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FZCA52 TJSJ 180804
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
404 AM AST Mon Jun 18 2018

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.

AMZ700-182030-
404 AM AST Mon Jun 18 2018

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
Surface high pressure located across the northeastern Atlantic will
continue to promote a light to moderate east to southeasterly wind
flow throughout the forecast period. A tropical wave is expected to
move across the eastern Caribbean and over the forecast area on
Tuesday. Therefore, an increase in showers and thunderstorms are
expected across the regional waters.

$$

AMZ710-182030-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
404 AM AST Mon Jun 18 2018

.TODAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
showers.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 7 seconds.
Isolated thunderstorms in the evening. Scattered showers through
the night.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
thunderstorms, then isolated showers.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
showers.
.FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers.

$$

AMZ712-182030-
Coastal Waters of Northern Puerto Rico out 10 NM-
404 AM AST Mon Jun 18 2018

.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 through the day. Isolated thunderstorms in the afternoon.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers through the night.
.TUESDAY...East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers through the day. Isolated thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 7 seconds.
Isolated thunderstorms in the evening. Scattered showers through
the night.
.WEDNESDAY...Southeast winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
thunderstorms, then isolated showers.
.THURSDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated showers.
.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.

$$

AMZ715-182030-
Coastal Waters of Northern USVI and Culebra out 10 NM-
404 AM AST Mon Jun 18 2018

.TODAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
showers.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 7 seconds.
Isolated thunderstorms in the evening. Numerous showers through
the night.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
thunderstorms. 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.
.FRIDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Scattered showers.

$$

AMZ722-182030-
Anegada Passage Southward to 17N-
404 AM AST Mon Jun 18 2018

.TODAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 7 seconds.
Isolated thunderstorms in the evening. Numerous showers through
the night.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 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.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds.
Northeast swell around 4 feet. Scattered showers and isolated
thunderstorms.

$$

AMZ725-182030-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM-
404 AM AST Mon Jun 18 2018

.TODAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 7 seconds.
Isolated thunderstorms in the evening. Numerous showers through
the night.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
thunderstorms. 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.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers. Isolated thunderstorms.

$$

AMZ732-182030-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
404 AM AST Mon Jun 18 2018

.TODAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 7 seconds.
Isolated thunderstorms in the evening. Numerous showers through
the night.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers. Isolated thunderstorms.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
showers.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds.
Scattered showers. Isolated thunderstorms.

$$

AMZ735-182030-
Coastal Waters of Southern Puerto Rico out 10 NM-
404 AM AST Mon Jun 18 2018

.TODAY...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 7 seconds. Isolated showers through the day.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers through the day. Isolated thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 7 seconds.
Isolated thunderstorms in the evening. Numerous showers through
the night.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
thunderstorms. Numerous 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.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers. Isolated thunderstorms.

$$

AMZ741-182030-
Mona Passage Southward to 17N-
404 AM AST Mon Jun 18 2018

.TODAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
showers.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers through the day. Isolated thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 7 seconds.
Isolated thunderstorms in the evening. Numerous showers through
the night.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Numerous
showers and isolated thunderstorms.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
showers.
.FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers.

$$

AMZ742-182030-
Coastal Waters OF Northwestern Puerto Rico out 10 NM-
404 AM AST Mon Jun 18 2018

.TODAY...East winds 5 to 10 knots backing north in the afternoon.
Seas 2 feet or less. Dominant period 7 seconds. Isolated
thunderstorms in the afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas 2 feet or less. Dominant
period 7 seconds. Scattered showers.
.TUESDAY...Northeast winds 5 to 10 knots. Seas 2 feet or less.
Dominant period 7 seconds. Scattered thunderstorms in the
afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 7 seconds. Isolated showers.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 7 seconds. Isolated thunderstorms. Numerous
showers.
.THURSDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated thunderstorms, then isolated showers.
.FRIDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated showers.

$$

AMZ745-182030-
Coastal Waters OF Southwestern Puerto Rico out 10 NM-
404 AM AST Mon Jun 18 2018

.TODAY...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 7 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 7 seconds. Isolated showers through the night.
.TUESDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Scattered showers through the day. Isolated
thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 7 seconds. Scattered showers.
.WEDNESDAY...Southeast winds 15 to 20 knots. Seas 1 to 3 feet.
Dominant period 7 seconds. Isolated thunderstorms. Numerous
showers.
.THURSDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated showers.
.FRIDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated showers.

$$

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