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000
FZCA52 TJSJ 182005
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
405 PM AST Thu Apr 18 2024

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.

AMZ700-190915-
405 PM AST Thu Apr 18 2024

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A set of surface troughs, one to the northwest and other to the
northeast of the islands will promote light to locally moderate
northeast winds today into Friday. A small northeasterly swell will
move across the Atlantic waters through the weekend. The surface
trough northeast of the region and a surface high pressure building
across the western Atlantic will promote moderate to locally fresh
trades by the weekend.

$$

AMZ711-190915-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
405 PM AST Thu Apr 18 2024

.TONIGHT...Northeast winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 11 seconds.
Scattered showers.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 11 seconds.
Scattered showers.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas around 5 feet. Dominant period 10 seconds.
Isolated showers.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Isolated showers.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas around 5 feet. Dominant period 10 seconds.
Isolated showers.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds,
subsiding to 6 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Numerous
showers.

$$

AMZ712-190915-
Coastal Waters of Northern Puerto Rico out 10 NM-
405 PM AST Thu Apr 18 2024

.TONIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 11 seconds.
Scattered showers.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 11 seconds.
Scattered showers.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 4 feet
with occasional seas around 5 feet. Dominant period 11 seconds.
Scattered showers.
.SATURDAY...Northeast winds 10 to 15 knots. Gusts up to 25 knots
in the afternoon. Seas 2 to 4 feet with occasional seas around 5
feet. Dominant period 10 seconds. Scattered showers.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.SUNDAY...East winds 10 to 15 knots. Gusts up to 25 knots. Seas 2
to 4 feet with occasional seas around 5 feet. Dominant period 10
seconds, decreasing to 7 seconds. Numerous showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 6 seconds,
increasing to 11 seconds. Isolated thunderstorms through the day.
Numerous showers.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Numerous showers.

$$

AMZ716-190915-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
405 PM AST Thu Apr 18 2024

.TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 11 seconds.
Scattered showers.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 11 seconds.
Numerous showers.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 4 feet
with occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds,
subsiding to 7 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 6 seconds,
increasing to 11 seconds. Isolated thunderstorms through the day.
Numerous showers.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Numerous showers.

$$

AMZ723-190915-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
405 PM AST Thu Apr 18 2024

.TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 11 seconds.
Scattered showers.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 11 seconds.
Scattered showers.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 4 feet
with occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.SATURDAY...Northeast winds around 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Isolated showers.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.TUESDAY...East winds 10 to 15 knots. Gusts up to 25 knots. Seas 3
to 5 feet with occasional seas up to 6 feet. Dominant period 10
seconds. Scattered showers.

$$

AMZ726-190915-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
405 PM AST Thu Apr 18 2024

.TONIGHT...Northeast winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 11 seconds. Scattered showers.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 11 seconds. Scattered showers.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 10 seconds. Scattered showers.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 10 seconds. Scattered showers.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to 3
feet. Dominant period 10 seconds. Scattered showers.
.SUNDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 10 seconds, subsiding to 6 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Scattered showers.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.

$$

AMZ733-190915-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
405 PM AST Thu Apr 18 2024

.TONIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 11 seconds.
Scattered showers.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 11 seconds. Scattered showers.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 11 seconds. Isolated showers.
.SATURDAY...Northeast winds 10 to 15 knots. Gusts up to 25 knots
in the afternoon. Seas 1 to 3 feet. Dominant period 10 seconds.
Isolated showers.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
25 knots. Seas 2 to 4 feet with occasional seas around 5 feet.
Dominant period 10 seconds. Scattered showers.
.SUNDAY...East winds 10 to 15 knots with gusts up to 25 knots.
Seas 2 to 4 feet with occasional seas around 5 feet. Dominant
period 10 seconds, decreasing to 7 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 6 seconds. Scattered showers.
.TUESDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 6 seconds. Numerous showers.

$$

AMZ735-190915-
Coastal Waters of Southern Puerto Rico out 10 NM-
405 PM AST Thu Apr 18 2024

.TONIGHT...Northeast winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 7 seconds. Isolated showers.
.FRIDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Seas around 2 feet or less. Dominant period 7 seconds.
Isolated showers.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet
or less. Dominant period 7 seconds. Isolated showers.
.SATURDAY...Northeast winds 10 to 15 knots, becoming east with
gusts up to 25 knots in the afternoon. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated showers.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to 3
feet. Dominant period 6 seconds. Scattered showers.
.SUNDAY...East winds 10 to 15 knots. Gusts up to 25 knots. Seas 1
to 3 feet. Dominant period 6 seconds. Isolated showers.
.MONDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 6 seconds. Isolated showers.
.TUESDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 6 seconds. Isolated showers.

$$

AMZ741-190915-
Mona Passage Southward to 17N-
405 PM AST Thu Apr 18 2024

.TONIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Isolated showers.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 11 seconds.
Scattered showers.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Gusts up to 25
knots in the evening. Seas 2 to 4 feet with occasional seas around
5 feet. Dominant period 10 seconds. Scattered showers.
.SATURDAY...Northeast winds 10 to 15 knots. Gusts up to 25 knots
in the afternoon. Seas 2 to 4 feet with occasional seas around 5
feet. Dominant period 10 seconds. Isolated showers.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
25 knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
Dominant period 10 seconds. Isolated showers.
.SUNDAY...East winds 10 to 15 knots. Gusts up to 25 knots. Seas 2
to 4 feet with occasional seas around 5 feet. Dominant period 10
seconds, decreasing to 6 seconds. Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 6 seconds,
increasing to 11 seconds. Scattered showers.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 11 seconds.
Scattered showers.

$$

AMZ742-190915-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
405 PM AST Thu Apr 18 2024

.TONIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Isolated showers.
.FRIDAY...Northeast winds 10 to 15 knots, becoming north in the
afternoon. Seas 2 to 4 feet with occasional seas around 5 feet.
Dominant period 11 seconds. Isolated showers.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas around 5 feet. Dominant period 10 seconds.
Isolated showers.
.SATURDAY...Northeast winds 15 to 20 knots, increasing to
northeast 15 to 20 knots with gusts up to 25 knots in the
afternoon. Seas 2 to 4 feet with occasional seas around 5 feet.
Dominant period 10 seconds. Scattered showers. Isolated
thunderstorms in the afternoon.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Gusts up to 25
knots in the evening. Seas 2 to 4 feet with occasional seas around
5 feet. Dominant period 10 seconds. Isolated showers.
.SUNDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds,
subsiding to 6 seconds. Scattered showers.
.MONDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 6 seconds, increasing to 11 seconds. Numerous showers with
isolated thunderstorms.
.TUESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 11 seconds. Scattered showers.

$$

AMZ745-190915-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
405 PM AST Thu Apr 18 2024

.TONIGHT...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 6 seconds. Scattered showers.
.FRIDAY...North winds 10 to 15 knots. Seas around 2 feet or less.
Dominant period 6 seconds. Scattered showers.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 6 seconds. Isolated showers.
.SATURDAY...Northeast winds 5 to 10 knots. Seas around 2 feet or
less. Dominant period 6 seconds. Isolated thunderstorms in the
afternoon.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots. Seas around 2
feet or less. Dominant period 6 seconds. Isolated showers.
.SUNDAY...East winds 5 to 10 knots. Seas around 2 feet or less.
Dominant period 6 seconds. Scattered showers.
.MONDAY...East winds 5 to 10 knots. Seas around 2 feet or less.
Dominant period 6 seconds, increasing to 10 seconds. Isolated
showers.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet or less.
Dominant period 11 seconds. Isolated showers.

$$