684
FZCA52 TJSJ 201421
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
1021 AM AST Fri Sep 20 2024

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-210315-
1021 AM AST Fri Sep 20 2024

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A weak surface low pressure to the northeast of the region will
maintain weak and variable winds throughout early next week. Showers
and isolated thunderstorms will persist across the regional waters,
particularly off the western and southern coastal waters of Puerto
Rico each afternoon.

$$

AMZ711-210315-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
1021 AM AST Fri Sep 20 2024

.REST OF TODAY...East winds around 5 knots. Seas around 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds
and east 2 feet at 8 seconds. Scattered showers late this morning
and early afternoon, then isolated showers late.
.TONIGHT...East winds 5 to 10 knots. Seas around 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds
and east 1 foot at 8 seconds. Scattered showers.
.SATURDAY...Southeast winds around 5 knots. Seas around 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds
and east 1 foot at 9 seconds.
.SATURDAY NIGHT...East winds around 5 knots, becoming southeast
after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: Northeast 4 feet at 10 seconds and east 1 foot at 9 seconds.
Scattered showers.
.SUNDAY...South winds around 5 knots, becoming northwest in the
afternoon. Seas around 3 feet, occasionally to 4 feet. Wave Detail:
Northeast 3 feet at 9 seconds and east 1 foot at 10 seconds.
.SUNDAY NIGHT...Northeast winds around 5 knots, becoming south after
midnight. Seas around 3 feet, occasionally to 4 feet. Wave Detail:
Northeast 3 feet at 10 seconds and south 1 foot at 5 seconds.
Scattered showers.
.MONDAY...South winds around 5 knots. Seas around 3 feet,
occasionally to 4 feet.
.MONDAY NIGHT...Southeast winds around 5 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet.

$$

AMZ712-210315-
Coastal Waters of Northern Puerto Rico out 10 NM-
1021 AM AST Fri Sep 20 2024

.REST OF TODAY...East winds around 5 knots, becoming northeast this
afternoon. Seas around 4 feet, occasionally to 5 feet. Wave Detail:
Northeast 4 feet at 10 seconds. Scattered showers late this morning
and early afternoon. Isolated thunderstorms this afternoon. Isolated
showers late.
.TONIGHT...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 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.
.SATURDAY NIGHT...East winds 5 to 10 knots, becoming southeast after
midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
Northeast 4 feet at 10 seconds. Scattered showers after midnight.
.SUNDAY...Southeast winds around 5 knots, becoming northeast in the
afternoon. Seas around 3 feet, occasionally to 4 feet. Wave Detail:
Northeast 3 feet at 9 seconds. Scattered showers in the afternoon.
.SUNDAY NIGHT...East winds around 5 knots, becoming southeast after
midnight. Seas around 3 feet, occasionally to 4 feet. Wave Detail:
Northeast 3 feet at 10 seconds. Scattered showers.
.MONDAY...Southeast winds around 5 knots, becoming northeast in the
afternoon. Seas around 3 feet, occasionally to 4 feet. Scattered
showers in the afternoon.
.MONDAY NIGHT...Southeast winds around 5 knots. Seas around 3 feet,
occasionally to 4 feet. Scattered showers.
.TUESDAY...Southeast winds around 5 knots, becoming northeast in the
afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Scattered
showers in the afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ716-210315-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
1021 AM AST Fri Sep 20 2024

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

Winds and seas higher in and near thunderstorms.

$$

AMZ723-210315-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
1021 AM AST Fri Sep 20 2024

.REST OF TODAY...Southeast winds around 5 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds.
Scattered showers late this morning and early afternoon. Isolated
thunderstorms early this afternoon, then isolated showers late.
.TONIGHT...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 around 5 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds
and southeast 1 foot at 5 seconds.
.SATURDAY NIGHT...Southeast winds around 5 knots. Seas around
3 feet, occasionally to 4 feet. Wave Detail: Northeast 3 feet at
10 seconds and south 2 feet at 5 seconds. Scattered showers.
.SUNDAY...South winds around 5 knots. Seas around 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds
and south 2 feet at 6 seconds.
.SUNDAY NIGHT...South winds around 5 knots. Seas around 3 feet,
occasionally to 4 feet. Wave Detail: South 2 feet at 6 seconds and
northeast 2 feet at 10 seconds.
.MONDAY...Southeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.MONDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet,
occasionally to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ726-210315-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
1021 AM AST Fri Sep 20 2024

