463
FZCA52 TJSJ 010756
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
356 AM AST Mon Sep 1 2025

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-012015-
356 AM AST Mon Sep 1 2025

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A surface high pressure over the central Atlantic and a surface
trough will continue to result in moderate to locally fresh east
to southeasterly winds across the local waters. Seas will remain
up to 5 feet across the Atlantic offshore waters and even lower
across the coastal waters. For the upcoming weekend, the arrival
of a tropical wave will increase the frequency of showers and
thunderstorms, resulting in localized hazardous marine conditions.

$$

AMZ711-012015-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
356 AM AST Mon Sep 1 2025

.TODAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
East 2 feet at 7 seconds. Scattered showers early this morning, then
isolated showers late this morning and afternoon.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 3 feet. Wave Detail: East 2 feet at 4 seconds and east 2 feet
at 7 seconds. Scattered showers after midnight.
.TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 3 feet. Wave Detail: East 2 feet at 4 seconds and northeast
2 feet at 8 seconds.
.TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds
and east 3 feet at 8 seconds. Scattered showers after midnight.
.WEDNESDAY...East winds 10 to 15 knots with gusts up to 25 knots.
Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds and
southeast 2 feet at 4 seconds.
.WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to
25 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds
and north 1 foot at 9 seconds.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet.
.FRIDAY NIGHT...East winds around 15 knots. Seas around 4 feet.
Scattered showers.

$$

AMZ712-012015-
Coastal Waters of Northern Puerto Rico out 10 NM-
356 AM AST Mon Sep 1 2025

.TODAY...East winds 5 to 10 knots, increasing to 10 to 15 knots with
gusts up to 20 knots this afternoon. Seas around 2 feet. Wave
Detail: Northeast 2 feet at 6 seconds. Scattered showers. Isolated
thunderstorms this afternoon.
.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds and northeast 1 foot at 7 seconds.
Scattered showers.
.TUESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 4 seconds and northeast 1 foot at 7 seconds.
.TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots, becoming southeast 5 to 10 knots after midnight. Seas 2 to
3 feet. Wave Detail: East 2 feet at 5 seconds and northeast 2 feet
at 8 seconds. Scattered showers in the evening.
.WEDNESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 25 knots in the afternoon. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 7 seconds and north 1 foot at
11 seconds. Scattered showers in the afternoon.
.WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to
4 feet. Wave Detail: East 3 feet at 4 seconds and northeast 3 feet
at 7 seconds. Scattered showers after midnight.
.THURSDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. Seas 3 to 4 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 3 to 4 feet.
.FRIDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Seas around 3 feet. Scattered showers in the
afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ716-012015-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
356 AM AST Mon Sep 1 2025

.TODAY...Southeast winds around 10 knots. Seas around 2 feet. Wave
Detail: Northeast 2 feet at 7 seconds and southeast 1 foot at
3 seconds. Scattered showers.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
around 2 feet. Wave Detail: East 2 feet at 3 seconds and northeast
1 foot at 7 seconds. Scattered showers after midnight.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
East 2 feet at 4 seconds and northeast 1 foot at 8 seconds.
.TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
4 seconds and northeast 2 feet at 7 seconds. Scattered showers after
midnight.
.WEDNESDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and
northeast 2 feet at 7 seconds. Scattered showers in the morning.
.WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
4 seconds and northeast 2 feet at 7 seconds. Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered
showers in the afternoon.
.FRIDAY NIGHT...East winds around 15 knots. Seas 2 to 3 feet.
Scattered showers.

$$

AMZ723-012015-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
356 AM AST Mon Sep 1 2025

.TODAY...East winds around 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds and northeast 1 foot at 7 seconds.
Isolated showers early this morning, then scattered showers late
this morning and afternoon.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 3 feet. Wave Detail: East 2 feet at 4 seconds and northeast
1 foot at 7 seconds. Scattered showers after midnight.
.TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
around 3 feet. Wave Detail: East 3 feet at 4 seconds and northeast
2 feet at 8 seconds.
.TUESDAY NIGHT...East 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 after midnight.
.WEDNESDAY...East 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 morning.
.WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at
5 seconds and northeast 3 feet at 8 seconds. Scattered showers in
the evening.
.THURSDAY...East winds 10 to 15 knots. Seas around 3 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.
.FRIDAY...East winds around 15 knots. Seas around 3 feet. Scattered
showers.
.FRIDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet.
Scattered showers.

$$

AMZ726-012015-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
356 AM AST Mon Sep 1 2025

