Coastal Waters Forecast
Issued by NWS San Juan, PR

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110
FZCA52 TJSJ 260715
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
315 AM AST Sat Jul 26 2025

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-262015-
315 AM AST Sat Jul 26 2025

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A moderate to locally fresh easterly wind flow will continue to
prevail across the local waters during the weekend into early next
week. A tropical wave will reach the area late tonight into Sunday,
increasing the chance for showers and thunderstorms, particularly
across the Caribbean waters and local passages. A second tropical
wave is forecast to arrive early next week.

$$

AMZ711-262015-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
315 AM AST Sat Jul 26 2025

.TODAY...East winds around 15 knots with gusts up to 25 knots. Seas
around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
7 seconds. Isolated showers late this morning and early afternoon.
.TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas
around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
7 seconds. Scattered showers.
.SUNDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. Seas around 4 feet, occasionally to 5 feet. Wave
Detail: Northeast 4 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 4 feet
at 7 seconds. Scattered 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: Southeast 3 feet
at 6 seconds and northeast 1 foot at 9 seconds. Scattered showers.
.MONDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet
at 8 seconds and southeast 3 feet at 5 seconds. Scattered showers.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet, occasionally
to 6 feet.
.TUESDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet.
.WEDNESDAY...East winds 10 to 15 knots. Seas around 4 feet,
occasionally to 5 feet.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas around 4 feet,
occasionally to 5 feet.

$$

AMZ712-262015-
Coastal Waters of Northern Puerto Rico out 10 NM-
315 AM AST Sat Jul 26 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds 10 to 15 knots, increasing to 15 to 20 knots
this afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: Northeast 4 feet at 7 seconds. Isolated showers this
morning.
.TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet
at 6 seconds. Numerous showers.
.SUNDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet
at 6 seconds. Numerous showers.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at 7 seconds.
Scattered showers.
.MONDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Gusts up to 25 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: East 3 feet at 7 seconds. Scattered showers.
.MONDAY NIGHT...East winds 10 to 15 knots, becoming southeast 5 to
10 knots after midnight. Gusts up to 25 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 4 seconds and
east 3 feet at 7 seconds. Scattered showers in the evening.
.TUESDAY...Southeast winds 10 to 15 knots, becoming east 15 to
20 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet.
Scattered showers in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.WEDNESDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

AMZ716-262015-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
315 AM AST Sat Jul 26 2025

.TODAY...East winds around 15 knots with gusts up to 25 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at
5 seconds. Isolated showers.
.TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet
at 5 seconds. Scattered showers.
.SUNDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: Northeast 4 feet at 6 seconds. Numerous showers.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast
3 feet at 6 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: Southeast 2 feet at 4 seconds and northeast
2 feet at 7 seconds. Scattered showers in the morning, then numerous
showers in the afternoon.
.MONDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet
at 4 seconds and northeast 2 feet at 8 seconds. Scattered showers.
.TUESDAY...East winds around 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.TUESDAY NIGHT...East winds around 15 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.
.WEDNESDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

AMZ723-262015-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
315 AM AST Sat Jul 26 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas
4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at
6 seconds. Isolated showers this morning. Scattered showers late.
.TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas
4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at
6 seconds. Scattered showers in the evening, then numerous showers
after midnight.
.SUNDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave
Detail: East 5 feet at 7 seconds. Numerous showers, mainly in the
morning.
.SUNDAY 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 6 seconds. Scattered showers in the evening.
.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
6 seconds and northeast 1 foot at 9 seconds. Numerous showers in the
morning.
.MONDAY NIGHT...East winds around 15 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
East 4 feet at 5 seconds and east 4 feet at 8 seconds. Scattered
showers after midnight.
.TUESDAY...East winds around 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.TUESDAY NIGHT...East winds around 15 knots. Seas around 4 feet,
occasionally to 5 feet.
.WEDNESDAY...East winds 10 to 15 knots. Seas around 4 feet,
occasionally to 5 feet.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas around 4 feet,
occasionally to 5 feet.

$$

AMZ726-262015-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
315 AM AST Sat Jul 26 2025

.TODAY...East winds around 15 knots with gusts up to 25 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
6 seconds. Isolated showers.
.TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
6 seconds. Scattered showers in the evening, then numerous showers
after midnight.
.SUNDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: East 4 feet at 6 seconds. Showers.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet
at 6 seconds. Numerous showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers
in the morning, then numerous showers in the afternoon.
.MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots.
Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast
3 feet at 4 seconds and east 2 feet at 7 seconds. Scattered showers.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet.
.TUESDAY NIGHT...East winds 10 to 15 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.
.WEDNESDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

AMZ733-262015-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
315 AM AST Sat Jul 26 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas
4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at
6 seconds. Isolated showers.
.TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas
4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at
6 seconds. Scattered showers in the evening, then numerous showers
after midnight.
.SUNDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave
Detail: East 5 feet at 6 seconds. 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 6 seconds. Numerous showers.
.MONDAY...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
6 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 6 seconds. Scattered showers in the evening.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas around 4 feet,
occasionally to 5 feet.
.WEDNESDAY...East winds around 15 knots. Seas around 4 feet,
occasionally to 5 feet.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet.

$$

AMZ735-262015-
Coastal Waters of Southern Puerto Rico out 10 NM-
315 AM AST Sat Jul 26 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds 10 to 15 knots, increasing to 15 to 20 knots
this afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: East 4 feet at 6 seconds. Isolated showers.
.TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
6 seconds. Scattered showers after midnight.
.SUNDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
6 seconds. Showers.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots after midnight. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds.
Scattered showers.
.MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 3 feet
at 6 seconds. Scattered showers in the afternoon.
.MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast
3 feet at 6 seconds. Scattered showers in the evening.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally
to 4 feet.
.TUESDAY NIGHT...East winds 10 to 15 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.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

AMZ741-262015-
Mona Passage Southward to 17N-
315 AM AST Sat Jul 26 2025

.TODAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas
3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at
7 seconds. Isolated showers early this afternoon. Scattered showers
late.
.TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas
3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at
7 seconds.
.SUNDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave
Detail: East 5 feet at 7 seconds. Scattered showers in the morning,
then numerous showers in the afternoon.
.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 4 feet
at 7 seconds. Scattered 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
6 seconds. Scattered showers.
.MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots.
Seas around 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet
at 6 seconds. Scattered showers in the evening.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet.
.TUESDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet.
.WEDNESDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet.

$$

AMZ742-262015-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
315 AM AST Sat Jul 26 2025

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

Winds and seas higher in and near thunderstorms.

$$

AMZ745-262015-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
315 AM AST Sat Jul 26 2025

.TODAY...East winds around 5 knots, becoming southeast late. Seas
around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and north
1 foot at 4 seconds. Scattered showers with isolated thunderstorms
early this afternoon. Showers with isolated thunderstorms late.
.TONIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: North 1 foot at 5 seconds and southeast 1 foot at 6 seconds.
Scattered showers in the evening.
.SUNDAY...East winds 5 to 10 knots, becoming southeast 15 to
20 knots with gusts up to 25 knots in the afternoon. Seas 2 to
3 feet, occasionally to 4 feet. Wave Detail: Southeast 2 feet at
6 seconds and north 1 foot at 4 seconds. Scattered showers in the
morning, then numerous showers in the afternoon.
.SUNDAY 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,
occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds.
Scattered showers in the evening.
.MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. Numerous showers in the
afternoon.
.MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds.
Scattered showers in the evening.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.WEDNESDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet, occasionally to 4 feet.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$