Coastal Waters Forecast
Issued by NWS San Juan, PR

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000
FZCA52 TJSJ 281435
CWFSJU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE SAN JUAN PR
1035 AM AST TUE MAR 28 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.

AMZ700-290330-
1035 AM AST TUE MAR 28 2017

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
LIGHT SOUTH TO SOUTHEAST WINDS ARE EXPECTED TO CONTINUE THROUGH THIS
AFTERNOON, AS A SURFACE LOW NORTH OF THE ISLANDS CONTINUES TO MOVE
NORTHEASTWARD. WINDS ARE FORECAST TO SHIFT FROM THE NORTH TO
NORTHEAST TONIGHT. THE LOW SYSTEM IS EXPECTED TO DEVELOP A NORTHERLY
SWELL, WHICH IS FORECAST TO AFFECT THE ATLANTIC OFFSHORE WATERS AND
CARIBBEAN PASSAGES BY THURSDAY.

$$

AMZ710-290330-
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
1035 AM AST TUE MAR 28 2017

.REST OF TODAY...WEST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS.
.TONIGHT...NORTH WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS.
.WEDNESDAY...NORTH WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS.
.WEDNESDAY NIGHT...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 10 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.
.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. ISOLATED SHOWERS.

$$

AMZ712-290330-
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-
1035 AM AST TUE MAR 28 2017

.REST OF TODAY...NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET
WITH OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS.
SCATTERED SHOWERS THROUGH THE DAY. ISOLATED THUNDERSTORMS IN THE
AFTERNOON.
.TONIGHT...NORTH WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 SECONDS. SCATTERED
SHOWERS.
.WEDNESDAY...NORTH WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS.
.WEDNESDAY NIGHT...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 9 SECONDS. 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. 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 12 SECONDS. NORTH
SWELL 4 TO 5 FEET. SCATTERED SHOWERS.

$$

AMZ715-290330-
COASTAL WATERS OF NORTHERN USVI AND CULEBRA OUT 10 NM-
1035 AM AST TUE MAR 28 2017

.REST OF TODAY...SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. SCATTERED
SHOWERS THROUGH THE DAY. ISOLATED THUNDERSTORMS IN THE AFTERNOON.
.TONIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. SEAS 2 TO 4 FEET WITH OCCASIONAL SEAS UP TO 5 FEET.
DOMINANT PERIOD 8 SECONDS. SCATTERED SHOWERS.
.WEDNESDAY...NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. SCATTERED
SHOWERS.
.WEDNESDAY NIGHT...NORTH WINDS AROUND 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 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS. NORTH
SWELL AROUND 4 FEET. 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. 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 12 SECONDS. NORTH
SWELL 4 TO 5 FEET. SCATTERED SHOWERS.

$$

AMZ722-290330-
ANEGADA PASSAGE SOUTHWARD TO 17N-
1035 AM AST TUE MAR 28 2017

.REST OF TODAY...SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS.
.TONIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS BACKING NORTH IN THE
AFTERNOON. SEAS 2 TO 4 FEET WITH OCCASIONAL SEAS UP TO 5 FEET.
DOMINANT PERIOD 8 SECONDS. SCATTERED SHOWERS.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET
WITH OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 11 SECONDS.
SCATTERED SHOWERS.
.THURSDAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 13 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 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 12 SECONDS. NORTH
SWELL 4 TO 6 FEET. ISOLATED SHOWERS.

$$

AMZ725-290330-
COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO RICO OUT
10 NM-
1035 AM AST TUE MAR 28 2017

.REST OF TODAY...SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. SCATTERED
SHOWERS.
.TONIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS VEERING WEST AFTER
MIDNIGHT. SEAS 2 TO 4 FEET WITH OCCASIONAL SEAS UP TO 5 FEET.
DOMINANT PERIOD 7 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.
.WEDNESDAY...NORTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 7 SECONDS. SCATTERED SHOWERS.
.WEDNESDAY 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.
.THURSDAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 12 SECONDS.
NORTHEAST SWELL AROUND 4 FEET. 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 AROUND 4 FEET. 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.
NORTHEAST SWELL AROUND 4 FEET. SCATTERED SHOWERS.

$$

AMZ732-290330-
CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO 17N-
1035 AM AST TUE MAR 28 2017

.REST OF TODAY...SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 8 SECONDS. ISOLATED SHOWERS.
.TONIGHT...EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 8 SECONDS. ISOLATED SHOWERS THROUGH THE NIGHT.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. SCATTERED
SHOWERS.
.WEDNESDAY 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.
.THURSDAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 13 SECONDS.
NORTHEAST SWELL AROUND 4 FEET. ISOLATED SHOWERS.
.FRIDAY...EAST 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.
.SATURDAY...EAST WINDS 15 TO 20 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.

$$

AMZ735-290330-
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM-
1035 AM AST TUE MAR 28 2017

.REST OF TODAY...SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 FEET OR LESS.
DOMINANT PERIOD 7 SECONDS. ISOLATED SHOWERS.
.TONIGHT...EAST WINDS 5 TO 10 KNOTS BACKING NORTH AFTER MIDNIGHT.
SEAS 1 TO 3 FEET. DOMINANT PERIOD 7 SECONDS.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS VEERING SOUTHEAST IN
THE AFTERNOON. SEAS 2 TO 4 FEET WITH OCCASIONAL SEAS UP TO 5 FEET.
DOMINANT PERIOD 7 SECONDS. SCATTERED SHOWERS.
.WEDNESDAY 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.
.THURSDAY...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 10 TO 15 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 8 SECONDS. ISOLATED SHOWERS.
.SATURDAY...EAST WINDS 15 TO 20 KNOTS. SEAS 1 TO 3 FEET. DOMINANT
PERIOD 8 SECONDS. ISOLATED SHOWERS.

$$

AMZ741-290330-
MONA PASSAGE SOUTHWARD TO 17N-
1035 AM AST TUE MAR 28 2017

.REST OF TODAY...EAST 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 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. SCATTERED
SHOWERS.
.WEDNESDAY NIGHT...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 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS.
.FRIDAY...EAST 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. ISOLATED SHOWERS.
.SATURDAY...EAST WINDS 15 TO 20 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.

$$

AMZ742-290330-
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-
1035 AM AST TUE MAR 28 2017

.REST OF TODAY...WEST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS.
.TONIGHT...NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS. ISOLATED
SHOWERS.
.WEDNESDAY NIGHT...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 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS.
.FRIDAY...EAST 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. 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.

$$

AMZ745-290330-
COASTAL WATERS OF SOUTHWESTERN PUERTO RICO OUT 10 NM-
1035 AM AST TUE MAR 28 2017

.REST OF TODAY...SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
DOMINANT PERIOD 8 SECONDS. SCATTERED SHOWERS.
.TONIGHT...NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 8 SECONDS. ISOLATED
SHOWERS THROUGH THE NIGHT.
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. DOMINANT PERIOD 7 SECONDS.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5
FEET WITH OCCASIONAL SEAS UP TO 6 FEET. DOMINANT PERIOD 8 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 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 1 TO 3 FEET. DOMINANT
PERIOD 10 SECONDS. ISOLATED SHOWERS.

$$


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