Coastal Waters Forecast
Issued by NWS San Juan, PR

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279
FZCA52 TJSJ 210828
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
428 AM AST Thu Nov 21 2024

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-212115-
428 AM AST Thu Nov 21 2024

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
Gentle to moderate easterly winds will prevail through late tonight,
then south easterly winds return. Pulses of the northerly swell will
continue to arrive tonight, but conditions are likely to remain
below small craft advisory criteria. Another small long-period
northerly swell is expected for the weekend.

$$

AMZ711-212115-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
428 AM AST Thu Nov 21 2024

.TODAY...East winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to
6 feet. Wave Detail: North 4 feet at 11 seconds and east 2 feet at
8 seconds. Scattered showers until late afternoon, then isolated
showers late.
.TONIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet, occasionally
to 6 feet. Wave Detail: North 4 feet at 10 seconds and east 2 feet
at 8 seconds. Scattered showers after midnight.
.FRIDAY...Southeast winds around 5 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: North 4 feet at 10 seconds and
east 1 foot at 8 seconds. Scattered showers.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: North 4 feet at 10 seconds and
east 1 foot at 7 seconds. Scattered showers.
.SATURDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Wave Detail: North 3 feet at 10 seconds and southeast
2 feet at 3 seconds. Scattered showers in the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas around 4 feet, occasionally to 5 feet.
Wave Detail: North 3 feet at 10 seconds and southeast 2 feet at
4 seconds. Numerous showers.
.SUNDAY...East winds 10 to 15 knots. Seas 4 to 6 feet, occasionally
to 8 feet. Scattered showers.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 7 feet,
occasionally to 9 feet. Scattered showers in the evening.
.MONDAY...East winds 15 to 20 knots. Seas 6 to 7 feet, occasionally
to 9 feet. Scattered showers in the morning.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 7 feet,
occasionally to 9 feet. Scattered showers.

$$

AMZ712-212115-
Coastal Waters of Northern Puerto Rico out 10 NM-
428 AM AST Thu Nov 21 2024

.TODAY...East winds 5 to 10 knots, becoming northeast this
afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
North 5 feet at 11 seconds and east 1 foot at 5 seconds. Isolated
showers until late afternoon, then scattered showers late.
.TONIGHT...Southeast winds around 5 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: North 4 feet at 11 seconds.
Scattered showers.
.FRIDAY...Southeast winds around 5 knots, becoming east in the
afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
North 4 feet at 10 seconds. Scattered showers in the morning, then
numerous showers in the afternoon.
.FRIDAY NIGHT...Southeast winds around 5 knots. Seas around 4 feet,
occasionally to 5 feet. Wave Detail: North 4 feet at 10 seconds.
.SATURDAY...East winds around 5 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: North 3 feet at 10 seconds and
northeast 1 foot at 17 seconds. Scattered showers in the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: North 3 feet at 10 seconds and
northeast 2 feet at 4 seconds. Numerous showers.
.SUNDAY...East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally
to 6 feet. Scattered showers in the afternoon.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Scattered showers in the evening.
.MONDAY...East winds 10 to 15 knots. Seas 6 to 7 feet, occasionally
to 9 feet. Scattered showers.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas around 6 feet,
occasionally to 8 feet. Scattered showers.

$$

AMZ716-212115-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
428 AM AST Thu Nov 21 2024

.TODAY...East winds around 5 knots. Seas 3 to 5 feet, occasionally
to 6 feet. Wave Detail: Northeast 5 feet at 11 seconds and east
1 foot at 5 seconds. Isolated showers early this morning, then
scattered showers late this morning. Isolated showers this
afternoon.
.TONIGHT...Southeast winds around 5 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 4 feet at 11 seconds.
Scattered showers.
.FRIDAY...Southeast winds around 5 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 4 feet at 10 seconds.
Scattered showers in the morning.
.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
and east 1 foot at 3 seconds. Scattered showers.
.SATURDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds and southeast
1 foot at 3 seconds. Scattered showers in the morning.
.SATURDAY 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: Northeast 3 feet at 10 seconds
and east 2 feet at 4 seconds.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 5 feet, occasionally
to 6 feet.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Scattered showers in the evening.
.MONDAY...East winds around 15 knots. Seas 5 to 7 feet, occasionally
to 9 feet.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Scattered showers after midnight.

$$

AMZ723-212115-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
428 AM AST Thu Nov 21 2024

.TODAY...Northeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: North 3 feet at 12 seconds.
Isolated showers this morning. Isolated showers late.
.TONIGHT...East winds around 5 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: North 3 feet at 11 seconds. Scattered
showers after midnight.
.FRIDAY...Southeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 2 feet at 11 seconds.
Scattered showers.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 11 seconds
and southeast 2 feet at 3 seconds. Scattered showers.
.SATURDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Wave Detail: Southeast 2 feet at 4 seconds and northeast
2 feet at 11 seconds. Scattered showers in the morning.
.SATURDAY 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 3 feet at 4 seconds and northeast 2 feet at 11 seconds.
.SUNDAY...East winds around 15 knots. Seas 4 to 5 feet, occasionally
to 6 feet. Scattered showers in the morning.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet,
occasionally to 8 feet.
.MONDAY...East winds 15 to 20 knots. Seas around 6 feet,
occasionally to 8 feet.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas around 6 feet,
occasionally to 8 feet. Scattered showers after midnight.

$$

AMZ726-212115-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
428 AM AST Thu Nov 21 2024

