539
FZCA52 TJSJ 181344
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
944 AM AST Wed Sep 18 2024

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-190215-
944 AM AST Wed Sep 18 2024

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

East-northeast winds will dominate, gradually becoming variable and
weakening from Thursday throughout the weekend. Showers are expected
to persist over the local Atlantic waters and Caribbean passages today,
with a chance of isolated thunderstorms off the western coast of
Puerto Rico each afternoon. Overall, seas will range from 3 to 4
feet, occasionally reaching 5 to 6 feet in some areas, while southern
coastal regions of the islands will experience lower seas in the
coming days.


$$

AMZ711-190215-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
944 AM AST Wed Sep 18 2024

.REST OF TODAY...East winds 10 to 15 knots with gusts up to
20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
East 4 feet at 10 seconds and east 3 feet at 5 seconds. Scattered
showers late this morning, then isolated showers this afternoon.
.TONIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet.
Wave Detail: East 4 feet at 9 seconds. Scattered showers after
midnight.
.THURSDAY...Northeast winds around 5 knots, increasing to 5 to
10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet.
Wave Detail: Northeast 4 feet at 9 seconds. Scattered showers.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 4 feet at 10 seconds.
Scattered showers after midnight.
.FRIDAY...East winds around 5 knots. Seas 4 to 5 feet, occasionally
to 6 feet. Wave Detail: Northeast 5 feet at 10 seconds.
.FRIDAY NIGHT...East winds 5 to 10 knots, becoming southeast after
midnight. Seas around 4 feet, occasionally to 5 feet. Wave Detail:
Northeast 4 feet at 10 seconds. Scattered showers.
.SATURDAY...Southeast winds 5 to 10 knots, diminishing to around
5 knots in the afternoon. Seas around 4 feet, occasionally to
5 feet. Scattered showers in the morning.
.SATURDAY NIGHT...East winds around 5 knots. Seas around 4 feet,
occasionally to 5 feet. Scattered showers.
.SUNDAY...Southeast winds around 5 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers in the morning.
.SUNDAY NIGHT...East winds 5 to 10 knots, becoming southeast after
midnight. Seas around 3 feet, occasionally to 4 feet. Scattered
showers.

$$

AMZ712-190215-
Coastal Waters of Northern Puerto Rico out 10 NM-
944 AM AST Wed Sep 18 2024

.REST OF TODAY...East winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 25 knots this afternoon. Seas around
4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at
10 seconds. Scattered showers late this morning, then isolated
showers this afternoon.
.TONIGHT...East winds 5 to 10 knots with gusts up to 20 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet
at 9 seconds and northeast 1 foot at 14 seconds.
.THURSDAY...East winds around 5 knots, becoming northeast in the
afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
Northeast 3 feet at 9 seconds and northeast 1 foot at 14 seconds.
.THURSDAY NIGHT...East winds 5 to 10 knots, diminishing to around
5 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet.
Wave Detail: Northeast 4 feet at 10 seconds. Scattered showers after
midnight.
.FRIDAY...Southeast winds around 5 knots, becoming northeast in the
afternoon. Seas around 4 feet, occasionally to 5 feet. Wave Detail:
Northeast 4 feet at 10 seconds. Scattered showers.
.FRIDAY NIGHT...Southeast winds around 5 knots. Seas around 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds.
Scattered showers.
.SATURDAY...Southeast winds 5 to 10 knots, becoming northeast in the
afternoon. Seas around 4 feet, occasionally to 5 feet. Scattered
showers.
.SATURDAY NIGHT...East winds 5 to 10 knots, becoming southeast after
midnight. Seas around 4 feet, occasionally to 5 feet. Scattered
showers.
.SUNDAY...Southeast winds around 5 knots, becoming northeast in the
afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Scattered
showers in the afternoon.
.SUNDAY NIGHT...Southeast winds around 5 knots. Seas around 3 feet,
occasionally to 4 feet. Scattered showers.

$$

AMZ716-190215-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
944 AM AST Wed Sep 18 2024

.REST OF TODAY...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: East 3 feet at 5 seconds and
northeast 2 feet at 9 seconds. Scattered showers late this morning,
then isolated showers this afternoon.
.TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds
and east 2 feet at 5 seconds. Scattered showers after midnight.
.THURSDAY...Northeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds.
Scattered showers.
.THURSDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds.
.FRIDAY...Southeast winds around 5 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds.
Scattered showers in the morning.
.FRIDAY NIGHT...Southeast winds around 5 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds.
.SATURDAY...Southeast winds around 5 knots. Seas 2 to 4 feet,
occasionally to 5 feet.
.SATURDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 4 feet,
occasionally to 5 feet.
.SUNDAY...South winds around 5 knots. Seas 2 to 4 feet, occasionally
to 5 feet.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

$$

AMZ723-190215-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
944 AM AST Wed Sep 18 2024

.REST OF TODAY...East winds 5 to 10 knots. Seas around 3 feet,
occasionally to 4 feet. Wave Detail: East 3 feet at 5 seconds and
northeast 2 feet at 9 seconds. Scattered showers late this morning,
then isolated showers this afternoon.
.TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds
and southeast 2 feet at 5 seconds. Scattered showers after midnight.
.THURSDAY...East winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 10 seconds
and southeast 1 foot at 4 seconds.
.THURSDAY NIGHT...East winds around 5 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds
and southeast 1 foot at 4 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers in the afternoon.
.SATURDAY NIGHT...Southeast winds around 5 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers.
.SUNDAY...Southeast winds around 5 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers in the morning.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 3 feet,
occasionally to 4 feet.

