434
FZCA52 TJSJ 261421
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
1021 AM AST Sat Apr 26 2025

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-270315-
1021 AM AST Sat Apr 26 2025

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
Light easterly winds will prevail through today increasing to
moderate tonight through early Sunday. A deep layer trough will
promote an unstable weather pattern across the local waters. Thus,
showers and thunderstorms are expected to develop from now on,
producing localized hazardous marine conditions. This unstable and
wet pattern will persist through at least next midweek. A long-period
northeasterly swell will spread across the Atlantic waters tonight
into Sunday, which could result in hazardous conditions for small
craft, mostly across the Atlantic waters.

$$

AMZ711-270315-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
1021 AM AST Sat Apr 26 2025

.REST OF TODAY...East winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds
and northeast 2 feet at 15 seconds. Scattered showers. Isolated
thunderstorms late this morning. Isolated thunderstorms late.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
around 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet
at 8 seconds and northeast 2 feet at 14 seconds. Scattered showers.
.SUNDAY...East winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots in the afternoon. Seas around 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 8 seconds and
northeast 2 feet at 13 seconds. Scattered showers.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 8 seconds and
northeast 2 feet at 13 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
around 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at
8 seconds and northeast 2 feet at 12 seconds. Scattered showers.
.MONDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail:
East 4 feet at 8 seconds and northeast 2 feet at 12 seconds.
Scattered showers.
.TUESDAY...East winds 10 to 15 knots. Seas around 4 feet,
occasionally to 5 feet. Numerous showers, mainly in the morning.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 4 feet,
occasionally to 5 feet. Scattered showers.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas around 4 feet,
occasionally to 5 feet. Scattered showers.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ712-270315-
Coastal Waters of Northern Puerto Rico out 10 NM-
1021 AM AST Sat Apr 26 2025

.REST OF TODAY...East winds 5 to 10 knots. Seas around 4 feet,
occasionally to 5 feet. Wave Detail: North 4 feet at 9 seconds and
north 2 feet at 15 seconds. Isolated thunderstorms. Scattered
showers late this morning, then numerous showers this afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet, occasionally
to 6 feet. Wave Detail: North 4 feet at 8 seconds and north 2 feet
at 14 seconds. Scattered showers after midnight.
.SUNDAY...East winds 5 to 10 knots. Seas 4 to 5 feet, occasionally
to 6 feet. Wave Detail: North 3 feet at 8 seconds and northeast
2 feet at 14 seconds. Scattered showers.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 3 feet at 8 seconds
and northeast 2 feet at 13 seconds. Scattered showers in the
evening, then numerous showers after midnight.
.MONDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: East 3 feet at 8 seconds and
northeast 2 feet at 12 seconds. Scattered showers.
.MONDAY NIGHT...East winds 5 to 10 knots with gusts up to 20 knots.
Seas around 4 feet, occasionally to 5 feet. Wave Detail: Northeast
3 feet at 8 seconds and northeast 2 feet at 12 seconds. Numerous
showers.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Numerous showers, mainly in the morning.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots, becoming east 5 to
10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet.
Numerous showers.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Numerous showers, mainly in the morning.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ716-270315-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
1021 AM AST Sat Apr 26 2025

.REST OF TODAY...Southeast winds 5 to 10 knots. Seas around 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds
and north 1 foot at 15 seconds. Scattered showers. Isolated
thunderstorms late this morning. Isolated thunderstorms late.
.TONIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots after midnight. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at 8 seconds
and northeast 2 feet at 14 seconds. Numerous showers.
.SUNDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 3 feet
at 8 seconds and east 2 feet at 4 seconds. Scattered showers.
.SUNDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at 8 seconds
and east 2 feet at 4 seconds. Numerous showers.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Wave Detail: East 3 feet at 8 seconds and northeast
2 feet at 12 seconds. Numerous showers, mainly in the morning.
.MONDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 8 seconds and
northeast 2 feet at 12 seconds. Numerous showers.
.TUESDAY...East winds around 10 knots. Seas around 3 feet,
occasionally to 4 feet. Numerous showers, mainly in the morning.
.TUESDAY NIGHT...Northeast winds around 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.WEDNESDAY...Northeast winds around 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ723-270315-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
1021 AM AST Sat Apr 26 2025

.REST OF TODAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds
and northeast 3 feet at 9 seconds. Scattered showers. Isolated
thunderstorms late this morning. Isolated thunderstorms late.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet
at 5 seconds and northeast 3 feet at 9 seconds. Scattered showers in
the evening, then numerous showers after midnight.
.SUNDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
around 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at
5 seconds and northeast 2 feet at 8 seconds. Scattered showers.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 5 feet, occasionally to 6 feet. Wave Detail: Southeast
3 feet at 5 seconds and northeast 3 feet at 8 seconds. Scattered
showers.
.MONDAY...East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally
to 6 feet. Wave Detail: Southeast 4 feet at 5 seconds and northeast
3 feet at 8 seconds. Numerous showers, mainly in the morning.
.MONDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds
and northeast 3 feet at 8 seconds. Scattered showers.
.TUESDAY...East winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Numerous showers, mainly in the morning.
.TUESDAY NIGHT...Northeast winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Seas around
3 feet, occasionally to 4 feet. Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ726-270315-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
1021 AM AST Sat Apr 26 2025

