Coastal Waters Forecast
Issued by NWS San Juan, PR

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883
FZCA52 TJSJ 250754
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
354 AM AST Fri Jul 25 2025

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-252015-
354 AM AST Fri Jul 25 2025

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A surface high pressure over the Atlantic and tropical waves moving
across the Caribbean Sea will promote moderate to fresh trades over
the next few days. Seas will slightly subside from this morning
onward, however Small Craft should continue to exercise caution due
to winds. Afternoon thunderstorms are expected each day over portions
of western Puerto Rico and surrounding waters.

$$

AMZ711-252015-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
354 AM AST Fri Jul 25 2025

.TODAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas
around 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at
7 seconds. Scattered showers, mainly this morning.
.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
7 seconds.
.SATURDAY...East winds 10 to 15 knots with gusts up to 25 knots.
Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet
at 7 seconds.
.SATURDAY NIGHT...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 6 seconds. Scattered showers after midnight.
.SUNDAY...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
7 seconds. Scattered showers.
.SUNDAY NIGHT...East 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 7 seconds. Scattered showers.
.MONDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally
to 6 feet. Scattered showers.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Scattered showers.
.TUESDAY...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally
to 8 feet. Scattered showers in the morning.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Scattered showers.

$$

AMZ712-252015-
Coastal Waters of Northern Puerto Rico out 10 NM-
354 AM AST Fri Jul 25 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds 10 to 15 knots, increasing to 15 to 20 knots
late. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
Northeast 5 feet at 7 seconds. Scattered showers, mainly this
morning.
.TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas
3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet
at 7 seconds.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots,
increasing to 15 to 20 knots with gusts up to 30 knots in the
afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
Northeast 4 feet at 7 seconds.
.SATURDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Gusts up to 30 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 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 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 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: Northeast
3 feet at 6 seconds. Scattered showers.
.MONDAY...East winds 10 to 15Stay informed with knots, increasing to
15 to 20 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5
feet. Scattered showers in the morning, then numerous showers in the
afternoon.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Scattered showers.
.TUESDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet.
Scattered showers.
.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.

$$

AMZ716-252015-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
354 AM AST Fri Jul 25 2025

.TODAY...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
6 seconds. Scattered showers early this morning, then isolated
showers late this morning and afternoon.
.TONIGHT...East winds around 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast
3 feet at 6 seconds. Scattered showers after midnight.
.SATURDAY...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.
.SATURDAY 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 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: East 4 feet at 5 seconds and north 1 foot at 8 seconds.
Scattered showers.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots.
Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast
3 feet at 6 seconds. Scattered showers.
.MONDAY...East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Numerous showers, mainly in the morning.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Scattered showers.
.TUESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally
to 6 feet. Scattered showers.
.TUESDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

AMZ723-252015-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
354 AM AST Fri Jul 25 2025

.TODAY...East winds around 15 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.
.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 after midnight.
.SATURDAY...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.
.SATURDAY NIGHT...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 6 seconds. Scattered showers.
.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 4 feet at 7 seconds. Numerous showers.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots.
Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet
at 4 seconds and east 3 feet at 7 seconds. Scattered showers.
.MONDAY...East winds 15 to 20 knots. Seas around 4 feet,
occasionally to 5 feet, building to 5 to 6 feet, occasionally to
8 feet in the afternoon. Numerous showers, mainly in the morning.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas around 6 feet,
occasionally to 8 feet.
.TUESDAY...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally
to 8 feet. Scattered showers in the morning.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet.

$$

AMZ726-252015-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
354 AM AST Fri Jul 25 2025

.TODAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 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 2 feet at
5 seconds. Scattered showers after midnight.
.SATURDAY...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 6 seconds. Scattered showers in the morning.
.SATURDAY 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 4 feet at 6 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: East 4 feet at 6 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: Southeast
2 feet at 6 seconds. Scattered showers.
.MONDAY...East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Numerous showers, mainly in the morning.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Scattered showers.
.TUESDAY...East winds around 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Scattered showers.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet.

