Coastal Waters Forecast
Issued by NWS San Juan, PR

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000
FZCA52 TJSJ 210845
CWFSJU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE SAN JUAN PR
445 AM AST SAT JAN 21 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.

AMZ700-212115-
445 AM AST SAT JAN 21 2017

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A SURFACE HIGH PRESSURE NORTH OF THE LOCAL ISLANDS WILL CONTINUE
TO PROMOTE A GENTLE NORTH TO NORTHEAST WIND FLOW THROUGH AT LEAST
EARLY NEXT WEEK. A SOUTHERLY WIND FLOW IS EXPECTED TO PREVAIL
MONDAY AND TUESDAY. NORTHERLY WINDS WILL RETURN BY MIDWEEK NEXT
WEEK AS A SURFACE HIGH BUILDS ACROSS THE WESTERN AND CENTRAL
ATLANTIC.

$$

AMZ710-212115-
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
445 AM AST SAT JAN 21 2017

.TODAY...NORTH WINDS 5 TO 10 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.
.TONIGHT...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. ISOLATED SHOWERS.
.SUNDAY...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. ISOLATED SHOWERS.
.SUNDAY NIGHT...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 5 FEET. ISOLATED SHOWERS.
.MONDAY...SOUTH 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.
.TUESDAY...WEST 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. ISOLATED SHOWERS.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 11 SECONDS.
NORTHWEST SWELL 4 TO 5 FEET. ISOLATED SHOWERS.

$$

AMZ712-212115-
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-
445 AM AST SAT JAN 21 2017

.TODAY...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.
.TONIGHT...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 AFTER MIDNIGHT. SCATTERED SHOWERS.
.SUNDAY...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 NIGHT...SOUTHEAST 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.
.MONDAY...SOUTH 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.
.TUESDAY...WEST 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.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 10 SECONDS.
NORTHWEST SWELL AROUND 4 FEET. SCATTERED SHOWERS.

$$

AMZ715-212115-
COASTAL WATERS OF NORTHERN USVI AND CULEBRA OUT 10 NM-
445 AM AST SAT JAN 21 2017

.TODAY...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.
.TONIGHT...NORTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS.
SCATTERED SHOWERS.
.SUNDAY...NORTHEAST 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.
.SUNDAY NIGHT...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 5 FEET. ISOLATED SHOWERS.
.MONDAY...SOUTHEAST 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.
.TUESDAY...WEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. NORTH
SWELL AROUND 4 FEET. SCATTERED SHOWERS.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS.
NORTHWEST SWELL 4 TO 5 FEET. SCATTERED SHOWERS.

$$

AMZ722-212115-
ANEGADA PASSAGE SOUTHWARD TO 17N-
445 AM AST SAT JAN 21 2017

.TODAY...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. ISOLATED SHOWERS THROUGH THE DAY.
.TONIGHT...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...EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS. ISOLATED
SHOWERS.
.SUNDAY NIGHT...EAST WINDS 5 TO 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.
.MONDAY...SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL 4 TO 5 FEET. SCATTERED SHOWERS.
.TUESDAY...SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS. NORTH
SWELL AROUND 4 FEET. SCATTERED SHOWERS.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS.
SCATTERED SHOWERS.

$$

AMZ725-212115-
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO OUT
10 NM-
445 AM AST SAT JAN 21 2017

.TODAY...NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS.
NORTHEAST SWELL AROUND 4 FEET. SCATTERED SHOWERS.
.TONIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS.
SCATTERED SHOWERS.
.SUNDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS.
SCATTERED SHOWERS.
.SUNDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS.
NORTHEAST SWELL AROUND 4 FEET AFTER MIDNIGHT. ISOLATED SHOWERS.
.MONDAY...SOUTHEAST 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.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS.
SCATTERED SHOWERS.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 11 SECONDS. SCATTERED SHOWERS.

$$

AMZ732-212115-
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
445 AM AST SAT JAN 21 2017

