596
FZCA52 TJSJ 010802
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
402 AM AST Thu Oct 1 2026

Puerto Rico and the U.S. Virgin Islands Waters

Seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.

AMZ700-012030-
402 AM AST Thu Oct 1 2026

.Synopsis for Puerto Rico and the U.S. Virgin Islands Waters...

A surface high pressure north of the region will maintain moderate
to locally fresh easterly trade winds through at least Friday,
producing choppy conditions across the Atlantic and Caribbean waters
and local passages. Winds will become mainly moderate over the
weekend into early next week, maintaining a moderate chop. A
disturbance moving through the region today will increase showers
and thunderstorms, potentially creating locally hazardous conditions
for small craft due to gusty winds, higher seas, lightning, and
reduced visibility. Lingering moisture will sustain unsettled
conditions into the early weekend.

$$

AMZ711-012030-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
402 AM AST Thu Oct 1 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds 10 to 15 knots with gusts up to 25 knots,
increasing to 15 to 20 knots with gusts up to 25 knots late. Seas
around 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at
6 seconds and northeast 2 feet at 14 seconds. Scattered showers
early this morning, then isolated showers late this morning and
afternoon.
.TONIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots
after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave
Detail: East 4 feet at 7 seconds and northeast 2 feet at 14 seconds.
.FRIDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas
4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at
6 seconds and east 2 feet at 11 seconds.
.FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots.
Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet
at 6 seconds and east 2 feet at 10 seconds. Scattered showers in the
evening.
.SATURDAY...East winds 10 to 15 knots with gusts up to 25 knots.
Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet
at 6 seconds and northeast 3 feet at 12 seconds. Scattered showers
in the morning.
.SATURDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet.
Wave Detail: East 4 feet at 5 seconds and northeast 3 feet at
11 seconds. Scattered showers.
.SUNDAY...East winds 10 to 15 knots. Seas around 4 feet,
occasionally to 5 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas around 4 feet,
occasionally to 5 feet.
.MONDAY...East winds 10 to 15 knots. Seas around 4 feet,
occasionally to 5 feet.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas around 4 feet,
occasionally to 5 feet.

$$

AMZ712-012030-
Coastal Waters of Northern Puerto Rico out 10 NM-
402 AM AST Thu Oct 1 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds 10 to 15 knots, increasing to 15 to 20 knots
this afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave
Detail: Northeast 4 feet at 7 seconds and northeast 2 feet at
15 seconds. Numerous showers this morning, then scattered showers
with isolated thunderstorms this afternoon.
.TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots,
diminishing to 5 to 10 knots after midnight. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 4 feet at 7 seconds
and northeast 2 feet at 14 seconds. Scattered showers.
.FRIDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave
Detail: East 4 feet at 6 seconds and northeast 2 feet at 13 seconds.
Scattered showers.
.FRIDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Gusts up to 25 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds and
northeast 2 feet at 13 seconds.
.SATURDAY...East winds 5 to 10 knots, increasing to 15 to 20 knots
with gusts up to 25 knots in the afternoon. Seas around 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds and
northeast 3 feet at 12 seconds. Scattered showers in the afternoon.
.SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to
25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
East 4 feet at 5 seconds and northeast 3 feet at 11 seconds.
.SUNDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. Seas around 4 feet, occasionally to 5 feet. Scattered
showers in the morning.
.SUNDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. 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, diminishing to 5 to
10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ716-012030-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
402 AM AST Thu Oct 1 2026

.TODAY...East winds around 15 knots with gusts up to 20 knots. Seas
3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at
7 seconds and north 2 feet at 15 seconds. Scattered showers.
Isolated thunderstorms 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 4 feet at
7 seconds and northeast 2 feet at 14 seconds. Scattered showers.
.FRIDAY...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 northeast 2 feet at 13 seconds. Scattered showers.
.FRIDAY 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 5 seconds and northeast 2 feet at 13 seconds. Scattered showers.
.SATURDAY...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 northeast 3 feet at 12 seconds. Scattered showers.
.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 5 seconds and northeast 3 feet at 11 seconds.
Scattered showers.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet.
.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. Scattered showers in the afternoon.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ723-012030-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
402 AM AST Thu Oct 1 2026

