Coastal Waters Forecast
Issued by NWS San Juan, PR

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493
FZCA52 TJSJ 140804
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
404 AM AST Mon Jul 14 2025

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-142045-
404 AM AST Mon Jul 14 2025

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A surface high pressure will strengthen over the western Atlantic
early this week. Two tropical waves will move across the eastern
Caribbean on Tuesday and Wednesday. Therefore, moderate to locally
fresh trades and choppy seas are expected across the regional waters
by midweek. Increasing shower and thunderstorm activity is expected
from Tuesday through Thursday. Hazy conditions due to Saharan dust
will return from Thursday onward.

$$

AMZ711-142045-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
404 AM AST Mon Jul 14 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds 10 to 15 knots with gusts up to 25 knots,
increasing to 15 to 20 knots with gusts up to 25 knots late. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at
5 seconds and east 3 feet at 8 seconds. Isolated showers early this
morning, then scattered showers late this morning and afternoon.
.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
5 seconds and east 4 feet at 8 seconds.
.TUESDAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas
4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at
7 seconds.
.TUESDAY NIGHT...East winds 15 to 20 knots with gusts up to
30 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail:
East 6 feet at 7 seconds.
.WEDNESDAY...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet
at 7 seconds. Scattered showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots with gusts up to
25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail:
East 5 feet at 7 seconds. Scattered showers in the evening.
.THURSDAY...East winds 15 to 20 knots. Seas 5 to 6 feet,
occasionally to 8 feet.
.THURSDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet.
.FRIDAY...East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally
to 6 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

AMZ712-142045-
Coastal Waters of Northern Puerto Rico out 10 NM-
404 AM AST Mon Jul 14 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds 10 to 15 knots with gusts up to 20 knots,
increasing to 15 to 20 knots with gusts up to 30 knots this
afternoon. Seas around 3 feet, occasionally to 4 feet. Wave Detail:
East 3 feet at 5 seconds and northeast 3 feet at 9 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 25 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at
5 seconds and northeast 3 feet at 8 seconds.
.TUESDAY...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:
East 4 feet at 7 seconds. Scattered showers in the afternoon.
.TUESDAY NIGHT...East winds 15 to 20 knots with gusts up to
30 knots, diminishing to 10 to 15 knots with gusts up to 20 knots
after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave
Detail: Northeast 4 feet at 7 seconds.
.WEDNESDAY...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast
5 feet at 7 seconds. Scattered showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet.
Wave Detail: Northeast 5 feet at 7 seconds.
.THURSDAY...East winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.THURSDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

AMZ716-142045-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
404 AM AST Mon Jul 14 2025

.TODAY...East winds around 15 knots with gusts up to 20 knots. Seas
2 to 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at
5 seconds and northeast 1 foot at 8 seconds. Scattered showers.
.TONIGHT...East winds around 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.
.TUESDAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at
6 seconds. Scattered showers.
.TUESDAY 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.
.WEDNESDAY...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 6 seconds. Numerous showers, mainly in the morning.
.WEDNESDAY NIGHT...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 7 seconds and southeast 2 feet at 4 seconds.
Scattered showers in the evening.
.THURSDAY...East winds around 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers in the morning.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally
to 4 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

$$

AMZ723-142045-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
404 AM AST Mon Jul 14 2025

.TODAY...East winds around 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 northeast 3 feet at 8 seconds. Isolated showers early
this morning. Scattered showers late this morning, then isolated
showers early this afternoon.
.TONIGHT...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 and northeast 3 feet at 8 seconds.
.TUESDAY...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 8 seconds and east 3 feet at 5 seconds. Scattered showers.
.TUESDAY 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 5 feet at 7 seconds.
.WEDNESDAY...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. Scattered showers.
.WEDNESDAY 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 5 feet at 7 seconds. Scattered showers in the evening.
.THURSDAY...East winds 15 to 20 knots. Seas around 5 feet,
occasionally to 6 feet. Scattered showers in the morning.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.FRIDAY...East winds around 10 knots. Seas 3 to 4 feet, occasionally
to 5 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet.

$$

AMZ726-142045-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
404 AM AST Mon Jul 14 2025

.TODAY...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
5 seconds and east 1 foot at 8 seconds. Scattered showers.
.TONIGHT...East winds around 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.
.TUESDAY...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. Scattered showers.
.TUESDAY 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 4 feet at 6 seconds. Scattered showers.
.WEDNESDAY...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 6 seconds. Numerous showers.
.WEDNESDAY 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 4 feet at 6 seconds. Scattered showers in the evening.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Scattered showers in the morning.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

$$

AMZ733-142045-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
404 AM AST Mon Jul 14 2025

.TODAY...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
5 seconds and east 1 foot at 9 seconds. Isolated showers early this
morning, then scattered showers late this morning. Isolated showers
this afternoon.
.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
5 seconds and northeast 1 foot at 8 seconds. Scattered showers in
the evening.
.TUESDAY...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.
.TUESDAY 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 4 feet at 6 seconds. Scattered showers.
.WEDNESDAY...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.
.WEDNESDAY 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 7 seconds. Scattered showers in the evening.
.THURSDAY...East winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Scattered showers in the morning.
.THURSDAY NIGHT...East winds around 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet, occasionally
to 6 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

AMZ735-142045-
Coastal Waters of Southern Puerto Rico out 10 NM-
404 AM AST Mon Jul 14 2025

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

$$

AMZ741-142045-
Mona Passage Southward to 17N-
404 AM AST Mon Jul 14 2025

.TODAY...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
7 seconds. Isolated showers.
.TONIGHT...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.
.TUESDAY...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.
.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.
Wave Detail: East 4 feet at 6 seconds. Numerous showers in the
evening.
.WEDNESDAY...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.
.WEDNESDAY 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 7 seconds. Numerous showers.
.THURSDAY...East winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet.
.FRIDAY...East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally
to 6 feet. Scattered showers in the afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

AMZ742-142045-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
404 AM AST Mon Jul 14 2025

.TODAY...East winds 5 to 10 knots, becoming northeast early this
afternoon, then increasing to 5 to 10 knots late. Seas around
2 feet. Wave Detail: East 2 feet at 5 seconds. Numerous showers with
isolated thunderstorms this afternoon.
.TONIGHT...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 4 seconds. Scattered showers in the evening.
.TUESDAY...Northeast 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 4 seconds. Numerous showers in the afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 6 seconds
and south 1 foot at 6 seconds. Scattered showers.
.WEDNESDAY...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 7 seconds and south 1 foot at 6 seconds. Numerous 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
4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at
7 seconds and south 1 foot at 6 seconds. Numerous showers.
.THURSDAY...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Numerous showers in the afternoon.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet.
.FRIDAY NIGHT...East 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.

$$

AMZ745-142045-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
404 AM AST Mon Jul 14 2025

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

$$