Coastal Waters Forecast
Issued by NWS San Juan, PR

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
628
FZCA52 TJSJ 230102
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
902 PM AST Wed May 22 2024

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-231330-
902 PM AST Wed May 22 2024

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
The interaction of an induced surface trough and a surface high
pressure to the northeast will promote moderate east- southeast winds
through Thursday. Expect increasing shower and thunderstorm activity
across the local waters into the upcoming the weekend. In addition,
the proximity of an amplifying mid to upper level trough located
south of the Dominican Republic will continue to enhance thunderstorm
development with the potential for squally conditions across the
regional waters and local passages overnight through at least Friday.
Winds are forecast to diminish once again by Friday night.

$$

AMZ711-231330-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
902 PM AST Wed May 22 2024

.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 3 feet at
5 seconds and north 1 foot at 7 seconds. Scattered showers with
isolated thunderstorms this morning, then numerous showers and
scattered thunderstorms this afternoon.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots,
increasing to 15 to 20 knots with gusts up to 30 knots after
midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
East 4 feet at 6 seconds and north 1 foot at 7 seconds. Numerous
showers, mainly in the evening.
.THURSDAY...East winds 15 to 20 knots with gusts up to 30 knots.
Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet
at 6 seconds and north 1 foot at 7 seconds. Numerous showers.
.THURSDAY NIGHT...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 7 seconds. Numerous
showers, mainly in the evening.
.FRIDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots in the afternoon. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.
Scattered showers.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds.
Numerous showers and scattered thunderstorms.
.SATURDAY...Southeast winds 5 to 10 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. Numerous showers.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet.
.SUNDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet.
Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ712-231330-
Coastal Waters of Northern Puerto Rico out 10 NM-
902 PM AST Wed May 22 2024

.TODAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
Northeast 2 feet at 7 seconds. Scattered showers with isolated
thunderstorms this morning, then showers and scattered thunderstorms
this afternoon.
.TONIGHT...East winds 5 to 10 knots with gusts up to 20 knots. Seas
2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 2 feet
at 7 seconds. Numerous showers and scattered thunderstorms in the
evening, then scattered showers after midnight.
.THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 3 feet, occasionally to 4 feet. Wave Detail: Northeast
3 feet at 7 seconds. Scattered showers in the morning, then numerous
showers in the afternoon.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds.
Scattered showers in the evening.
.FRIDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
East 2 feet at 7 seconds. Scattered showers.
.FRIDAY NIGHT...Southeast winds around 5 knots. Seas around 2 feet.
Wave Detail: Northeast 2 feet at 7 seconds. Scattered showers and
thunderstorms.
.SATURDAY...Southeast winds around 5 knots, becoming northeast in
the afternoon. Seas around 2 feet. Scattered showers in the morning,
then numerous showers and scattered thunderstorms in the afternoon.
.SATURDAY NIGHT...East winds around 5 knots. Seas around 2 feet.
Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas around 2 feet. Scattered
showers.
.SUNDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ716-231330-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
902 PM AST Wed May 22 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 4 seconds and north 1 foot at 7 seconds. Showers. Isolated
thunderstorms late this morning, then scattered thunderstorms 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: Northeast 3 feet
at 7 seconds. Numerous showers.
.THURSDAY...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast
3 feet at 7 seconds. Scattered showers in the morning, then showers
in the afternoon.
.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:
Northeast 3 feet at 7 seconds. Numerous showers.
.FRIDAY...Southeast 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 4 seconds and northeast 2 feet at 7 seconds. Scattered
showers.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. Seas around
2 feet. Wave Detail: East 2 feet at 5 seconds and northeast 1 foot
at 8 seconds. Scattered showers and thunderstorms.
.SATURDAY...Southeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas around 2 feet. Scattered showers in
the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
Scattered showers.
.SUNDAY...East winds around 10 knots. Seas around 2 feet. Scattered
showers in the afternoon.
.SUNDAY NIGHT...East winds around 10 knots. Seas around 2 feet.
Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ723-231330-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
902 PM AST Wed May 22 2024

.TODAY...East winds around 15 knots with gusts up to 25 knots. Seas
4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at
7 seconds. Numerous showers early this morning, then scattered
showers with isolated thunderstorms late this morning and early
afternoon. Numerous showers and scattered thunderstorms late.
.TONIGHT...East winds around 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 thunderstorms in the evening. Numerous
showers.
.THURSDAY...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 6 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 4 feet at 7 seconds. Scattered showers.
.FRIDAY...Southeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet.
Wave Detail: Southeast 3 feet at 5 seconds and east 2 feet at
8 seconds. Scattered showers in the morning.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. Seas around
3 feet, occasionally to 4 feet. Wave Detail: Southeast 3 feet at
5 seconds and east 2 feet at 8 seconds. Scattered showers.
.SATURDAY...Southeast winds 5 to 10 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. Scattered showers.
.SUNDAY...East winds around 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Scattered showers in the afternoon.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ726-231330-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
902 PM AST Wed May 22 2024

