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National Weather Service Marine Forecast FZCA52 TJSJ

FZCA52 TJSJ 200728
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
328 AM AST Tue Aug 20 2019

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.

AMZ700-202015-
328 AM AST Tue Aug 20 2019

SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS

A surface high pressure centered across the north central Atlantic
will maintain moderate to fresh east winds across the local waters.
Moisture associated with a tropical wave will continue to move across
the area, with scattered showers and thunderstorms through at least
today. Thereafter, isolated showers across our regional waters are
expected for the rest of the week. Seas will be up to 5 feet for the
the next several days.



AMZ710-202015-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
328 AM AST Tue Aug 20 2019

TODAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers.

TONIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 10 seconds. Isolated
showers.

WEDNESDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 10 seconds. Isolated
showers.

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 10 seconds.
Isolated showers.

THURSDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 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.
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.
Scattered showers.



AMZ712-202015-
Coastal Waters of Northern Puerto Rico out 10 NM-
328 AM AST Tue Aug 20 2019

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
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
showers.

WEDNESDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 10 seconds.
Scattered showers through the day. Isolated thunderstorms in the
afternoon.

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 10 seconds.
Isolated thunderstorms in the evening. Scattered showers through
the night.

THURSDAY
East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
thunderstorms, then isolated showers.

FRIDAY
East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 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 10 seconds.
Scattered showers.



AMZ715-202015-
Coastal Waters of Northern USVI and Culebra out 10 NM-
328 AM AST Tue Aug 20 2019

TODAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers in the morning, then isolated thunderstorms in the
afternoon.

TONIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 10 seconds.
Scattered showers.

WEDNESDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 10 seconds.
Scattered showers in the morning, then isolated thunderstorms in
the afternoon.

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 10 seconds.
Scattered showers.

THURSDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds.
Scattered showers.

FRIDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 11 seconds.
Scattered showers.

SATURDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 10 seconds.
Scattered showers.



AMZ722-202015-
Anegada Passage Southward to 17N-
328 AM AST Tue Aug 20 2019

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
Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 10 seconds. Isolated
showers.

WEDNESDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 10 seconds.
Scattered showers.

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 10 seconds.
Scattered showers.

THURSDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds.
Scattered 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. Scattered showers.

SATURDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 11 seconds.
Scattered showers.



AMZ725-202015-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM-
328 AM AST Tue Aug 20 2019

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 in the morning, then isolated thunderstorms in the
afternoon.

TONIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.

WEDNESDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 10 seconds.
Scattered showers through the day. Isolated thunderstorms in the
afternoon.

WEDNESDAY NIGHT
East 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, then scattered showers
after midnight.

THURSDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers.

FRIDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 11 seconds.
Scattered showers.

SATURDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 10 seconds. Isolated
thunderstorms. Scattered showers.



AMZ732-202015-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
328 AM AST Tue Aug 20 2019

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
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
showers.

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.

WEDNESDAY 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.

THURSDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.

FRIDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 11 seconds. 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.
Scattered showers.



AMZ735-202015-
Coastal Waters of Southern Puerto Rico out 10 NM-
328 AM AST Tue Aug 20 2019

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
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
showers.

WEDNESDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
showers in the morning, then isolated thunderstorms in the
afternoon.

WEDNESDAY NIGHT
East 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.

THURSDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
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.

SATURDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers.



AMZ741-202015-
Mona Passage Southward to 17N-
328 AM AST Tue Aug 20 2019

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
East 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, then scattered showers after
midnight.

WEDNESDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 10 seconds.
Scattered showers.

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 10 seconds.
Isolated thunderstorms in the evening, then isolated showers after
midnight.

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. 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.
Scattered showers.



AMZ742-202015-
Coastal Waters OF Northwestern Puerto Rico out 10 NM-
328 AM AST Tue Aug 20 2019

TODAY
Northeast winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 10 seconds. Scattered showers through the day. Isolated
thunderstorms in the afternoon.

TONIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 10 seconds. Isolated
thunderstorms in the evening. Scattered showers through the night.

WEDNESDAY
East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 10 seconds. Isolated
thunderstorms in the afternoon.

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 10 seconds. Isolated thunderstorms in the evening.
Scattered showers through the night.

THURSDAY
East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 12 seconds. Isolated
thunderstorms, then scattered showers.

FRIDAY
East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 11 seconds. Isolated
thunderstorms, then isolated showers.

SATURDAY
East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Isolated thunderstorms, then isolated showers.



AMZ745-202015-
Coastal Waters OF Southwestern Puerto Rico out 10 NM-
328 AM AST Tue Aug 20 2019

TODAY
East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Scattered showers through the day. Isolated
thunderstorms in the afternoon.

TONIGHT
East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated thunderstorms in the evening. Scattered
showers through the night.

WEDNESDAY
East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Isolated thunderstorms in the afternoon.

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 10 seconds. Isolated thunderstorms in the evening.
Scattered showers through the night.

THURSDAY
East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated thunderstorms, then scattered showers.

FRIDAY
East winds 15 to 20 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated showers.

SATURDAY
East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated showers.