Coastal Waters Forecast
Issued by NWS San Juan, PR

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FZCA52 TJSJ 240108
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
908 PM AST Tue Apr 23 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.

AMZ700-241415-
908 PM AST Tue Apr 23 2024

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A surface trough crossing the islands will yield winds from the east
tonight. Showers and thunderstorms will continue to affect the local
waters for the next few days. A small northwesterly swell will
arrive late Wednesday and Thursday. Another surface trough will
strengthen east winds by Wednesday, before becoming northeast on
Saturday under the influence of a surface high pressure over the
western Atlantic.

$$

AMZ711-241415-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
908 PM AST Tue Apr 23 2024

.REST OF TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers with isolated thunderstorms.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 10 seconds.
Scattered showers.
.THURSDAY...East winds 10 to 15 knots with gusts up to 25 knots.
Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant
period 10 seconds. Scattered showers.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 10 seconds.
Scattered showers.
.FRIDAY...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 with isolated thunderstorms.
.SATURDAY...Northeast 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. Isolated showers.
.SUNDAY...Northeast winds 15 to 20 knots with gusts up to 25
knots. Seas 4 to 6 feet with occasional seas up to 8 feet.
Dominant period 10 seconds. Isolated showers.

$$

AMZ712-241415-
Coastal Waters of Northern Puerto Rico out 10 NM-
908 PM AST Tue Apr 23 2024

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Seas 1 to 3
feet. Dominant period 10 seconds. Scattered showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Numerous showers with isolated thunderstorms.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 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. Isolated thunderstorms in the afternoon.
.THURSDAY NIGHT...East winds 10 to 15 knots. Gusts up to 25 knots
in the evening. Seas 4 to 6 feet with occasional seas up to 8
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 10 seconds.
Scattered showers with isolated thunderstorms.
.SATURDAY...Northeast 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. Isolated showers.
.SUNDAY...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.

$$

AMZ716-241415-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
908 PM AST Tue Apr 23 2024

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 10 seconds. Scattered showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Isolated thunderstorms in the morning. Scattered
showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Gusts up to 25 knots
after midnight. Seas 2 to 4 feet with occasional seas around 5
feet. Dominant period 7 seconds. Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Gusts up to 25 knots in the
morning. Seas 3 to 5 feet with occasional seas up to 6 feet.
Dominant period 10 seconds. Isolated showers.
.THURSDAY NIGHT...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 10 seconds.
Scattered showers with isolated thunderstorms.
.SATURDAY...Northeast winds 10 to 15 knots. 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 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Isolated
showers.

$$

AMZ723-241415-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
908 PM AST Tue Apr 23 2024

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 7 seconds.
Scattered showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 6 seconds.
Scattered showers.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.FRIDAY...East winds 10 to 15 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.
Isolated showers.
.SUNDAY...Northeast 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, subsiding to 7 seconds. Isolated showers.

$$

AMZ726-241415-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
908 PM AST Tue Apr 23 2024

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 10 seconds. Scattered showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Numerous showers with isolated thunderstorms.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Gusts up to 25 knots
after midnight. Seas 2 to 4 feet with occasional seas around 5
feet. Dominant period 7 seconds. Scattered showers.
.THURSDAY...East winds 15 to 20 knots with gusts up to 25 knots,
diminishing to east 15 to 20 knots in the afternoon. Seas 2 to 4
feet with occasional seas around 5 feet. Dominant period 10
seconds. Scattered showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.FRIDAY...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. Numerous showers with isolated thunderstorms.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered 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 7 seconds. Isolated showers.

$$

AMZ733-241415-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
908 PM AST Tue Apr 23 2024

.REST OF TONIGHT...East winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 6 seconds. Scattered showers.
.WEDNESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 6 seconds. Isolated thunderstorms in the morning. Scattered
showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas around 5 feet. Dominant period 6 seconds.
Scattered showers.
.THURSDAY...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 6 seconds. Scattered showers.
.THURSDAY NIGHT...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 6 seconds. Scattered showers.
.FRIDAY...East winds 10 to 15 knots. Gusts up to 25 knots. Seas 2
to 4 feet with occasional seas around 5 feet. Dominant period 6
seconds. Scattered showers with isolated thunderstorms.
.SATURDAY...East winds 15 to 20 knots, becoming northeast. Seas 2
to 4 feet with occasional seas around 5 feet. Dominant period 10
seconds. Scattered showers.
.SUNDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Isolated
showers.

$$

AMZ735-241415-
Coastal Waters of Southern Puerto Rico out 10 NM-
908 PM AST Tue Apr 23 2024

.REST OF TONIGHT...East winds 5 to 10 knots. Seas around 2 feet or
less. Dominant period 6 seconds. Scattered showers.
.WEDNESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 6 seconds. Isolated thunderstorms in the morning. Isolated
showers.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 6 seconds. Scattered showers.
.THURSDAY...East 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 7 seconds. Numerous showers.
.THURSDAY NIGHT...East 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 6 seconds. Isolated showers.
.FRIDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated thunderstorms through the day.
Scattered showers.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 7 seconds. Scattered showers with isolated
thunderstorms.
.SUNDAY...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 6 seconds. Scattered showers.

$$

AMZ741-241415-
Mona Passage Southward to 17N-
908 PM AST Tue Apr 23 2024

.REST OF TONIGHT...East winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 10 seconds. Numerous showers.
.WEDNESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 10 seconds. Scattered showers. Isolated thunderstorms in
the afternoon.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 3 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.
Scattered showers. Isolated thunderstorms in the afternoon.
.THURSDAY NIGHT...East 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.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Numerous
showers with isolated thunderstorms.
.SATURDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds,
subsiding to 7 seconds. Isolated thunderstorms through the day.
Scattered showers.
.SUNDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 6 seconds. Isolated
showers.

$$

AMZ742-241415-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
908 PM AST Tue Apr 23 2024

.REST OF TONIGHT...Northeast winds 5 to 10 knots. Seas 1 to 3
feet. Dominant period 10 seconds. Isolated showers.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 10 seconds. Numerous showers. Isolated
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 11 seconds. Scattered showers.
.THURSDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Numerous showers. Isolated thunderstorms in the afternoon.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds.
Scattered showers.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Showers
with isolated thunderstorms.
.SATURDAY...Northeast 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, subsiding to 7 seconds. Isolated showers.
.SUNDAY...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 7 seconds. Isolated showers.

$$

AMZ745-241415-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
908 PM AST Tue Apr 23 2024

.REST OF TONIGHT...Northeast winds 5 to 10 knots. Seas around 2
feet or less. Dominant period 10 seconds. Scattered showers.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet or less.
Dominant period 7 seconds. Isolated thunderstorms in the
afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet or
less. Dominant period 11 seconds. Isolated showers.
.THURSDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 10 seconds. Isolated thunderstorms in the afternoon.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.FRIDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Numerous showers with isolated thunderstorms.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 10 seconds. Scattered showers with isolated
thunderstorms.
.SUNDAY...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 7 seconds. Isolated showers.

$$


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