.TODAY...NORTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 10 SECONDS. ISOLATED SHOWERS THROUGH THE DAY.
.TONIGHT...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 1 TO 3 FEET. DOMINANT
PERIOD 12 SECONDS. ISOLATED SHOWERS.
.SUNDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS.
NORTHEAST SWELL AROUND 4 FEET AFTER MIDNIGHT. ISOLATED SHOWERS.
.MONDAY...SOUTHEAST WINDS 5 TO 10 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.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS.
SOUTHEAST SWELL AROUND 4 FEET. SCATTERED SHOWERS.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS.
SCATTERED SHOWERS.

$$

AMZ735-212115-
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
445 AM AST SAT JAN 21 2017

.TODAY...NORTH WINDS 5 TO 10 KNOTS BACKING SOUTHWEST IN THE
AFTERNOON. SEAS 2 TO 4 FEET WITH OCCASIONAL SEAS UP TO 5 FEET.
DOMINANT PERIOD 10 SECONDS. ISOLATED SHOWERS THROUGH THE DAY.
.TONIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS.
.SUNDAY...NORTHEAST WINDS 5 TO 10 KNOTS VEERING SOUTHEAST IN THE
AFTERNOON. SEAS 1 TO 3 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS.
.SUNDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 8 SECONDS. ISOLATED SHOWERS.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 11 SECONDS. SCATTERED SHOWERS.
.TUESDAY...NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 2 FEET OR LESS.
DOMINANT PERIOD 10 SECONDS. SCATTERED SHOWERS.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. ISOLATED
SHOWERS.

$$

AMZ741-212115-
MONA PASSAGE SOUTHWARD TO 17N-
445 AM AST SAT JAN 21 2017

.TODAY...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. ISOLATED SHOWERS.
.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS. NORTH
SWELL AROUND 4 FEET AFTER MIDNIGHT. ISOLATED SHOWERS.
.SUNDAY...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. ISOLATED SHOWERS.
.SUNDAY NIGHT...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 AFTER MIDNIGHT. SCATTERED SHOWERS.
.MONDAY...SOUTH 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.
.TUESDAY...NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS.
NORTHEAST SWELL AROUND 4 FEET. SCATTERED SHOWERS.
.WEDNESDAY...NORTHEAST WINDS 15 TO 20 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.

$$

AMZ742-212115-
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-
445 AM AST SAT JAN 21 2017

.TODAY...NORTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS. NORTH
SWELL AROUND 4 FEET. ISOLATED 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 10 SECONDS. NORTH
SWELL AROUND 4 FEET AFTER MIDNIGHT. ISOLATED SHOWERS THROUGH THE
NIGHT.
.SUNDAY...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 NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS. NORTH
SWELL AROUND 4 FEET. SCATTERED SHOWERS.
.MONDAY...SOUTH 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. ISOLATED SHOWERS.
.TUESDAY...WEST 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.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS.
NORTHWEST SWELL 4 TO 5 FEET. ISOLATED SHOWERS.

$$

AMZ745-212115-
COASTAL WATERS OF SOUTHWESTERN PUERTO RICO OUT 10 NM-
445 AM AST SAT JAN 21 2017

.TODAY...NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 10 SECONDS. NORTH
SWELL AROUND 4 FEET.
.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 THROUGH THE NIGHT.
.SUNDAY...NORTHEAST WINDS 5 TO 10 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. SEAS 2 TO 4 FEET WITH OCCASIONAL SEAS UP TO 5 FEET.
DOMINANT PERIOD 10 SECONDS. SCATTERED SHOWERS.
.SUNDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 11 SECONDS.
SCATTERED SHOWERS.
.MONDAY...SOUTH 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.
.TUESDAY...NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 11 SECONDS. ISOLATED SHOWERS.
.WEDNESDAY...NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 10 SECONDS.
NORTHWEST SWELL AROUND 4 FEET. ISOLATED SHOWERS.

$$



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