Coastal Waters Forecast
Issued by NWS San Juan, PR

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FZCA52 TJSJ 020800
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
400 AM AST Wed Jul 2 2025

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-022100-
400 AM AST Wed Jul 2 2025

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
Choppy seas are expected to continue across the local Atlantic and
Caribbean waters due persistent moderate to fresh easterly winds.
A weak tropical wave is forecast to move over the local waters on
Friday, increasing shower and thunderstorm chances. Saharan dust will
follow the tropical wave, with hazy skies returning on Saturday and
Sunday.

$$

AMZ711-022100-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
400 AM AST Wed Jul 2 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...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 and north 2 feet at 8 seconds. Scattered showers.
.TONIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas
5 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at
8 seconds and northeast 2 feet at 10 seconds. Scattered showers
after midnight.
.THURSDAY...East winds 10 to 15 knots with gusts up to 25 knots.
Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet
at 8 seconds and northeast 2 feet at 10 seconds.
.THURSDAY NIGHT...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 8 seconds and northeast 2 feet at 9 seconds.
Scattered showers after midnight.
.FRIDAY...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
8 seconds and northeast 2 feet at 9 seconds. Scattered showers in
the morning.
.FRIDAY NIGHT...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 8 seconds and southeast 1 foot at 4 seconds. Scattered showers in
the evening.
.SATURDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. Seas around 4 feet, occasionally to 5 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas around 4 feet,
occasionally to 5 feet.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers.

$$

AMZ712-022100-
Coastal Waters of Northern Puerto Rico out 10 NM-
400 AM AST Wed Jul 2 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 4 to 5 feet, occasionally to 6 feet. Wave Detail:
Northeast 5 feet at 7 seconds and north 2 feet at 8 seconds.
Scattered showers early this morning, then isolated showers late
this morning. Scattered showers this afternoon.
.TONIGHT...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 6 feet, occasionally to 8 feet. Wave Detail:
Northeast 5 feet at 7 seconds and north 2 feet at 8 seconds.
Numerous showers after midnight.
.THURSDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. Seas around 4 feet, occasionally to 5 feet. Wave
Detail: East 4 feet at 7 seconds and northeast 2 feet at 10 seconds.
.THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
7 seconds and northeast 2 feet at 10 seconds. Scattered showers
after midnight.
.FRIDAY...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: East 3 feet at 7 seconds and northeast 2 feet at 9 seconds.
Scattered showers.
.FRIDAY 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 and northeast 1 foot at 9 seconds.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet.
.SUNDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. Seas 3 to 4 feet, occasionally to 5 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers.

$$

AMZ716-022100-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
400 AM AST Wed Jul 2 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...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.
.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
7 seconds and southeast 2 feet at 4 seconds. Scattered showers after
midnight.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 7 seconds and
southeast 2 feet at 4 seconds.
.THURSDAY 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 4 seconds and east 2 feet at 7 seconds.
Scattered showers after midnight.
.FRIDAY...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 4 seconds and east 2 feet at 7 seconds. Scattered showers.
.FRIDAY 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
3 feet at 4 seconds and east 2 feet at 7 seconds.
.SATURDAY...East winds around 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally
to 4 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.

$$

AMZ723-022100-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
400 AM AST Wed Jul 2 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 5 feet at
6 seconds and north 1 foot at 9 seconds. Scattered showers until
late afternoon, then isolated showers late.
.TONIGHT...East winds around 15 knots with gusts up to 20 knots.
Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet
at 6 seconds and northeast 1 foot at 9 seconds. Scattered showers in
the evening.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 6 seconds and
northeast 2 feet at 10 seconds.
.THURSDAY 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 northeast 2 feet at 10 seconds.
Scattered showers.
.FRIDAY...East winds around 15 knots with gusts up to 20 knots. Seas
around 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet
at 5 seconds and east 2 feet at 8 seconds.
.FRIDAY NIGHT...East winds around 15 knots with gusts up to
25 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail:
East 3 feet at 6 seconds and northeast 1 foot at 9 seconds.
Scattered showers in the evening.
.SATURDAY...East winds around 15 knots. Seas around 4 feet,
occasionally to 5 feet.
.SATURDAY NIGHT...East winds around 15 knots. Seas around 4 feet,
occasionally to 5 feet.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet.
.SUNDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

