523
FZCA52 TJSJ 172000
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
400 PM AST Tue Sep 17 2024

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-181000-
400 PM AST Tue Sep 17 2024

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

A weak surface high-pressure system will maintain gentle to
moderate easterly winds. Beginning Tuesday, winds will shift from
the northeast and gradually weaken, becoming more variable by mid-
week. Increased shower activity is expected over the Atlantic
local waters and Caribbean passages tonight. There is also a
possibility of a few thunderstorms off the western coast of Puerto
Rico each afternoon. Overall, seas will range from 3 to 5 feet,
occasionally reaching up to 6 feet in most local waters, with lower
seas along coastal areas over the next few days.

$$

AMZ711-181000-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
400 PM AST Tue Sep 17 2024

.TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas
4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at
10 seconds. Isolated showers early this evening, then scattered
showers late this evening and overnight.
.WEDNESDAY...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 in the
morning.
.WEDNESDAY NIGHT...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 in the
morning.
.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.
.FRIDAY...Southeast winds around 5 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 4 feet at 10 seconds.
Scattered showers in the morning.
.FRIDAY NIGHT...East winds around 5 knots, becoming southeast after
midnight. Seas around 4 feet, occasionally to 5 feet. Scattered
showers.
.SATURDAY...Southeast winds 5 to 10 knots, becoming south in the
afternoon. Seas around 4 feet, occasionally to 5 feet.
.SATURDAY NIGHT...East winds 5 to 10 knots, becoming southeast after
midnight. Seas around 4 feet, occasionally to 5 feet. Scattered
showers.
.SUNDAY...South winds 5 to 10 knots. Seas 3 to 4 feet, occasionally
to 5 feet.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 3 feet,
occasionally to 4 feet.

$$

AMZ712-181000-
Coastal Waters of Northern Puerto Rico out 10 NM-
400 PM AST Tue Sep 17 2024

.TONIGHT...East winds 10 to 15 knots. Gusts up to 25 knots until
early morning. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: East 4 feet at 5 seconds and northeast 4 feet at 10 seconds.
Isolated showers this evening, then scattered showers after
midnight. Numerous showers late.
.WEDNESDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 4 feet, occasionally to 5 feet. Wave Detail: Northeast
4 feet at 10 seconds. Scattered showers in the morning.
.WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at
9 seconds.
.THURSDAY...Northeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at 9 seconds.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds.
Scattered showers.
.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. 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 around 5 knots, becoming south after
midnight. Seas around 4 feet, occasionally to 5 feet.
.SUNDAY...South winds around 5 knots, becoming northeast in the
afternoon. Seas 3 to 4 feet, occasionally to 5 feet.
.SUNDAY NIGHT...Southeast winds around 5 knots. Seas around 3 feet,
occasionally to 4 feet.

$$

AMZ716-181000-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
400 PM AST Tue Sep 17 2024

.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at
4 seconds and northeast 3 feet at 10 seconds. Isolated showers this
evening, then scattered showers after midnight. Numerous showers
late.
.WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds and
northeast 2 feet at 9 seconds. Scattered showers in the morning.
.WEDNESDAY NIGHT...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.
.THURSDAY...Northeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds.
.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...South winds around 5 knots, becoming southeast in the
afternoon. 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 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.SATURDAY...South winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet.
.SUNDAY...South winds 5 to 10 knots. Seas 2 to 4 feet, occasionally
to 5 feet.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

$$

AMZ723-181000-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
400 PM AST Tue Sep 17 2024

.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
5 seconds and east 3 feet at 10 seconds. Isolated showers until
early morning, then scattered showers late.
.WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds and
northeast 2 feet at 10 seconds.
.WEDNESDAY NIGHT...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 10 seconds
and east 1 foot at 4 seconds.
.THURSDAY NIGHT...East winds around 5 knots, becoming southeast
after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave
Detail: Northeast 4 feet at 10 seconds.
.FRIDAY...Southeast winds around 5 knots. Seas 3 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.
.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 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 3 feet,
occasionally to 4 feet.

