046
FZCA52 TJSJ 210729
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
329 AM AST Fri Nov 21 2025

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-211945-
329 AM AST Fri Nov 21 2025

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

A surface high pressure will build over the western Atlantic during
the next few days, promoting moderate to fresh trade winds from late
tonight into the weekend. A surface low over the eastern Atlantic
will generate pulses of long period northeasterly swell, arriving
around Tuesday or Wednesday of next week. Afternoon thunderstorms
will form across southwestern Puerto Rico today.

$$

AMZ711-211945-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
329 AM AST Fri Nov 21 2025

.TODAY...East winds 10 to 15 knots. Seas around 4 feet. Wave Detail:
Northeast 3 feet at 5 seconds and north 3 feet at 9 seconds.
Scattered showers, mainly this morning.
.TONIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots.
Seas around 4 feet. Wave Detail: Northeast 3 feet at 5 seconds and
north 2 feet at 9 seconds.
.SATURDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds
and north 2 feet at 8 seconds.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas around 3 feet. Wave Detail: East 3 feet at 5 seconds
and north 2 feet at 8 seconds. Scattered showers.
.SUNDAY...East winds around 10 knots. Seas around 3 feet. Wave
Detail: Northeast 3 feet at 6 seconds and northeast 1 foot at
11 seconds.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 3 feet. Wave Detail: Northeast 3 feet at 6 seconds and
northeast 1 foot at 11 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas around 3 feet. Scattered
showers in the morning.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.
.TUESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet.

$$

AMZ712-211945-
Coastal Waters of Northern Puerto Rico out 10 NM-
329 AM AST Fri Nov 21 2025

.TODAY...East winds around 10 knots with gusts up to 20 knots. Seas
around 4 feet. Wave Detail: Northeast 3 feet at 5 seconds and north
2 feet at 10 seconds. Scattered showers this morning, then isolated
showers early this afternoon.
.TONIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots.
Seas around 4 feet. Wave Detail: Northeast 3 feet at 5 seconds and
north 2 feet at 9 seconds.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 5 seconds and
north 2 feet at 8 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Seas around
3 feet. Wave Detail: Northeast 2 feet at 5 seconds and north 2 feet
at 8 seconds. Scattered showers after midnight.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
Northeast 2 feet at 6 seconds and northeast 1 foot at 11 seconds.
Scattered showers.
.SUNDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northeast
2 feet at 6 seconds and northeast 1 foot at 11 seconds. Scattered
showers after midnight.
.MONDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Seas 2 to 3 feet.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.
Scattered showers.
.TUESDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. Seas 3 to 4 feet.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet.
Scattered showers.

$$

AMZ716-211945-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
329 AM AST Fri Nov 21 2025

.TODAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 3 feet at 4 seconds and north 3 feet at
10 seconds. Isolated showers until late afternoon.
.TONIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds and
north 2 feet at 9 seconds.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 3 feet at 5 seconds and north 2 feet at 9 seconds.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 2 feet at 4 seconds and north 2 feet at
8 seconds. Scattered showers after midnight.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
East 2 feet at 4 seconds and north 2 feet at 7 seconds. Scattered
showers in the morning.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 2 feet at 4 seconds and north 1 foot at 7 seconds.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered
showers in the morning.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.
.TUESDAY...East winds around 15 knots. Seas 3 to 4 feet. Scattered
showers in the morning.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet.
Scattered showers.

$$

AMZ723-211945-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
329 AM AST Fri Nov 21 2025

.TODAY...Northeast winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 5 seconds and
northeast 2 feet at 12 seconds. Isolated showers early this morning.
.TONIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 5 seconds and
northeast 2 feet at 12 seconds.
.SATURDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at
5 seconds and northeast 1 foot at 11 seconds.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas around 3 feet. Wave Detail: Northeast 3 feet at
5 seconds and northeast 1 foot at 11 seconds.
.SUNDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
around 3 feet. Wave Detail: Northeast 3 feet at 5 seconds and
northeast 1 foot at 11 seconds.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 3 feet. Wave Detail: Northeast 3 feet at 5 seconds and
northeast 1 foot at 11 seconds. Scattered showers after midnight.
.MONDAY...East winds 10 to 15 knots. Seas around 3 feet. Scattered
showers in the morning.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.
Scattered showers.
.TUESDAY...East winds around 15 knots. Seas around 4 feet. Scattered
showers in the morning.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas around 5 feet.

$$

AMZ726-211945-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
329 AM AST Fri Nov 21 2025

.TODAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: East 3 feet at 5 seconds. Isolated showers.
.TONIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 5 seconds.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at
5 seconds. Scattered showers after midnight.
.SUNDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail:
East 2 feet at 5 seconds. Scattered showers in the morning.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. Scattered
showers after midnight.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered
showers in the morning.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY...East winds 15 to 20 knots. Seas 3 to 4 feet.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet.