AMZ726-022100-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
400 AM AST Wed Jul 2 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. Scattered showers.
.TONIGHT...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. Scattered showers in the
evening.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 6 seconds.
.THURSDAY 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 after midnight.
.FRIDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
around 3 feet, occasionally to 4 feet. Wave Detail: Southeast 2 feet
at 5 seconds and east 2 feet at 8 seconds. Scattered showers.
.FRIDAY 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. Scattered showers after midnight.
.SATURDAY...East winds around 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers in the morning.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.SUNDAY...East winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet. Scattered showers in the morning.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.

$$

AMZ733-022100-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
400 AM AST Wed Jul 2 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

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

$$

AMZ735-022100-
Coastal Waters of Southern Puerto Rico out 10 NM-
400 AM AST Wed Jul 2 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
6 seconds. Scattered showers early this morning, then isolated
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
7 seconds. Scattered showers.
.THURSDAY...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.
.THURSDAY 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.
.FRIDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas
around 3 feet, occasionally to 4 feet. Wave Detail: Southeast 3 feet
at 6 seconds.
.FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 3 feet, occasionally to 4 feet. Wave Detail: Southeast
3 feet at 6 seconds.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers in the morning.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Scattered showers in the morning.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

AMZ741-022100-
Mona Passage Southward to 17N-
400 AM AST Wed Jul 2 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.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
5 feet at 7 seconds and north 1 foot at 8 seconds. Scattered showers
early this morning, then isolated showers late this morning and
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: East 4 feet at
7 seconds and north 1 foot at 8 seconds.
.THURSDAY...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 and north 1 foot at 8 seconds.
.THURSDAY 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 and north 2 feet at 8 seconds. Scattered
showers after midnight.
.FRIDAY...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 and north 2 feet at 9 seconds. Numerous showers in the
afternoon.
.FRIDAY 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 3 feet at 7 seconds and north 2 feet at 9 seconds.
Scattered showers in the evening.
.SATURDAY...East winds 15 to 20 knots, becoming southeast 10 to
15 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet.
Scattered showers in the afternoon.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Scattered showers in the afternoon.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

AMZ742-022100-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
400 AM AST Wed Jul 2 2025

.TODAY...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Northeast 3 feet at 7 seconds and south 1 foot
at 7 seconds. Scattered showers early this afternoon. Numerous
showers with isolated thunderstorms late.
.TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: North 2 feet at 8 seconds and south 1 foot
at 5 seconds.
.THURSDAY...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 south 1 foot at 5 seconds.
Scattered showers in the afternoon.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 2 feet at 10 seconds
and south 1 foot at 5 seconds.
.FRIDAY...East winds around 5 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: Northeast 2 feet at 9 seconds and south
1 foot at 6 seconds. Numerous showers in the afternoon.
.FRIDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 2 feet at 9 seconds
and south 1 foot at 6 seconds.
.SATURDAY...East winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers in the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Scattered showers in the afternoon.
.SUNDAY 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.

$$

AMZ745-022100-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
400 AM AST Wed Jul 2 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds 10 to 15 knots, becoming southeast 15 to
20 knots late this morning, then diminishing to 10 to 15 knots this
afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail:
Southeast 3 feet at 6 seconds and north 1 foot at 6 seconds.
Isolated showers this morning.
.TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas
2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 3 feet
at 6 seconds and north 1 foot at 6 seconds.
.THURSDAY...Southeast winds 10 to 15 knots with gusts up to
25 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail:
Southeast 2 feet at 5 seconds.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming east 10 to
15 knots with gusts up to 20 knots after midnight. Seas around
2 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.FRIDAY...East winds 5 to 10 knots, becoming southeast 10 to
15 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. Numerous showers in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.SUNDAY...East winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.

$$