$$

AMZ726-181000-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
400 PM AST Tue Sep 17 2024

.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 east 3 feet at 10 seconds. Isolated showers until
early morning, then scattered showers late.
.WEDNESDAY...East winds around 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: East 3 feet at 5 seconds and
east 3 feet at 10 seconds. Scattered showers in the morning.
.WEDNESDAY NIGHT...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.
.THURSDAY...Northeast winds around 5 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 9 seconds and southeast 1 foot at 4 seconds.
.THURSDAY NIGHT...Northeast 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 southeast 1 foot at
3 seconds. Scattered showers in the morning.
.FRIDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.SATURDAY...South 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 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

$$

AMZ733-181000-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
400 PM AST Tue Sep 17 2024

.TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
6 seconds and east 1 foot at 11 seconds. Isolated showers.
.WEDNESDAY...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 east 1 foot at 10 seconds.
.WEDNESDAY NIGHT...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 2 feet at 5 seconds and east 1 foot at
9 seconds.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 5 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 10 seconds and southeast 1 foot at 4 seconds.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
.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.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

$$

AMZ735-181000-
Coastal Waters of Southern Puerto Rico out 10 NM-
400 PM AST Tue Sep 17 2024

.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots late. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: East 3 feet at 6 seconds. Isolated showers
until early morning, then scattered showers late.
.WEDNESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: East 3 feet at 6 seconds.
.WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots, becoming northeast 5 to 10 knots after midnight. Seas 2 to
3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at
6 seconds.
.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.
.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...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. Scattered showers in the
afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
.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 5 to 10 knots. Seas around 2 feet.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.

$$

AMZ741-181000-
Mona Passage Southward to 17N-
400 PM AST Tue Sep 17 2024

.TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
6 seconds and north 2 feet at 10 seconds. Isolated showers.
.WEDNESDAY...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 6 seconds and north 2 feet at 10 seconds.
.WEDNESDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet.
Wave Detail: East 3 feet at 6 seconds and northeast 2 feet at
9 seconds.
.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: Southeast 2 feet at 5 seconds
and northeast 2 feet at 9 seconds.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Scattered showers in the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet.
.SUNDAY...Southeast winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

AMZ742-181000-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
400 PM AST Tue Sep 17 2024

.TONIGHT...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
evening and early morning, then diminishing to 5 to 10 knots late.
Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast
2 feet at 6 seconds and north 2 feet at 10 seconds. Isolated
thunderstorms early this evening. Scattered showers this evening.
.WEDNESDAY...East winds 5 to 10 knots. 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 in the afternoon.
.WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to
3 feet, occasionally to 4 feet. Wave Detail: East 2 feet at
6 seconds and north 2 feet at 9 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 9 seconds
and southeast 1 foot at 4 seconds.
.FRIDAY...Southeast winds around 5 knots, becoming southwest around
5 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet.
Wave Detail: Northeast 3 feet at 9 seconds. Scattered showers in the
afternoon.
.FRIDAY NIGHT...East winds around 5 knots. Seas 2 to 4 feet,
occasionally to 5 feet.
.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 5 to 10 knots, becoming south in the
afternoon. 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.

Winds and seas higher in and near thunderstorms.

$$

AMZ745-181000-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
400 PM AST Tue Sep 17 2024

.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds and northwest 1 foot at
9 seconds. Isolated showers this evening.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds and north 1 foot at 9 seconds.
Scattered showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 1 foot at 6 seconds and northwest
1 foot at 8 seconds. Scattered showers in the evening.
.THURSDAY...Southeast winds around 5 knots. Seas around 2 feet. Wave
Detail: Southeast 1 foot at 5 seconds and north 1 foot at 7 seconds.
Scattered showers in the afternoon.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 5 seconds and north 1 foot at 8 seconds.
.FRIDAY...Southeast winds 5 to 10 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.
.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 5 to 10 knots. Seas around 2 feet.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.

$$