$$

AMZ733-211945-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
329 AM AST Fri Nov 21 2025

.TODAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
3 to 4 feet. Wave Detail: East 3 feet at 5 seconds and northeast
1 foot at 12 seconds. Isolated showers.
.TONIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds and
northeast 1 foot at 11 seconds.
.SATURDAY...East winds 10 to 15 knots with gusts up to 25 knots.
Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
25 knots. Seas around 3 feet. Wave Detail: East 3 feet at 5 seconds.
.SUNDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 3 feet. Wave Detail: East 3 feet at 5 seconds.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered
showers in the morning.
.MONDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet.
.TUESDAY...East winds 15 to 20 knots. Seas 3 to 4 feet.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet.

$$

AMZ735-211945-
Coastal Waters of Southern Puerto Rico out 10 NM-
329 AM AST Fri Nov 21 2025

.TODAY...East winds 5 to 10 knots, increasing to 10 to 15 knots this
afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds.
Isolated showers.
.TONIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds.
.SATURDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots
in the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
5 seconds. Scattered showers in the afternoon.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to
3 feet. Wave Detail: East 3 feet at 5 seconds.
.SUNDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
East 2 feet at 5 seconds. Scattered showers in the morning.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Seas around
2 feet. Wave Detail: East 2 feet at 5 seconds.
.MONDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Seas around 2 feet. Scattered showers in the morning.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. Scattered
showers in the morning.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Scattered showers.

$$

AMZ741-211945-
Mona Passage Southward to 17N-
329 AM AST Fri Nov 21 2025

.TODAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
3 to 4 feet. Wave Detail: East 3 feet at 6 seconds and north 2 feet
at 10 seconds. Isolated showers until late afternoon, then scattered
showers late.
.TONIGHT...East winds 10 to 15 knots, increasing to 15 to 20 knots
after midnight. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at
5 seconds and north 2 feet at 10 seconds. Scattered showers in the
evening.
.SATURDAY...East winds 10 to 15 knots with gusts up to 25 knots.
Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds and north
2 feet at 9 seconds.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at
7 seconds and northeast 1 foot at 11 seconds. Scattered showers in
the evening.
.SUNDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in
the afternoon. Seas around 3 feet. Wave Detail: East 3 feet at
6 seconds and northeast 1 foot at 11 seconds. Scattered showers in
the afternoon.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas around 3 feet. Wave Detail: East 3 feet at 6 seconds.
Scattered showers in the evening.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 3 to 4 feet.
.TUESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet.

$$

AMZ742-211945-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
329 AM AST Fri Nov 21 2025

.TODAY...Northeast winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds and
north 2 feet at 10 seconds. Isolated showers early this morning.
Scattered showers early this afternoon, then isolated showers late.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 4 feet. Wave Detail: Northeast 3 feet at 5 seconds and north
2 feet at 9 seconds.
.SATURDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at
5 seconds and north 2 feet at 9 seconds.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at
5 seconds and north 2 feet at 8 seconds.
.SUNDAY...East winds 5 to 10 knots, becoming northeast 10 to
15 knots with gusts up to 20 knots in the afternoon. Seas 2 to
3 feet. Wave Detail: Northeast 2 feet at 6 seconds and northeast
1 foot at 11 seconds. Scattered showers in the afternoon.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 5 seconds and
northeast 1 foot at 11 seconds. Scattered showers in the evening.
.MONDAY...East winds 5 to 10 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Scattered showers.
.TUESDAY...East winds 10 to 15 knots, becoming northeast 15 to
20 knots in the afternoon. Seas 2 to 4 feet.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots, becoming east 10 to
15 knots after midnight. Seas 2 to 4 feet.

$$

AMZ745-211945-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
329 AM AST Fri Nov 21 2025

.TODAY...East winds 5 to 10 knots, diminishing to around 5 knots
late this morning and afternoon. Seas 2 to 3 feet. Wave Detail:
Northwest 2 feet at 9 seconds and southeast 1 foot at 6 seconds.
Scattered showers with isolated thunderstorms this afternoon.
.TONIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds and
north 2 feet at 8 seconds. Scattered showers in the evening.
.SATURDAY...East winds 5 to 10 knots, diminishing to around 5 knots
in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at
5 seconds and north 2 feet at 9 seconds. Scattered showers in the
afternoon.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 6 seconds and north 2 feet at
8 seconds.
.SUNDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas around 2 feet. Wave Detail: Southeast 1 foot at
6 seconds and north 1 foot at 6 seconds.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: North 2 feet at 6 seconds. Scattered showers in the
evening.
.MONDAY...East winds around 5 knots. Seas around 2 feet.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Scattered
showers in the afternoon.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$