152
FZCA52 TJSJ 012019
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
419 PM AST Mon Sep 1 2025

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-020915-
419 PM 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, producing moderate chops
to localized choppy seas. 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 is expected
to increase the frequency of showers and thunderstorms, potentially
resulting in localized hazardous marine conditions.

$$

AMZ711-020915-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
419 PM AST Mon Sep 1 2025

.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. Isolated showers early this evening, then isolated
thunderstorms late this evening and early morning. Scattered showers
late this evening and overnight.
.TUESDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas
around 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
25 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 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 4 feet at 7 seconds and north
1 foot at 11 seconds.
.WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to
25 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds
and southeast 2 feet at 5 seconds.
.THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet. Wave Detail: East 3 feet at 8 seconds and
southeast 1 foot at 5 seconds.
.THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to
25 knots. Seas 3 to 4 feet.
.FRIDAY...East winds 10 to 15 knots. Seas around 4 feet.
.FRIDAY NIGHT...East winds around 15 knots. Seas around 4 feet.
Scattered showers.
.SATURDAY...East winds 10 to 15 knots. Seas around 4 feet.
.SATURDAY NIGHT...East winds around 15 knots. Seas around 4 feet.
Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ712-020915-
Coastal Waters of Northern Puerto Rico out 10 NM-
419 PM AST Mon Sep 1 2025

.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds and northeast 1 foot at 7 seconds.
Isolated thunderstorms this evening. Scattered showers.
.TUESDAY...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: East 2 feet at 4 seconds and northeast 1 foot at 7 seconds.
Scattered showers in the afternoon.
.TUESDAY NIGHT...Southeast 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 2 feet at 5 seconds and northeast 2 feet
at 8 seconds. Scattered showers.
.WEDNESDAY...East winds 10 to 15 knots with gusts up to 25 knots.
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 around
3 feet. Wave Detail: East 3 feet at 7 seconds and north 1 foot at
11 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. Wave Detail: East 3 feet at
7 seconds and north 1 foot at 9 seconds.
.THURSDAY 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.
.FRIDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. Seas 3 to 4 feet. Scattered showers in the afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.
.SATURDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. Seas 3 to 4 feet. Scattered showers in the
afternoon.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ716-020915-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
419 PM AST Mon Sep 1 2025

.TONIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 3 seconds and northeast 1 foot at 7 seconds.
Isolated showers this evening, then scattered showers after
midnight.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 4 seconds and northeast 2 feet at
8 seconds. Scattered showers in the afternoon.
.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 3 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: East 3 feet at 6 seconds.
Scattered showers.
.THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds and
southeast 2 feet at 5 seconds.
.THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet.
.FRIDAY...East winds around 15 knots. Seas around 3 feet. Scattered
showers in the afternoon.
.FRIDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet.
Scattered showers.
.SATURDAY...East winds around 15 knots. Seas 3 to 4 feet. Scattered
showers in the morning.
.SATURDAY NIGHT...East winds around 15 knots. Seas around 3 feet.
Scattered showers.

$$

AMZ723-020915-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
419 PM AST Mon Sep 1 2025

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

$$

AMZ726-020915-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
419 PM AST Mon Sep 1 2025

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

$$

AMZ733-020915-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
419 PM AST Mon Sep 1 2025

.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. Scattered
showers.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
East 3 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.
Scattered showers after midnight.
.WEDNESDAY...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. 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 6 seconds.
.THURSDAY...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. Scattered
showers in the morning.
.THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas around 3 feet.
.FRIDAY...East winds around 15 knots. Seas 3 to 4 feet. Scattered
showers.
.FRIDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet.
Scattered showers.
.SATURDAY...East winds 15 to 20 knots. Seas around 4 feet. Scattered
showers.
.SATURDAY NIGHT...East winds around 15 knots. Seas around 4 feet.
Numerous showers.

$$

AMZ735-020915-
Coastal Waters of Southern Puerto Rico out 10 NM-
419 PM AST Mon Sep 1 2025

.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds. Scattered showers early this
evening, then isolated showers late this evening and early morning.
Scattered showers late.
.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 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: East 2 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: East 3 feet at 5 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 3 feet at 5 seconds.
.THURSDAY...East winds 10 to 15 knots with gusts up to 25 knots.
Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds.
.THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. 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.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Scattered
showers in the morning.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.

$$

AMZ741-020915-
Mona Passage Southward to 17N-
419 PM AST Mon Sep 1 2025

.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. Isolated showers
this evening. Scattered showers after midnight, then isolated
showers late.
.TUESDAY...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.
.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 after midnight.
.WEDNESDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 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 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds.
.THURSDAY...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.
.THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 3 to 4 feet.
.SATURDAY...East winds 15 to 20 knots. Seas 3 to 4 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.

$$

AMZ742-020915-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
419 PM AST Mon Sep 1 2025

.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 4 seconds. Numerous showers with isolated
thunderstorms early this evening.
.TUESDAY...East winds around 5 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 4 seconds. 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: South 1 foot at 5 seconds and northeast 1 foot at 7 seconds.
Numerous showers in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 5 seconds and northeast 1 foot at
7 seconds.
.THURSDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
Northeast 2 feet at 6 seconds and south 1 foot at 6 seconds.
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.
.SATURDAY...East winds 5 to 10 knots, diminishing to around 5 knots
in the afternoon. Seas 2 to 3 feet. Numerous showers in the
afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ745-020915-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
419 PM AST Mon Sep 1 2025

.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 1 foot at 4 seconds. Isolated showers early this
evening.
.TUESDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots.
Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds.
.WEDNESDAY...Southeast winds 10 to 15 knots with gusts up to
25 knots. 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. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
5 seconds.
.THURSDAY...East winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 6 seconds.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
.FRIDAY...East winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Seas around 2 feet.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 3 feet.

$$