST THU MAR 30 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 9 SECONDS. ISOLATED
SHOWERS.
.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS. NORTH
SWELL 4 TO 5 FEET AFTER MIDNIGHT. ISOLATED SHOWERS.
.FRIDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS.
NORTHEAST SWELL AROUND 5 FEET. ISOLATED SHOWERS.
.FRIDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS.
NORTHEAST SWELL 4 TO 5 FEET. ISOLATED SHOWERS.
.SATURDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL 4 TO 6 FEET. SCATTERED SHOWERS.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 6 TO 8 FEET WITH
OCCASIONAL SEAS UP TO 10 FEET. DOMINANT PERIOD 13 SECONDS. NORTH
SWELL 4 TO 7 FEET. ISOLATED SHOWERS.
.MONDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL 4 TO 5 FEET. ISOLATED SHOWERS.

$$

AMZ715-302100-
COASTAL WATERS OF NORTHERN USVI AND CULEBRA OUT 10 NM-
410 AM AST THU MAR 30 2017

.TODAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL AROUND 4 FEET IN THE AFTERNOON. ISOLATED SHOWERS.
.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL 4 TO 5 FEET. ISOLATED SHOWERS.
.FRIDAY...EAST WINDS 10 TO 15 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.
.FRIDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS. NORTH
SWELL 4 TO 5 FEET. SCATTERED SHOWERS.
.SATURDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL 4 TO 6 FEET. SCATTERED SHOWERS.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 5 TO 7 FEET WITH
OCCASIONAL SEAS UP TO 9 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL 4 TO 7 FEET. SCATTERED SHOWERS.
.MONDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL 4 TO 5 FEET. ISOLATED SHOWERS.

$$

AMZ722-302100-
ANEGADA PASSAGE SOUTHWARD TO 17N-
410 AM AST THU MAR 30 2017

.TODAY...NORTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL AROUND 4 FEET. ISOLATED SHOWERS.
.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL 4 TO 5 FEET. ISOLATED SHOWERS.
.FRIDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL AROUND 5 FEET. ISOLATED SHOWERS.
.FRIDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS. NORTH
SWELL 4 TO 5 FEET. SCATTERED SHOWERS.
.SATURDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL 4 TO 6 FEET. SCATTERED SHOWERS.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 5 TO 7 FEET WITH
OCCASIONAL SEAS UP TO 9 FEET. DOMINANT PERIOD 13 SECONDS. NORTH
SWELL 5 TO 7 FEET. SCATTERED SHOWERS.
.MONDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 13 SECONDS. NORTH
SWELL 4 TO 5 FEET. ISOLATED SHOWERS.

$$

AMZ725-302100-
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO OUT
10 NM-
410 AM AST THU MAR 30 2017

.TODAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED
SHOWERS.
.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS.
NORTHEAST SWELL 4 TO 5 FEET. ISOLATED SHOWERS.
.FRIDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS.
NORTHEAST SWELL 4 TO 5 FEET. ISOLATED SHOWERS.
.FRIDAY NIGHT...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.
.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 4 TO 5 FEET. SCATTERED SHOWERS.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS. EAST
SWELL 4 TO 5 FEET. SCATTERED SHOWERS.
.MONDAY...EAST 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. ISOLATED SHOWERS.

$$

AMZ732-302100-
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
410 AM AST THU MAR 30 2017

.TODAY...NORTHEAST 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 IN THE AFTERNOON. ISOLATED SHOWERS.
.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS.
NORTHEAST SWELL 4 TO 5 FEET. ISOLATED SHOWERS.
.FRIDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS.
NORTHEAST SWELL 4 TO 5 FEET. ISOLATED SHOWERS.
.FRIDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS.
NORTHEAST SWELL 4 TO 5 FEET. SCATTERED SHOWERS.
.SATURDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS.
SOUTHEAST SWELL 4 TO 5 FEET. SCATTERED SHOWERS.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS. EAST
SWELL 4 TO 6 FEET. ISOLATED SHOWERS.
.MONDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS.
NORTHEAST SWELL 4 TO 5 FEET. ISOLATED SHOWERS.

$$

AMZ735-302100-
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
410 AM AST THU MAR 30 2017

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

$$

AMZ741-302100-
MONA PASSAGE SOUTHWARD TO 17N-
410 AM AST THU MAR 30 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 10 SECONDS. NORTH
SWELL AROUND 4 FEET IN THE AFTERNOON. ISOLATED SHOWERS.
.TONIGHT...NORTHEAST WINDS 10 TO 15 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 THROUGH THE NIGHT.
.FRIDAY...NORTHEAST WINDS 10 TO 15 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 THROUGH THE DAY.
.FRIDAY NIGHT...EAST WINDS 10 TO 15 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.
.SATURDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS.
NORTHEAST SWELL 4 TO 5 FEET. ISOLATED SHOWERS.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 5 TO 7 FEET WITH
OCCASIONAL SEAS UP TO 9 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL 4 TO 7 FEET. ISOLATED SHOWERS.
.MONDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL 4 TO 5 FEET. ISOLATED SHOWERS.

$$

AMZ742-302100-
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-
410 AM AST THU MAR 30 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 10 SECONDS. ISOLATED
SHOWERS.
.TONIGHT...NORTHEAST WINDS 10 TO 15 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 THROUGH THE NIGHT.
.FRIDAY...NORTHEAST WINDS 10 TO 15 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 THROUGH THE DAY.
.FRIDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS.
NORTHEAST SWELL 4 TO 5 FEET. ISOLATED SHOWERS.
.SATURDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS.
NORTHEAST SWELL 4 TO 5 FEET. SCATTERED SHOWERS.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 13 SECONDS. NORTH
SWELL 4 TO 6 FEET. ISOLATED SHOWERS.
.MONDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL 4 TO 5 FEET. ISOLATED SHOWERS.

$$

AMZ745-302100-
COASTAL WATERS OF SOUTHWESTERN PUERTO RICO OUT 10 NM-
410 AM AST THU MAR 30 2017

.TODAY...NORTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 SECONDS.
.TONIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS.
.FRIDAY...EAST WINDS 5 TO 10 KNOTS VEERING WEST IN THE AFTERNOON.
SEAS 2 TO 4 FEET WITH OCCASIONAL SEAS UP TO 5 FEET. DOMINANT
PERIOD 12 SECONDS.
.FRIDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED
SHOWERS.
.SATURDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS.
NORTHWEST 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 12 SECONDS. NORTH
SWELL 4 TO 5 FEET. ISOLATED SHOWERS.
.MONDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 11 SECONDS. ISOLATED SHOWERS.

$$



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