Coastal Waters Forecast
Issued by NWS San Juan, PR

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758
FZCA52 TJSJ 290800
CWFSJU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE SAN JUAN PR
400 AM AST WED MAR 29 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.

AMZ700-292030-
400 AM AST WED MAR 29 2017

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
THE LOCAL WINDS WILL BE LIGHT AND WILL GRADUALLY SHIFT FROM A
NORTHERLY DIRECTION TODAY AS A SURFACE HIGH ACROSS THE SOUTHWEST
ATLANTIC PUSH THE LOW PRESSURE SYSTEM NORTH OF THE ISLANDS RAPIDLY
TO THE NORTHEAST. THE LOW PRESSURE SYSTEM IS EXPECTED TO DEVELOP A
NORTHERLY SWELL, WHICH IS FORECAST TO REACH THE ATLANTIC OFFSHORE
WATERS AND CARIBBEAN PASSAGES BY THURSDAY.

$$

AMZ710-292030-
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
400 AM AST WED MAR 29 2017

.TODAY...NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
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...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 9 SECONDS. ISOLATED
SHOWERS.
.THURSDAY NIGHT...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 11 SECONDS.
NORTHEAST 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. 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.

$$

AMZ712-292030-
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-
400 AM AST WED MAR 29 2017

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

$$

AMZ715-292030-
COASTAL WATERS OF NORTHERN USVI AND CULEBRA OUT 10 NM-
400 AM AST WED MAR 29 2017

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

$$

AMZ722-292030-
ANEGADA PASSAGE SOUTHWARD TO 17N-
400 AM AST WED MAR 29 2017

.TODAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 8 SECONDS. SCATTERED SHOWERS.
.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 12 SECONDS.
SCATTERED SHOWERS.
.THURSDAY...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. SCATTERED SHOWERS.
.THURSDAY NIGHT...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.
.FRIDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL AROUND 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 5 TO 10 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.

$$

AMZ725-292030-
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO OUT
10 NM-
400 AM AST WED MAR 29 2017

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

$$

AMZ732-292030-
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
400 AM AST WED MAR 29 2017

.TODAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 8 SECONDS. SCATTERED SHOWERS.
.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED
SHOWERS.
.THURSDAY...NORTHEAST 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. ISOLATED SHOWERS.
.THURSDAY NIGHT...NORTHEAST WINDS 15 TO 20 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 15 TO 20 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 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS.
SOUTHEAST SWELL 4 TO 5 FEET. SCATTERED SHOWERS.
.SUNDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS. EAST
SWELL 4 TO 5 FEET. ISOLATED SHOWERS.

$$

AMZ735-292030-
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
400 AM AST WED MAR 29 2017

.TODAY...NORTHEAST WINDS 5 TO 10 KNOTS VEERING SOUTHEAST IN THE
AFTERNOON. 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. SCATTERED SHOWERS.
.THURSDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
SHOWERS.
.THURSDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET
WITH OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS.
ISOLATED SHOWERS.
.FRIDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED
SHOWERS.
.SATURDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED
SHOWERS.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 10 SECONDS. ISOLATED SHOWERS.

$$

AMZ741-292030-
MONA PASSAGE SOUTHWARD TO 17N-
400 AM AST WED MAR 29 2017

.TODAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 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.
.THURSDAY...NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS. NORTH
SWELL 4 TO 5 FEET IN THE AFTERNOON. ISOLATED SHOWERS.
.THURSDAY NIGHT...NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS.
NORTH SWELL 4 TO 5 FEET. ISOLATED SHOWERS.
.FRIDAY...EAST WINDS 15 TO 20 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 15 TO 20 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.
.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 6 FEET. ISOLATED SHOWERS.

$$

AMZ742-292030-
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-
400 AM AST WED MAR 29 2017

.TODAY...NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
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.
.THURSDAY...NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED
SHOWERS.
.THURSDAY NIGHT...NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS.
NORTH SWELL 4 TO 5 FEET AFTER MIDNIGHT. ISOLATED SHOWERS.
.FRIDAY...EAST 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.
.SATURDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS.
NORTHEAST 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 12 SECONDS. NORTH
SWELL 4 TO 6 FEET. ISOLATED SHOWERS.

$$

AMZ745-292030-
COASTAL WATERS OF SOUTHWESTERN PUERTO RICO OUT 10 NM-
400 AM AST WED MAR 29 2017

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

$$



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