$$

AMZ733-252015-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
354 AM AST Fri Jul 25 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas
4 to 6 feet, occasionally to 8 feet. Wave Detail: East 4 feet at
7 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.
.SATURDAY...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.
.SATURDAY NIGHT...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.
.SUNDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave
Detail: East 4 feet at 6 seconds. Numerous showers.
.SUNDAY NIGHT...East winds 10 to 15 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.
.MONDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally
to 6 feet. Scattered showers.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Scattered showers.
.TUESDAY...East winds 15 to 20 knots. Seas 5 to 7 feet, occasionally
to 9 feet. Scattered showers.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet.

$$

AMZ735-252015-
Coastal Waters of Southern Puerto Rico out 10 NM-
354 AM AST Fri Jul 25 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds 10 to 15 knots, increasing to 15 to 20 knots
this afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave
Detail: Southeast 4 feet at 7 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: Southeast 4 feet
at 7 seconds.
.SATURDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: Southeast 4 feet at 6 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to
25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
Southeast 4 feet at 6 seconds. Scattered showers after midnight.
.SUNDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas
3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet
at 6 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: Southeast
4 feet at 6 seconds. Numerous showers.
.MONDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Scattered
showers in the afternoon.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Scattered showers.
.TUESDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet.
Scattered showers.
.TUESDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet.

$$

AMZ741-252015-
Mona Passage Southward to 17N-
354 AM AST Fri Jul 25 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots
this afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave
Detail: Southeast 4 feet at 7 seconds and northeast 2 feet at
6 seconds. Isolated showers this morning, then scattered showers
this afternoon.
.TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas
4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet
at 7 seconds and northeast 2 feet at 5 seconds.
.SATURDAY...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: Southeast 4 feet at 7 seconds and north 2 feet at 5 seconds.
Scattered showers.
.SATURDAY NIGHT...East winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Southeast 4 feet at 7 seconds and northeast 2 feet at 5 seconds.
Scattered showers after midnight.
.SUNDAY...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
6 seconds. Scattered showers.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet
at 7 seconds. Numerous showers.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 5 feet, occasionally
to 6 feet. Scattered showers.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Numerous showers.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Scattered showers.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Scattered showers.

$$

AMZ742-252015-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
354 AM AST Fri Jul 25 2025

.TODAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas
2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet
at 4 seconds and south 1 foot at 7 seconds. Isolated showers this
morning, then showers with isolated thunderstorms this afternoon.
.TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas
2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet
at 5 seconds and south 1 foot at 7 seconds.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: Northeast 2 feet at 5 seconds and south
1 foot at 7 seconds. Scattered showers in the afternoon.
.SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to
25 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail:
Northeast 3 feet at 5 seconds and south 1 foot at 7 seconds.
.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 6 seconds
and south 1 foot at 7 seconds. 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 7 seconds. Scattered showers.
.MONDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Scattered showers in the morning, then numerous showers
in the afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.
Scattered showers.
.TUESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Numerous
showers in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.
Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ745-252015-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
354 AM AST Fri Jul 25 2025

.TODAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to
4 feet. Wave Detail: South 2 feet at 7 seconds and north 1 foot at
2 seconds. Scattered showers with isolated thunderstorms this
afternoon.
.TONIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 7 seconds and north 1 foot at 4 seconds.
.SATURDAY...East winds around 5 knots, becoming southeast in the
afternoon. Seas around 2 feet. Wave Detail: South 2 feet at
6 seconds. Scattered showers in the afternoon.
.SATURDAY NIGHT...Northeast winds around 5 knots, becoming east
after midnight. Seas around 2 feet. Wave Detail: South 2 feet at
7 seconds and north 1 foot at 5 seconds.
.SUNDAY...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: South 2 feet at 7 seconds and north 1 foot
at 3 seconds. Scattered 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.
.MONDAY...East winds 5 to 10 knots. Seas around 2 feet. Scattered
showers in the morning, then numerous showers in the afternoon.
.MONDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet.
Scattered showers.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Scattered showers in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.

Winds and seas higher in and near thunderstorms.

$$