Coastal Waters Forecast
Issued by NWS San Juan, PR

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280
FZCA52 TJSJ 200803
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
403 AM AST Mon May 20 2024

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-202045-
403 AM AST Mon May 20 2024

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A surface high pressure across the central and northeast Atlantic
will drive the trade winds from the southeast at moderate speed.
A trough will develop south of Hispaniola, increasing shower and
thunderstorm activity across the local waters Wednesday onward. This
trough may increase winds across the Mona Passage and Atlantic waters
Wednesday night into Thursday.

$$

AMZ711-202045-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
403 AM AST Mon May 20 2024

.TODAY...Southeast 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 5 seconds and east 2 feet at 8 seconds. Scattered showers, mainly
this morning.
.TONIGHT...Southeast 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 2 feet 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 3 feet at
5 seconds and east 2 feet at 8 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 and east 2 feet at 8 seconds.
.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 5 seconds and north 1 foot at 7 seconds. Scattered showers in the
afternoon.
.WEDNESDAY NIGHT...East winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet.
Wave Detail: East 3 feet at 7 seconds and north 1 foot at 7 seconds.
.THURSDAY...East winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Numerous showers.
.THURSDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet.
Numerous showers.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers in the morning, then
numerous showers in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots, diminishing to around
5 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.
Scattered showers.

$$

AMZ712-202045-
Coastal Waters of Northern Puerto Rico out 10 NM-
403 AM AST Mon May 20 2024

.TODAY...East winds 5 to 10 knots with gusts up to 20 knots,
increasing to 10 to 15 knots with gusts up to 20 knots this
afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail:
East 2 feet at 4 seconds and northeast 1 foot at 8 seconds.
Scattered showers.
.TONIGHT...Southeast 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: East 2 feet at 5 seconds and
northeast 1 foot at 8 seconds. Scattered showers in the evening.
.TUESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave
Detail: Northeast 3 feet at 7 seconds. Scattered showers in the
afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet.
Wave Detail: Northeast 3 feet at 7 seconds. Scattered showers.
.WEDNESDAY...East winds 5 to 10 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 in the morning,
then numerous showers in the afternoon.
.WEDNESDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Gusts up to 30 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 7 seconds.
Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Numerous showers.
.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. Seas 2 to 3 feet, occasionally
to 4 feet. Scattered showers in the morning, then numerous showers
in the afternoon.
.FRIDAY NIGHT...East winds around 5 knots. Seas around 2 feet.
Scattered showers.

$$

AMZ716-202045-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
403 AM AST Mon May 20 2024

.TODAY...Southeast winds 10 to 15 knots with gusts up to 20 knots.
Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds and
northeast 1 foot at 8 seconds. Scattered showers, mainly this
morning.
.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 2 feet at
4 seconds and northeast 1 foot at 8 seconds. Scattered showers after
midnight.
.TUESDAY...East winds around 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast
3 feet at 4 seconds and northeast 1 foot at 8 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 3 feet at 5 seconds and north 1 foot at 7 seconds. Scattered
showers.
.WEDNESDAY...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 5 seconds and northeast 1 foot at 8 seconds. Numerous showers.
.WEDNESDAY NIGHT...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 and north 1 foot at 7 seconds. Numerous
showers.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Numerous showers.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers in the morning, then
numerous showers in the afternoon.
.FRIDAY NIGHT...East winds around 5 knots, increasing to 5 to
10 knots after midnight. Seas around 2 feet. Numerous showers.

$$

AMZ723-202045-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
403 AM AST Mon May 20 2024

.TODAY...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 5 seconds and east 1 foot at 8 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 20 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet
at 5 seconds and northeast 1 foot at 8 seconds. Scattered showers
after midnight.
.TUESDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas
around 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet
at 5 seconds and east 1 foot at 8 seconds.
.TUESDAY 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 7 seconds. Scattered showers.
.WEDNESDAY...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.
.WEDNESDAY NIGHT...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.
.THURSDAY...East winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 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.
Scattered showers.
.FRIDAY...East winds 10 to 15 knots. Seas around 4 feet,
occasionally to 5 feet. Scattered showers in the morning, then
numerous showers in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Numerous showers.

$$

AMZ726-202045-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
403 AM AST Mon May 20 2024

.TODAY...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 5 seconds and east 1 foot at 8 seconds.
Scattered showers.
.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
5 seconds and east 1 foot at 8 seconds. Scattered showers.
.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 east 1 foot at 8 seconds. Scattered showers in the
afternoon.
.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 7 seconds. Numerous showers.
.WEDNESDAY...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. Numerous showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet.
Wave Detail: East 3 feet at 6 seconds. Showers.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Numerous showers.
.FRIDAY...East winds 10 to 15 knots, becoming southeast 5 to
10 knots in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet.
Scattered showers.
.FRIDAY NIGHT...East winds around 5 knots, increasing to 5 to
10 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet.
Numerous showers.

