Coastal Waters Forecast
Issued by NWS San Juan, PR

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387
FZCA52 TJSJ 210816
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
416 AM AST Sat Sep 21 2024

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-212130-
416 AM AST Sat Sep 21 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.

$$

AMZ711-212130-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
416 AM AST Sat Sep 21 2024

.TODAY...South winds around 5 knots, becoming northeast late. Seas
around 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet
at 10 seconds. Isolated showers until late afternoon, then scattered
showers late.
.TONIGHT...Northeast 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. Scattered showers.
.SUNDAY...South winds around 5 knots. Seas around 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds.
.SUNDAY NIGHT...Southeast winds around 5 knots. Seas around 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 10 seconds.
.MONDAY...Southeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds
and north 1 foot at 11 seconds.
.MONDAY NIGHT...East winds around 5 knots. Seas around 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 2 feet at 9 seconds
and north 2 feet at 10 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas around 3 feet,
occasionally to 4 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet,
occasionally to 4 feet.
.WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.WEDNESDAY NIGHT...East winds around 10 knots. Seas around 4 feet,
occasionally to 5 feet.

$$

AMZ712-212130-
Coastal Waters of Northern Puerto Rico out 10 NM-
416 AM AST Sat Sep 21 2024

.TODAY...South winds around 5 knots, becoming east late this
morning, then becoming northeast early this afternoon, diminishing
to around 5 knots late. Seas around 4 feet, occasionally to 5 feet.
Wave Detail: Northeast 4 feet at 10 seconds. Isolated showers this
morning, then scattered showers this afternoon. Isolated
thunderstorms late.
.TONIGHT...Southeast winds around 5 knots. 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.
.SUNDAY NIGHT...East winds around 5 knots, becoming south after
midnight. Seas around 3 feet, occasionally to 4 feet. Wave Detail:
Northeast 3 feet at 9 seconds.
.MONDAY...Southeast winds around 5 knots, becoming northeast in the
afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail:
Northeast 3 feet at 10 seconds. Scattered showers in the afternoon.
.MONDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 2 feet at 9 seconds
and north 1 foot at 11 seconds.
.TUESDAY...Southeast winds around 5 knots, becoming northeast in the
afternoon. Seas around 3 feet, occasionally to 4 feet. Scattered
showers in the afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet,
occasionally to 4 feet.
.WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas around 4 feet,
occasionally to 5 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ716-212130-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
416 AM AST Sat Sep 21 2024

.TODAY...South winds around 5 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds. Isolated
showers until late afternoon.
.TONIGHT...Southeast 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...Southeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds.
.MONDAY...Southeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 10 seconds.
.MONDAY NIGHT...Southeast winds around 5 knots. Seas around 2 feet.
Wave Detail: Northeast 2 feet at 9 seconds and north 1 foot at
10 seconds.
.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 2 to 3 feet,
occasionally to 4 feet. Scattered showers.
.WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.WEDNESDAY NIGHT...East winds around 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet.

$$

AMZ723-212130-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
416 AM AST Sat Sep 21 2024

.TODAY...Southeast winds around 5 knots. Seas around 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 10 seconds.
Isolated showers.
.TONIGHT...East winds around 5 knots. Seas around 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 10 seconds
and south 1 foot at 5 seconds.
.SUNDAY...Southeast winds around 5 knots. Seas around 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds
and south 1 foot at 6 seconds.
.SUNDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 2 feet at 10 seconds
and south 1 foot at 6 seconds.
.MONDAY...Southeast 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.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northeast 2 feet at 10 seconds and south 1 foot at
6 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.WEDNESDAY...East winds around 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet. Scattered showers.

$$

AMZ726-212130-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
416 AM AST Sat Sep 21 2024

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

$$

AMZ733-212130-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
416 AM AST Sat Sep 21 2024

.TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northeast 2 feet at 10 seconds and southeast 1 foot at
3 seconds. Isolated showers.
.TONIGHT...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.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds and northeast 1 foot at
9 seconds.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds and northeast 1 foot at
9 seconds.
.MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds and northeast 1 foot at
9 seconds.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds and northeast 1 foot at
9 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...East winds around 10 knots. Seas around 2 feet.
Scattered showers.
.WEDNESDAY...East winds around 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

$$

AMZ735-212130-
Coastal Waters of Southern Puerto Rico out 10 NM-
416 AM AST Sat Sep 21 2024

.TODAY...East winds around 5 knots, becoming southeast this
afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at
4 seconds and east 1 foot at 9 seconds. Isolated showers this
morning.
.TONIGHT...East winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 5 seconds and east 1 foot at 9 seconds.
.SUNDAY...East winds around 5 knots, becoming southeast in the
afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at
5 seconds.
.SUNDAY NIGHT...East winds around 5 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds.
.MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds.
.MONDAY NIGHT...East winds around 5 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.

$$

AMZ741-212130-
Mona Passage Southward to 17N-
416 AM AST Sat Sep 21 2024

.TODAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at 10 seconds
and southeast 1 foot at 4 seconds. Isolated showers early this
morning. Isolated showers late.
.TONIGHT...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 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at 10 seconds
and southeast 2 feet 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 southeast 2 feet at 6 seconds.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds
and northeast 2 feet at 9 seconds.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds
and northeast 2 feet at 9 seconds.
.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.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 3 feet,
occasionally to 4 feet.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

AMZ742-212130-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
416 AM AST Sat Sep 21 2024

.TODAY...South winds around 5 knots, becoming southwest around
5 knots this afternoon. Seas 2 to 4 feet, occasionally to 5 feet.
Wave Detail: Northeast 3 feet at 10 seconds. Isolated showers early
this afternoon. Scattered showers with isolated thunderstorms late.
.TONIGHT...East winds around 5 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: Northeast 3 feet at 10 seconds.
.SUNDAY...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 5 seconds.
.SUNDAY NIGHT...East 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 5 seconds.
.MONDAY...Southeast winds around 5 knots, becoming southwest in the
afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail:
Northeast 2 feet at 9 seconds and south 1 foot at 5 seconds.
Scattered showers in the afternoon.
.MONDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 2 feet at 10 seconds
and south 1 foot at 6 seconds.
.TUESDAY...East winds around 5 knots, becoming northwest 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 3 feet,
occasionally to 4 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Scattered showers in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ745-212130-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
416 AM AST Sat Sep 21 2024

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

$$