$$

AMZ726-190215-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
944 AM AST Wed Sep 18 2024

.REST OF TODAY...East winds around 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: East 3 feet at 10 seconds and
east 2 feet at 5 seconds. Scattered showers late this morning, then
isolated showers this afternoon.
.TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: East 2 feet at 5 seconds and
east 2 feet at 9 seconds. Scattered showers after midnight.
.THURSDAY...East winds around 5 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 9 seconds and southeast 1 foot at 4 seconds.
Scattered showers.
.THURSDAY NIGHT...East winds around 5 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 9 seconds and southeast 1 foot at
4 seconds.
.FRIDAY...Southeast winds around 5 knots. Seas around 2 feet. Wave
Detail: Northeast 2 feet at 9 seconds and south 1 foot at 4 seconds.
Scattered showers in the morning.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 2 feet at 10 seconds
and southeast 1 foot at 4 seconds.
.SATURDAY...Southeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.SATURDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.SUNDAY...South winds around 5 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Scattered showers in the morning.
.SUNDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

$$

AMZ733-190215-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
944 AM AST Wed Sep 18 2024

.REST OF 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 east 1 foot at 10 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: East 3 feet at
5 seconds and east 1 foot at 10 seconds. Scattered showers.
.THURSDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: East 3 feet at 5 seconds and east 2 feet at
9 seconds.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 4 seconds and east 2 feet at 9 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 9 seconds and southeast 1 foot at 4 seconds.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds and northeast 2 feet at
10 seconds.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

$$

AMZ735-190215-
Coastal Waters of Southern Puerto Rico out 10 NM-
944 AM AST Wed Sep 18 2024

.REST OF 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 6 seconds. Isolated showers 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: East 3 feet at
6 seconds. Scattered showers in the evening.
.THURSDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds and east 1 foot at 9 seconds.
Scattered showers in the afternoon.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds and east 1 foot at 9 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 1 foot at 4 seconds and east 1 foot at 9 seconds.
Scattered showers in the afternoon.
.FRIDAY NIGHT...East winds around 5 knots. Seas around 2 feet. Wave
Detail: Southeast 1 foot at 4 seconds and east 1 foot at 9 seconds.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.SATURDAY NIGHT...East winds around 5 knots. Seas around 2 feet.
.SUNDAY...East winds around 5 knots, becoming southeast in the
afternoon. Seas around 2 feet. Scattered showers in the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.

$$

AMZ741-190215-
Mona Passage Southward to 17N-
944 AM AST Wed Sep 18 2024

.REST OF TODAY...East winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots late. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds and
north 2 feet at 9 seconds. Isolated showers 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 3 feet at
6 seconds and northeast 2 feet at 9 seconds. Scattered showers after
midnight.
.THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots in the afternoon. Seas around 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds
and northeast 2 feet at 9 seconds.
.THURSDAY 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 northeast 2 feet at 9 seconds. Scattered showers.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at 9 seconds
and southeast 2 feet at 5 seconds.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at 9 seconds
and southeast 2 feet at 4 seconds.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers.

$$

AMZ742-190215-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
944 AM AST Wed Sep 18 2024

.REST OF TODAY...East winds 5 to 10 knots, diminishing to around
5 knots late. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail:
East 2 feet at 6 seconds and north 2 feet at 9 seconds. Scattered
showers with isolated 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.
.THURSDAY...East winds 5 to 10 knots, becoming north in the
afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail:
Northeast 3 feet at 8 seconds and southeast 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 3 feet at 8 seconds
and southeast 1 foot at 4 seconds.
.FRIDAY...Southeast winds around 5 knots, becoming southwest in the
afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
Northeast 3 feet at 9 seconds and south 1 foot at 4 seconds.
Scattered showers in the afternoon.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots, becoming southeast
after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave
Detail: Northeast 4 feet at 10 seconds.
.SATURDAY...South winds around 5 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Scattered showers in the afternoon.
.SATURDAY NIGHT...East winds around 5 knots. Seas 2 to 4 feet,
occasionally to 5 feet.
.SUNDAY...Southeast winds around 5 knots, becoming south around
5 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet.
.SUNDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ745-190215-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
944 AM AST Wed Sep 18 2024

.REST OF TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 6 seconds and north 1 foot at
7 seconds. Scattered showers with isolated thunderstorms early this
afternoon. Scattered showers late.
.TONIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 5 seconds and northwest 1 foot at 7 seconds.
Scattered showers in the evening.
.THURSDAY...East winds around 5 knots, becoming west around 5 knots
in the afternoon. Seas around 2 feet. Wave Detail: Southeast 1 foot
at 5 seconds and north 1 foot at 6 seconds. Numerous showers in the
afternoon.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots, becoming east after
midnight. Seas around 2 feet. Wave Detail: East 1 foot at 5 seconds
and north 1 foot at 8 seconds.
.FRIDAY...Southeast winds around 5 knots. Seas around 2 feet. Wave
Detail: Southeast 1 foot at 4 seconds and northwest 1 foot at
8 seconds. Scattered showers in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 1 foot at 4 seconds and north 1 foot at 8 seconds.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
.SUNDAY...Southeast winds around 5 knots. Seas around 2 feet.
Scattered showers in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$