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

Winds and seas higher in and near thunderstorms.

$$

AMZ733-231330-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
902 PM AST Wed May 22 2024

.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 3 feet at
7 seconds. Numerous showers. Isolated thunderstorms late this
morning. Scattered thunderstorms this 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 4 feet at
7 seconds. Numerous showers.
.THURSDAY...Southeast 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 6 seconds. Scattered showers in the
morning, then numerous showers in the afternoon.
.THURSDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds.
Numerous showers, mainly in the evening.
.FRIDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots in the afternoon. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds.
Scattered showers.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: East 3 feet at 7 seconds.
Scattered showers.
.SATURDAY...Southeast winds 5 to 10 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. Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet.
.SUNDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ735-231330-
Coastal Waters of Southern Puerto Rico out 10 NM-
902 PM AST Wed May 22 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 late this
morning, then diminishing to 5 to 10 knots this afternoon. Seas 2 to
3 feet, occasionally to 4 feet. Wave Detail: Southeast 3 feet at
6 seconds. Isolated thunderstorms this morning. Showers. Scattered
thunderstorms this afternoon.
.TONIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots after midnight. Seas around 3 feet,
occasionally to 4 feet. Wave Detail: East 3 feet at 6 seconds.
Scattered showers in the evening, then numerous showers after
midnight.
.THURSDAY...Southeast 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 in the morning, then
numerous showers in the afternoon.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds.
Numerous showers, mainly in the evening.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds.
Scattered showers.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds. Scattered showers and
thunderstorms.
.SATURDAY...Southeast winds 5 to 10 knots, diminishing to around
5 knots in the afternoon. Seas around 2 feet. Scattered showers.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas around 2 feet. Scattered
showers.
.SUNDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ741-231330-
Mona Passage Southward to 17N-
902 PM AST Wed May 22 2024

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

Winds and seas higher in and near thunderstorms.

$$

AMZ742-231330-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
902 PM AST Wed May 22 2024

.TODAY...East winds 5 to 10 knots, becoming northeast late. Seas
around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and north
1 foot at 7 seconds. Isolated showers late this morning. Scattered
showers early this afternoon, then showers and scattered
thunderstorms late.
.TONIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast
2 feet at 4 seconds and north 1 foot at 7 seconds. Scattered
showers.
.THURSDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail:
Northeast 2 feet at 6 seconds. Scattered showers in the morning,
then showers in the afternoon.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: East 2 feet at 5 seconds and
north 1 foot at 7 seconds. Scattered showers in the evening.
.FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds and north 1 foot at 7 seconds.
Scattered showers in the morning, then numerous showers in the
afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds. Numerous showers and
scattered thunderstorms.
.SATURDAY...Southeast winds around 5 knots. Seas around 2 feet.
Numerous showers and scattered thunderstorms in the morning, then
scattered showers in the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
.SUNDAY...East winds around 5 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. Scattered showers.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots, becoming east 10 to
15 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ745-231330-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
902 PM AST Wed May 22 2024

.TODAY...Southeast winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots early this afternoon, then becoming
northeast late. Seas 2 to 3 feet, occasionally to 4 feet. Wave
Detail: Southeast 2 feet at 5 seconds and north 1 foot at 7 seconds.
Scattered showers with isolated thunderstorms late this morning and
early afternoon. Showers and scattered thunderstorms late.
.TONIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: North 2 feet at 6 seconds. Scattered
showers.
.THURSDAY...Southeast winds 10 to 15 knots with gusts up to
25 knots. Seas around 3 feet, occasionally to 4 feet. Wave Detail:
East 2 feet at 5 seconds and north 1 foot at 6 seconds. Numerous
showers in the afternoon.
.THURSDAY NIGHT...Southeast 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
and north 1 foot at 7 seconds. Scattered showers in the evening.
.FRIDAY...Southeast 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 morning,
then numerous showers in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds and north 1 foot at 8 seconds.
Scattered showers.
.SATURDAY...Southeast winds 5 to 10 knots, diminishing to around
5 knots in the afternoon. Seas around 2 feet. Numerous showers and
scattered thunderstorms in the morning, then scattered showers in
the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas around 2 feet. Scattered
showers.
.SUNDAY NIGHT...East winds around 5 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$