.TODAY...Southeast winds around 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 4 seconds and east 1 foot at 7 seconds.
Scattered showers.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
around 2 feet. Wave Detail: East 2 feet at 4 seconds and east 1 foot
at 7 seconds. Scattered showers after midnight.
.TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 3 feet. Wave Detail: East 2 feet at 4 seconds and east 1 foot
at 7 seconds.
.TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds.
Scattered showers after midnight.
.WEDNESDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds. Scattered
showers in the morning.
.WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds.
Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered
showers in the afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.
Scattered showers.

$$

AMZ733-012015-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
356 AM AST Mon Sep 1 2025

.TODAY...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail:
East 2 feet at 6 seconds. Scattered showers.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
around 2 feet. Wave Detail: East 2 feet at 6 seconds. Scattered
showers.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
East 2 feet at 5 seconds. Scattered showers in the morning.
.TUESDAY NIGHT...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
and east 1 foot at 8 seconds. Scattered showers.
.WEDNESDAY...East 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 morning.
.WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas around 3 feet. Wave Detail: East 3 feet at 5 seconds
and northeast 2 feet at 8 seconds.
.THURSDAY...East winds 10 to 15 knots. Seas around 3 feet. Scattered
showers in the morning.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.
.FRIDAY...East winds around 15 knots. Seas around 3 feet. Scattered
showers.
.FRIDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet.
Scattered showers.

$$

AMZ735-012015-
Coastal Waters of Southern Puerto Rico out 10 NM-
356 AM AST Mon Sep 1 2025

.TODAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
East 2 feet at 5 seconds. Scattered showers early this morning, then
numerous showers late this morning. Scattered showers this
afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
around 2 feet. Wave Detail: East 2 feet at 5 seconds.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 5 seconds. Scattered showers in the evening.
.WEDNESDAY...East winds 10 to 15 knots with gusts up to 25 knots.
Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.
.WEDNESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast
3 feet at 5 seconds.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 3 feet.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.

$$

AMZ741-012015-
Mona Passage Southward to 17N-
356 AM AST Mon Sep 1 2025

.TODAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds and east 1 foot at 8 seconds.
Numerous showers this morning. Isolated showers early this
afternoon, then scattered showers late.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 3 feet. Wave Detail: East 2 feet at 6 seconds.
.TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet.
Wave Detail: East 3 feet at 6 seconds.
.TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
5 seconds. Scattered showers.
.WEDNESDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.
.WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas around 3 feet. Wave Detail: East 3 feet at 7 seconds.
.THURSDAY...East winds 10 to 15 knots. Seas around 3 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.

$$

AMZ742-012015-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
356 AM AST Mon Sep 1 2025

.TODAY...East winds around 5 knots. Seas around 2 feet. Wave Detail:
East 1 foot at 4 seconds and northeast 1 foot at 8 seconds. Isolated
showers this morning, then numerous showers with isolated
thunderstorms this afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 4 seconds. Numerous showers in the evening.
.TUESDAY...East winds around 5 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 4 seconds. Numerous showers in the afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 1 foot at 4 seconds and northeast 1 foot at
7 seconds. Scattered showers in the evening.
.WEDNESDAY...East winds around 5 knots. Seas around 2 feet. Wave
Detail: Southeast 1 foot at 6 seconds and northeast 1 foot at
7 seconds. Numerous showers in the afternoon.
.WEDNESDAY NIGHT...East winds around 5 knots, increasing to 5 to
10 knots after midnight. Seas around 2 feet. Wave Detail: South
1 foot at 6 seconds and northeast 1 foot at 7 seconds.
.THURSDAY...East winds 5 to 10 knots, diminishing to around 5 knots
in the afternoon. Seas 2 to 3 feet. Scattered showers in the
afternoon.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
.FRIDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Numerous
showers in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ745-012015-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
356 AM AST Mon Sep 1 2025

.TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 1 foot at 4 seconds. Isolated showers early this
afternoon. Scattered showers with isolated thunderstorms late.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 1 foot at 4 seconds.
.TUESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 4 seconds. Scattered showers in the
afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 4 seconds.
.WEDNESDAY...East winds 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 25 knots in the afternoon. Seas around
2 feet. Wave Detail: Southeast 2 feet at 5 seconds. Scattered
showers in the afternoon.
.WEDNESDAY NIGHT...East 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: Southeast 2 feet at 5 seconds.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 3 feet.
.FRIDAY...East winds 5 to 10 knots. Seas around 2 feet.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$