Coastal Waters Forecast
Issued by NWS San Juan, PR

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176
FZCA52 TJSJ 040733
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
333 AM AST Mon Aug 4 2025

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-042015-
333 AM AST Mon Aug 4 2025

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...

A surface high pressure over the central Atlantic will promote
moderate to locally fresh winds through early this week. Hazy
skies are anticipated today, due to the arrival of Saharan dust.

$$

AMZ711-042015-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
333 AM AST Mon Aug 4 2025

.TODAY...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
8 seconds and south 1 foot at 4 seconds. Isolated showers until late
afternoon.
.TONIGHT...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
8 seconds and southeast 1 foot at 5 seconds.
.TUESDAY...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
8 seconds and north 1 foot at 9 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 4 feet at 8 seconds and north 1 foot at 9 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 3 feet
at 8 seconds and north 2 feet at 9 seconds. Scattered showers in the
morning.
.WEDNESDAY 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 3 feet at 5 seconds and east 3 feet at 8 seconds.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet.
.FRIDAY...East winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

AMZ712-042015-
Coastal Waters of Northern Puerto Rico out 10 NM-
333 AM AST Mon Aug 4 2025

.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 3 to 4 feet, occasionally to 5 feet. Wave Detail:
Northeast 4 feet at 8 seconds. Isolated showers.
.TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas
3 to 5 feet, occasionally to 6 feet. Wave Detail: East 3 feet at
8 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: Northeast 4 feet
at 8 seconds and north 1 foot at 10 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:
Northeast 3 feet at 8 seconds and north 1 foot at 10 seconds.
.WEDNESDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots
with gusts up to 25 knots in the afternoon. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at 8 seconds
and north 2 feet at 10 seconds.
.WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to
25 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at
5 seconds and northeast 3 feet at 9 seconds.
.THURSDAY...East winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet.
.FRIDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Seas around 3 feet, occasionally to 4 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas around 3 feet, occasionally to 4 feet.

$$

AMZ716-042015-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
333 AM AST Mon Aug 4 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: Southeast 3 feet
at 5 seconds and northeast 3 feet at 8 seconds. Isolated showers
until late afternoon.
.TONIGHT...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
8 seconds and east 2 feet at 4 seconds.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and east
2 feet at 4 seconds. Scattered showers.
.TUESDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: East 2 feet at 5 seconds and
northeast 2 feet at 8 seconds.
.WEDNESDAY...East winds around 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: East 2 feet at 6 seconds and
northwest 1 foot at 9 seconds. Scattered showers.
.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:
East 2 feet at 5 seconds and northeast 1 foot at 8 seconds.
Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.THURSDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.
.FRIDAY...East winds around 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Scattered showers in the morning.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.

$$

AMZ723-042015-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
333 AM AST Mon Aug 4 2025

.TODAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots
late. Seas around 4 feet, occasionally to 5 feet. Wave Detail: East
4 feet at 5 seconds and east 3 feet at 8 seconds. Isolated showers
until late afternoon.
.TONIGHT...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 3 feet at 8 seconds.
.TUESDAY...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 northeast 3 feet at 8 seconds.
.TUESDAY 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 5 seconds and northeast 2 feet at 8 seconds.
Scattered showers after midnight.
.WEDNESDAY...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 northeast 1 foot at 9 seconds.
.WEDNESDAY 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 5 seconds and northeast 2 feet at 10 seconds.
.THURSDAY...East winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet. Scattered showers.
.FRIDAY...East winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet.

$$

AMZ726-042015-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
333 AM AST Mon Aug 4 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: Southeast 3 feet
at 5 seconds and east 3 feet at 8 seconds. Isolated showers until
late afternoon.
.TONIGHT...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.
.TUESDAY...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. Scattered showers in the morning.
.TUESDAY 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 2 feet at 6 seconds.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: East 2 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, occasionally to 4 feet. Wave Detail:
East 2 feet at 6 seconds. Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers in the afternoon.
.THURSDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.
.FRIDAY...East winds around 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Scattered showers in the morning.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.

$$

AMZ733-042015-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
333 AM AST Mon Aug 4 2025

.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
7 seconds. Isolated showers until late afternoon.
.TONIGHT...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.
.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
7 seconds. Scattered showers in the morning.
.TUESDAY 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. Scattered showers after midnight.
.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 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, occasionally to 4 feet. Wave Detail:
East 3 feet at 5 seconds and northeast 2 feet at 8 seconds.
.THURSDAY...East winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet. Scattered showers.
.FRIDAY...East winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet.

$$

AMZ735-042015-
Coastal Waters of Southern Puerto Rico out 10 NM-
333 AM AST Mon Aug 4 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: Southeast 3 feet
at 6 seconds. Isolated showers until late 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: Southeast 3 feet
at 6 seconds.
.TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at
6 seconds.
.TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots, becoming northeast 5 to 10 knots after midnight. Seas 2 to
3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at
6 seconds.
.WEDNESDAY...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 morning.
.WEDNESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet.
Wave Detail: East 3 feet at 5 seconds.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.
.FRIDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Seas 2 to 3 feet, occasionally to 4 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.

$$

AMZ741-042015-
Mona Passage Southward to 17N-
333 AM AST Mon Aug 4 2025

.TODAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots
late. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East
4 feet at 7 seconds. Isolated showers until late afternoon, then
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.
.TUESDAY...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 4 feet at 7 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 4 feet at 7 seconds and north 1 foot at 9 seconds. Scattered
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 3 feet
at 6 seconds and north 1 foot at 10 seconds. Scattered showers.
.WEDNESDAY 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 and north 1 foot at 9 seconds.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers in the afternoon.
.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.

$$

AMZ742-042015-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
333 AM AST Mon Aug 4 2025

.TODAY...East winds 5 to 10 knots, diminishing to around 5 knots
late this morning and early afternoon, then becoming northeast late.
Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast
2 feet at 8 seconds and south 1 foot at 5 seconds. Scattered showers
early this afternoon. Scattered showers with isolated thunderstorms
late.
.TONIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds and northeast
2 feet at 8 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: East 3 feet at 6 seconds.
.TUESDAY 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 2 feet at 6 seconds and north 1 foot at 10 seconds. Scattered
showers in the evening.
.WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 2 feet at 5 seconds
and north 1 foot at 10 seconds. Numerous showers in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 2 feet at 5 seconds
and north 2 feet at 9 seconds.
.THURSDAY...East winds around 5 knots, becoming northeast in the
afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Scattered
showers in the afternoon.
.THURSDAY NIGHT...East winds 5 to 10 knots. 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. Scattered showers in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ745-042015-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
333 AM AST Mon Aug 4 2025

.TODAY...East winds 10 to 15 knots, becoming southeast 15 to
20 knots early this afternoon, then diminishing to 10 to 15 knots
late. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail:
Southeast 3 feet at 6 seconds. Isolated showers this afternoon.
.TONIGHT...East winds 10 to 15 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.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds. Numerous showers in the
afternoon.
.TUESDAY NIGHT...Northeast winds around 5 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds and northwest 1 foot at
8 seconds. Scattered showers in the evening.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds and northwest 1 foot at
9 seconds. Numerous showers in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 2 feet at 5 seconds
and northwest 1 foot at 9 seconds.
.THURSDAY...East winds 5 to 10 knots. Seas around 2 feet. Scattered
showers in the afternoon.
.THURSDAY NIGHT...East winds around 5 knots. Seas around 2 feet.
.FRIDAY...Southeast winds around 5 knots. Seas around 2 feet.
Scattered showers in the afternoon.
.FRIDAY NIGHT...East winds around 5 knots. Seas around 2 feet.

$$