$$

AMZ733-202045-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
403 AM AST Mon May 20 2024

.TODAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 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 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
7 seconds. Scattered showers.
.TUESDAY...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. Scattered showers in the morning.
.TUESDAY 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.
.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. Numerous showers, mainly in the morning.
.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.
Wave Detail: East 5 feet at 7 seconds. Showers.
.THURSDAY...East winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Scattered showers.
.THURSDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet.
Numerous showers.
.FRIDAY...East winds 5 to 10 knots. Seas 3 to 5 feet, occasionally
to 6 feet. Scattered showers.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Numerous showers.

$$

AMZ735-202045-
Coastal Waters of Southern Puerto Rico out 10 NM-
403 AM AST Mon May 20 2024

.TODAY...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. Isolated showers.
.TONIGHT...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. Scattered showers after midnight.
.TUESDAY...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.
.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:
Southeast 4 feet at 6 seconds. Numerous showers.
.WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 6 seconds.
Showers, mainly in the morning.
.WEDNESDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Gusts up to 25 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds.
Showers.
.THURSDAY...East winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Scattered showers in the morning, then
numerous showers in the afternoon.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Numerous showers.
.FRIDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Scattered showers.
.FRIDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.

$$

AMZ741-202045-
Mona Passage Southward to 17N-
403 AM AST Mon May 20 2024

.TODAY...Southeast 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 and north 1 foot at 8 seconds. Isolated showers.
.TONIGHT...East winds 10 to 15 knots, becoming southeast 15 to
20 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet.
Wave Detail: East 4 feet at 7 seconds and north 1 foot at 8 seconds.
.TUESDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas
4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet
at 7 seconds and northeast 1 foot at 8 seconds. Scattered showers in
the morning.
.TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
Southeast 4 feet at 7 seconds and north 1 foot at 7 seconds.
Scattered showers.
.WEDNESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 25 knots in the afternoon. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 4 feet at 7 seconds
and northeast 1 foot at 8 seconds. Scattered showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots with gusts up to
30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Northeast 5 feet at 7 seconds. Scattered showers.
.THURSDAY...East winds 20 to 25 knots, diminishing to 15 to 20 knots
in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet.
Scattered showers in the morning, then numerous showers in the
afternoon.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Scattered showers.
.FRIDAY...Southeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet.
Scattered showers in the morning, then numerous showers in the
afternoon.
.FRIDAY NIGHT...East winds around 5 knots, increasing to 5 to
10 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.
Numerous showers.

$$

AMZ742-202045-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
403 AM AST Mon May 20 2024

.TODAY...East winds 5 to 10 knots, diminishing to around 5 knots
late this morning, then becoming northeast this afternoon. Seas 2 to
3 feet, occasionally to 4 feet. Wave Detail: Southeast 1 foot at
6 seconds and northeast 1 foot at 8 seconds. Scattered showers this
afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds and northeast 1 foot at 8 seconds.
Scattered showers in the evening.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds and north
1 foot at 8 seconds. Scattered showers in the afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: South 2 feet at 6 seconds and
north 1 foot at 7 seconds. Scattered showers.
.WEDNESDAY...East winds 5 to 10 knots, becoming northeast 10 to
15 knots with gusts up to 20 knots in the afternoon. Seas around
2 feet. Wave Detail: Southeast 2 feet at 6 seconds and north 1 foot
at 8 seconds. Scattered showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to
30 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail:
Northeast 3 feet at 7 seconds. Numerous showers.
.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. Numerous
showers.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers.
.FRIDAY...Southeast winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet. Scattered showers in the morning, then
numerous showers in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots, diminishing to around
5 knots after midnight. Seas around 2 feet. Scattered showers.

$$

AMZ745-202045-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
403 AM AST Mon May 20 2024

.TODAY...Southeast 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 6 seconds. Isolated showers this 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: Southeast 3 feet
at 6 seconds and north 1 foot at 8 seconds.
.TUESDAY...Southeast 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 6 seconds and northwest 1 foot at 8 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:
Southeast 3 feet at 6 seconds and north 1 foot at 7 seconds.
.WEDNESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 3 feet at 7 seconds
and north 1 foot at 7 seconds. Scattered showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots, becoming east
10 to 15 knots after midnight. Seas 2 to 3 feet, occasionally to
4 feet. Wave Detail: Southeast 2 feet at 7 seconds and north 1 foot
at 7 seconds.
.THURSDAY...East winds 20 to 25 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Numerous showers.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers.
.FRIDAY...Southeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas around 3 feet, occasionally to
4 feet. Scattered showers in the morning, then numerous showers in
the afternoon.
.FRIDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.

$$