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National Weather Service Marine Forecast FZCA52 TJSJ

FZCA52 TJSJ 200107
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
907 PM AST Mon Apr 19 2021

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.

AMZ700-201415-
907 PM AST Mon Apr 19 2021

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

A surface high pressure over the central Atlantic will continue to
promote light to moderate east to southeast winds for the next
several days. Marine conditions are expected to continue improving
through Tuesday. However, increasing winds will cause somewhat choppy
seas across the offshore waters and local passages by midweek.



AMZ710-201415-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
907 PM AST Mon Apr 19 2021

REST OF TONIGHT
East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 10 seconds.
Isolated showers through the night.

TUESDAY
East 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.

TUESDAY NIGHT
East 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 night.

WEDNESDAY
East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 10 seconds. Isolated
showers through the day.

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant period 8 seconds.
Scattered showers through the night.

THURSDAY
East 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 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers.

SATURDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers.



AMZ712-201415-
Coastal Waters of Northern Puerto Rico out 10 NM-
907 PM AST Mon Apr 19 2021

REST OF 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 through the night.

TUESDAY
East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Isolated
showers through the day.

TUESDAY NIGHT
East winds 15 to 20 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 night.

WEDNESDAY
East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Isolated
showers through the day.

WEDNESDAY NIGHT
East winds 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 10 seconds.
Isolated 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 8 seconds. Isolated
showers.

FRIDAY
East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.

SATURDAY
East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers.



AMZ715-201415-
Coastal Waters of Northern USVI and Culebra out 10 NM-
907 PM AST Mon Apr 19 2021

REST OF 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 through the night.

TUESDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Isolated
showers through the day.

TUESDAY NIGHT
East 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.

WEDNESDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Isolated
showers through the day.

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

THURSDAY
East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers.

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



AMZ722-201415-
Anegada Passage Southward to 17N-
907 PM AST Mon Apr 19 2021

REST OF TONIGHT
East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 10 seconds.

TUESDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers.

TUESDAY NIGHT
East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers.

WEDNESDAY
East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers through the day.

WEDNESDAY NIGHT
East winds 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 8 seconds.
Scattered showers.

THURSDAY
East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers.

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



AMZ725-201415-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM-
907 PM AST Mon Apr 19 2021

REST OF 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.

TUESDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Isolated
showers through the day.

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

WEDNESDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers.

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 8 seconds.
Scattered showers.

THURSDAY
East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers.

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



AMZ732-201415-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
907 PM AST Mon Apr 19 2021

REST OF TONIGHT
East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 8 seconds.
Isolated showers.

TUESDAY
East 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 day.

TUESDAY NIGHT
East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers.

WEDNESDAY
East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers through the day.

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 8 seconds.
Isolated showers.

THURSDAY
East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers.

FRIDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
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.



AMZ735-201415-
Coastal Waters of Southern Puerto Rico out 10 NM-
907 PM AST Mon Apr 19 2021

REST OF TONIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 8 seconds.
Isolated showers through the night.

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

TUESDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers through the night.

WEDNESDAY
East 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 day.

WEDNESDAY NIGHT
East 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
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 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 8 seconds. Isolated
showers.

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



AMZ741-201415-
Mona Passage Southward to 17N-
907 PM AST Mon Apr 19 2021

REST OF TONIGHT
East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 10 seconds.
Isolated showers through the night.

TUESDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Isolated
showers through the day.

TUESDAY NIGHT
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Isolated
showers through the night.

WEDNESDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Isolated
showers through the day.

WEDNESDAY NIGHT
East winds 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 10 seconds.
Isolated 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 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 8 seconds. Isolated
showers.

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



AMZ742-201415-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
907 PM AST Mon Apr 19 2021

REST OF TONIGHT
East winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 10 seconds.

TUESDAY
East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 10 seconds.

TUESDAY 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.

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

WEDNESDAY NIGHT
East winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 10 seconds. Isolated showers.

THURSDAY
Northeast winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 10 seconds. Scattered showers.

FRIDAY
Northeast winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 8 seconds. Isolated showers.

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



AMZ745-201415-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
907 PM AST Mon Apr 19 2021

REST OF TONIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 8 seconds.

TUESDAY
Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds.

TUESDAY NIGHT
East 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. Seas 1 to 3 feet.
Dominant period 10 seconds.

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

THURSDAY
Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 8 seconds. Isolated showers.

FRIDAY
East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Isolated showers.

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