.REST OF TODAY...Southeast winds around 5 knots. Seas around 2 feet.
Wave Detail: East 1 foot at 9 seconds. Scattered showers late this
morning and early afternoon. Isolated thunderstorms early this
afternoon, then isolated showers late.
.TONIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 1 foot at 2 seconds
and east 1 foot at 9 seconds.
.SATURDAY...South winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 2 feet at 9 seconds
and southeast 1 foot at 3 seconds.
.SATURDAY NIGHT...South winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 2 feet at 5 seconds
and east 1 foot at 9 seconds.
.SUNDAY...South winds around 5 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds and east
1 foot at 9 seconds. Scattered showers in the morning.
.SUNDAY NIGHT...South winds around 5 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds and east 1 foot at 9 seconds.
Scattered showers.
.MONDAY...South winds around 5 knots. Seas around 2 feet. Scattered
showers in the morning.
.MONDAY NIGHT...Southeast winds around 5 knots. Seas around 2 feet.
Scattered showers.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Scattered showers in the morning.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ733-210315-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
1021 AM AST Fri Sep 20 2024

.REST OF TODAY...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. Isolated showers late this morning, then scattered
showers with isolated thunderstorms early this afternoon. Isolated
showers late.
.TONIGHT...East winds 5 to 10 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. Wave
Detail: Southeast 2 feet at 5 seconds and east 1 foot at 9 seconds.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 2 feet at 5 seconds
and northeast 1 foot at 10 seconds. Scattered showers in the
evening.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds
and east 1 foot at 9 seconds. Scattered showers in the morning.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds
and east 1 foot at 9 seconds. Scattered showers.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers in the morning.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Scattered showers in the morning.
.TUESDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ735-210315-
Coastal Waters of Southern Puerto Rico out 10 NM-
1021 AM AST Fri Sep 20 2024

.REST OF TODAY...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. Isolated showers. Isolated thunderstorms early this
afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: Southeast 1 foot at
4 seconds and east 1 foot at 9 seconds.
.SATURDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas around 2 feet. Wave Detail: Southeast 1 foot at
4 seconds and east 1 foot at 9 seconds.
.SATURDAY 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.
.SUNDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at
6 seconds. Scattered showers in the afternoon.
.SUNDAY NIGHT...East winds around 5 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds. Numerous showers.
.MONDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas around 2 feet. Scattered showers in the morning.
.MONDAY NIGHT...East winds around 5 knots. Seas around 2 feet.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ741-210315-
Mona Passage Southward to 17N-
1021 AM AST Fri Sep 20 2024

.REST OF TODAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 2 feet at 4 seconds
and north 2 feet at 8 seconds. Isolated showers.
.TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: North 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. Wave Detail: North 3 feet at 10 seconds and
southeast 2 feet at 4 seconds.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at 10 seconds
and southeast 2 feet at 5 seconds.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at 10 seconds
and southeast 2 feet at 6 seconds. Scattered showers in the morning.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds
and northeast 2 feet at 9 seconds. Scattered showers.
.MONDAY...Southeast winds 5 to 10 knots. Seas around 3 feet,
occasionally to 4 feet. Scattered showers in the morning.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers.

$$

AMZ742-210315-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
1021 AM AST Fri Sep 20 2024

.REST OF TODAY...South winds around 5 knots, becoming west early
this afternoon, then becoming east late. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds
and south 1 foot at 4 seconds. Isolated showers this afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: Northeast 3 feet at 10 seconds.
.SATURDAY...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 10 seconds. Scattered showers in the
afternoon.
.SATURDAY NIGHT...East winds around 5 knots, increasing to 5 to
10 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.
Wave Detail: Northeast 3 feet at 10 seconds.
.SUNDAY...Southeast winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail:
Northeast 3 feet at 9 seconds and south 1 foot at 5 seconds.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds
and south 1 foot at 5 seconds.
.MONDAY...South winds around 5 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Scattered showers in the afternoon.
.MONDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers.
.TUESDAY...Southeast winds around 5 knots, becoming southwest in the
afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Scattered
showers in the afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet.

$$

AMZ745-210315-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
1021 AM AST Fri Sep 20 2024

.REST OF TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 4 seconds and north 1 foot at
8 seconds. Isolated showers this afternoon.
.TONIGHT...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, becoming south in the
afternoon. Seas around 2 feet. Wave Detail: Southeast 1 foot at
4 seconds and north 1 foot at 8 seconds.
.SATURDAY NIGHT...East winds around 5 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 4 seconds and north 1 foot at
8 seconds.
.SUNDAY...Southeast winds 5 to 10 knots, becoming south in the
afternoon. Seas around 2 feet. Wave Detail: South 2 feet at
5 seconds and northwest 1 foot at 9 seconds.
.SUNDAY NIGHT...East winds around 5 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds.
.MONDAY...Southeast winds around 5 knots. Seas around 2 feet.
Scattered showers in the afternoon.
.MONDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.TUESDAY...Southeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers in the afternoon.
.TUESDAY NIGHT...East winds around 5 knots, increasing to 5 to
10 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet.
Scattered showers.

$$