.TODAY...East winds around 5 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: East 2 feet at 4 seconds and northeast
1 foot at 11 seconds. Scattered showers, mainly this morning.
.TONIGHT...East winds around 5 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: East 1 foot at 4 seconds and northeast
1 foot at 11 seconds. Scattered showers.
.FRIDAY...Southeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: East 1 foot at 4 seconds and
northeast 1 foot at 10 seconds. Scattered showers in the morning.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 1 foot at 3 seconds
and northeast 1 foot at 10 seconds. Scattered showers.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: Southeast 2 feet at 4 seconds and northeast
1 foot at 10 seconds. Scattered showers.
.SATURDAY NIGHT...East 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: East 2 feet at 4 seconds and
northeast 1 foot at 10 seconds.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Scattered showers in the morning.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Numerous showers.
.MONDAY...East winds around 15 knots. Seas 4 to 5 feet, occasionally
to 6 feet.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Scattered showers after midnight.

$$

AMZ733-212115-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
428 AM AST Thu Nov 21 2024

.TODAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to
4 feet. Wave Detail: East 2 feet at 5 seconds and east 1 foot at
8 seconds. Scattered showers, mainly this morning.
.TONIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: East 2 feet at 4 seconds and southeast
1 foot at 8 seconds. Scattered showers.
.FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds and southeast 1 foot at 8 seconds.
Scattered showers.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 2 feet at 4 seconds
and northeast 1 foot at 11 seconds. Numerous showers.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: East 2 feet at 4 seconds and northeast
1 foot at 11 seconds. Scattered showers.
.SATURDAY 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 northeast 1 foot at 11 seconds.
Scattered showers.
.SUNDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally
to 6 feet. Scattered showers in the morning.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Scattered showers.
.MONDAY...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally
to 8 feet.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Scattered showers.

$$

AMZ735-212115-
Coastal Waters of Southern Puerto Rico out 10 NM-
428 AM AST Thu Nov 21 2024

.TODAY...Northeast winds around 5 knots, becoming southeast this
afternoon. Seas around 2 feet. Wave Detail: East 2 feet at
5 seconds. Isolated showers this morning.
.TONIGHT...East winds around 5 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 4 seconds.
.FRIDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
East 1 foot at 4 seconds. Scattered showers.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 4 seconds. Scattered showers.
.SATURDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds. Scattered showers.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 2 feet at 5 seconds.
Scattered showers.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Scattered showers in the morning.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Scattered showers after midnight.

$$

AMZ741-212115-
Mona Passage Southward to 17N-
428 AM AST Thu Nov 21 2024

.TODAY...East winds 5 to 10 knots, diminishing to around 5 knots
late. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North
4 feet at 12 seconds and east 2 feet at 5 seconds. Isolated showers
until late afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Wave Detail: North 3 feet at 11 seconds and east 1 foot
at 5 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: North 3 feet at 10 seconds and
east 2 feet at 5 seconds. Scattered showers in the morning, then
numerous showers in the afternoon.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: North 3 feet at 10 seconds and
southeast 2 feet at 4 seconds. Numerous showers.
.SATURDAY...East winds 5 to 10 knots. Seas around 3 feet,
occasionally to 4 feet. Wave Detail: North 3 feet at 10 seconds and
southeast 2 feet at 4 seconds. Numerous showers, mainly in the
morning.
.SATURDAY NIGHT...Northeast 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 2 feet at 10 seconds. Numerous
showers.
.SUNDAY...Northeast winds 10 to 15 knots, becoming east 15 to
20 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet.
Scattered showers in the afternoon.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet,
occasionally to 8 feet.
.MONDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. Seas 5 to 6 feet, occasionally to 8 feet.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Scattered showers after midnight.

$$

AMZ742-212115-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
428 AM AST Thu Nov 21 2024

.TODAY...East winds 5 to 10 knots, becoming northeast this
afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
North 4 feet at 12 seconds. Isolated showers this afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: North 4 feet at 11 seconds.
.FRIDAY...South winds around 5 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: North 3 feet at 10 seconds. Scattered
showers in the afternoon.
.FRIDAY NIGHT...East winds around 5 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: North 3 feet at 10 seconds.
Scattered showers.
.SATURDAY...East winds around 5 knots, becoming northeast in the
afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail:
North 3 feet at 10 seconds and south 1 foot at 3 seconds. Scattered
showers in the afternoon.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
Northeast 2 feet at 3 seconds and north 2 feet at 10 seconds.
Numerous showers.
.SUNDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet.
Scattered showers in the afternoon.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots, becoming east 10 to
15 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet.
.MONDAY...East winds 5 to 10 knots. Seas 4 to 6 feet, occasionally
to 8 feet. Scattered showers in the afternoon.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Scattered showers in the evening.

$$

AMZ745-212115-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
428 AM AST Thu Nov 21 2024

.TODAY...East winds around 5 knots, becoming south this afternoon.
Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: North 3 feet
at 10 seconds. Isolated showers late.
.TONIGHT...East winds around 5 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Wave Detail: Northwest 2 feet at 11 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northwest 2 feet at 11 seconds
and south 1 foot at 2 seconds. Scattered showers.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northwest 2 feet at 10 seconds
and south 1 foot at 3 seconds. Scattered showers.
.SATURDAY...East winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northwest 2 feet at 9 seconds
and southeast 1 foot at 3 seconds. Scattered showers in the
afternoon.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: North 2 feet at 10 seconds and
southeast 1 foot at 4 seconds. Numerous showers.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Scattered showers in the afternoon.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet.
.MONDAY...East winds 5 to 10 knots. Seas 3 to 5 feet, occasionally
to 6 feet. Scattered showers in the afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet.

$$