.REST OF TODAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: East 2 feet at 8 seconds and
southeast 1 foot at 4 seconds. Scattered showers. Isolated
thunderstorms late this morning. Isolated thunderstorms late.
.TONIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots after midnight. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 2 feet at 5 seconds
and east 2 feet at 8 seconds. Numerous showers.
.SUNDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at
5 seconds and east 2 feet at 8 seconds. Numerous showers, mainly in
the morning.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 2 feet at 5 seconds and
east 2 feet at 8 seconds. Numerous showers, mainly in the evening.
.MONDAY...East winds around 10 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Wave Detail: East 3 feet at 8 seconds and southeast
2 feet at 5 seconds. Numerous showers, mainly in the morning.
.MONDAY NIGHT...Northeast winds around 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: East 3 feet at 8 seconds and
southeast 2 feet at 5 seconds. Numerous showers.
.TUESDAY...East winds around 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Numerous showers, mainly in the morning.
.TUESDAY NIGHT...Northeast winds around 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.
.WEDNESDAY...Northeast winds around 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Numerous showers, mainly in the morning.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ733-270315-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
1021 AM AST Sat Apr 26 2025

.REST OF TODAY...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: East 2 feet at 4 seconds and
east 2 feet at 8 seconds. Scattered showers. Isolated thunderstorms
late this morning. Isolated thunderstorms late.
.TONIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots after midnight. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds and
east 2 feet at 8 seconds. Numerous showers.
.SUNDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at
7 seconds. Scattered showers.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet
at 7 seconds. Numerous showers.
.MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at
7 seconds. Scattered showers.
.MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet
at 7 seconds. Scattered showers.
.TUESDAY...East winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet. Scattered showers.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet. Scattered showers.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet. Scattered showers.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ735-270315-
Coastal Waters of Southern Puerto Rico out 10 NM-
1021 AM AST Sat Apr 26 2025

.REST OF TODAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds. Isolated showers. Isolated
thunderstorms late this morning. Isolated thunderstorms late.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 5 seconds and east 1 foot at 8 seconds.
Scattered showers after midnight.
.SUNDAY...East winds around 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: East 2 feet at 7 seconds. Scattered showers.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds.
Scattered showers in the evening, then numerous showers after
midnight.
.MONDAY...East winds 5 to 10 knots with gusts up to 20 knots. Seas
2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 2 feet
at 6 seconds. Scattered showers.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds.
Scattered showers.
.TUESDAY...Northeast winds 5 to 10 knots, becoming east 10 to
15 knots in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet.
Scattered showers.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming east 10 to
15 knots in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet.
Scattered showers.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ741-270315-
Mona Passage Southward to 17N-
1021 AM AST Sat Apr 26 2025

.REST OF TODAY...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: North 3 feet at 8 seconds and
east 2 feet at 4 seconds. Isolated showers.
.TONIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Wave Detail: Northeast 3 feet at 8 seconds and east
2 feet at 5 seconds. Scattered showers after midnight.
.SUNDAY...East winds 5 to 10 knots. Seas around 4 feet, occasionally
to 5 feet. Wave Detail: North 3 feet at 8 seconds and southeast
2 feet at 5 seconds. Scattered showers.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 2 feet at 6 seconds
and north 2 feet at 8 seconds. Scattered showers in the evening,
then numerous showers after midnight.
.MONDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds and northeast
2 feet at 7 seconds. Scattered showers in the afternoon.
.MONDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet.
Wave Detail: Southeast 2 feet at 6 seconds and northeast 2 feet at
8 seconds. Scattered showers.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers.
.WEDNESDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet.
Scattered showers.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to
5 feet.

$$

AMZ742-270315-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
1021 AM AST Sat Apr 26 2025

.REST OF TODAY...North winds 5 to 10 knots, becoming northeast late.
Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: North 3 feet
at 8 seconds and north 1 foot at 11 seconds. Scattered showers late
this morning, then numerous showers with isolated thunderstorms this
afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: North 3 feet at 8 seconds and north 2 feet
at 14 seconds. Scattered showers in the evening.
.SUNDAY...East winds 5 to 10 knots, becoming northeast in the
afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
North 3 feet at 8 seconds and north 2 feet at 14 seconds. Scattered
showers in the afternoon.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots, becoming east after
midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
North 3 feet at 8 seconds and north 2 feet at 13 seconds.
.MONDAY...East winds 5 to 10 knots, becoming northeast in the
afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
Northeast 2 feet at 7 seconds and northeast 2 feet at 13 seconds.
Showers in the afternoon.
.MONDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.
Wave Detail: Northeast 3 feet at 7 seconds and northeast 2 feet at
12 seconds. Scattered showers.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Scattered showers.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Scattered showers.
.WEDNESDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet.
Scattered showers in the morning, then numerous showers in the
afternoon.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Seas 2 to 3 feet, occasionally to
4 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ745-270315-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
1021 AM AST Sat Apr 26 2025

.REST OF TODAY...Southeast winds around 5 knots, becoming east late.
Seas around 2 feet. Wave Detail: North 2 feet at 8 seconds. Isolated
showers late this morning and early afternoon, then scattered
showers with isolated thunderstorms late.
.TONIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: North 2 feet at 8 seconds and southeast
1 foot at 5 seconds. Scattered showers in the evening.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: Southeast 2 feet at 4 seconds and north
2 feet at 8 seconds. Scattered showers in the afternoon.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots, diminishing to around
5 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet.
Wave Detail: North 2 feet at 8 seconds and southeast 1 foot at
6 seconds.
.MONDAY...East winds around 5 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: South 1 foot at 6 seconds and north 1 foot
at 8 seconds. Numerous showers in the afternoon.
.MONDAY NIGHT...Northeast winds around 5 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 6 seconds and north 1 foot at
8 seconds. Scattered showers.
.TUESDAY...Northeast winds around 5 knots. Seas around 2 feet.
Numerous showers in the afternoon.
.TUESDAY NIGHT...Northeast winds around 5 knots. Seas around 2 feet.
Scattered showers.
.WEDNESDAY...Northeast winds around 5 knots. Seas around 2 feet.
Showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Seas around
2 feet.

Winds and seas higher in and near thunderstorms.

$$