.TODAY...East winds around 15 knots with gusts up to 20 knots. Seas
4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at
6 seconds and northeast 2 feet at 14 seconds. Scattered showers
early this morning, then isolated showers late this morning and
early afternoon. Scattered showers late.
.TONIGHT...East winds around 15 knots with gusts up to 20 knots.
Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet
at 6 seconds and northeast 2 feet at 14 seconds. Scattered showers.
.FRIDAY...East winds around 15 knots with gusts up to 20 knots. Seas
around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
5 seconds and northeast 2 feet at 13 seconds. Scattered showers in
the morning.
.FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet
at 5 seconds and northeast 2 feet at 13 seconds. Scattered showers.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 4 feet, occasionally to 5 feet. Wave Detail: Southeast
4 feet at 5 seconds and east 2 feet at 10 seconds. Scattered showers
in the morning.
.SATURDAY NIGHT...East winds around 15 knots with gusts up to
25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
East 4 feet at 5 seconds and northeast 2 feet at 11 seconds.
.SUNDAY...East winds 10 to 15 knots. Seas around 4 feet,
occasionally to 5 feet.
.SUNDAY NIGHT...East winds around 15 knots. Seas around 4 feet,
occasionally to 5 feet.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Scattered showers in the afternoon.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

AMZ726-012030-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
402 AM AST Thu Oct 1 2026

.TODAY...East winds around 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. Scattered showers early this morning, then isolated
showers late this morning. Scattered 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 4 feet at
6 seconds. Scattered showers.
.FRIDAY...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. Scattered showers.
.FRIDAY 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 6 seconds and east 1 foot at 10 seconds. Scattered showers.
.SATURDAY...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. Scattered showers.
.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 5 seconds and east 1 foot at 9 seconds. Scattered
showers.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet.
.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 around 3 feet. Scattered
showers in the afternoon.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.

$$

AMZ733-012030-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
402 AM AST Thu Oct 1 2026

.TODAY...East winds around 15 knots with gusts up to 25 knots. Seas
around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
6 seconds. Numerous showers, mainly this morning.
.TONIGHT...East winds around 15 knots with gusts up to 25 knots.
Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet
at 6 seconds. Scattered showers.
.FRIDAY...East winds around 15 knots with gusts up to 25 knots. Seas
around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
6 seconds. Scattered showers in the morning.
.FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet
at 6 seconds and east 1 foot at 9 seconds. Scattered showers.
.SATURDAY...East winds 10 to 15 knots with gusts up to 25 knots.
Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet
at 6 seconds and northeast 1 foot at 10 seconds. Scattered showers
in the morning.
.SATURDAY NIGHT...East winds 15 to 20 knots with gusts up to
25 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail:
East 4 feet at 6 seconds and northeast 1 foot at 10 seconds.
.SUNDAY...East winds around 15 knots. Seas around 4 feet,
occasionally to 5 feet.
.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. Scattered showers in the afternoon.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.

$$

AMZ735-012030-
Coastal Waters of Southern Puerto Rico out 10 NM-
402 AM AST Thu Oct 1 2026

.TODAY...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. Numerous showers early this morning, then isolated
showers late this morning and early afternoon. Scattered showers
late.
.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 3 feet at
6 seconds.
.FRIDAY...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
6 seconds.
.FRIDAY 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 6 seconds.
.SATURDAY...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 6 seconds. Scattered showers.
.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 6 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 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.
.MONDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Seas 2 to 3 feet.
.MONDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 3 feet.

$$

AMZ741-012030-
Mona Passage Southward to 17N-
402 AM AST Thu Oct 1 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots
late. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East
4 feet at 6 seconds and north 1 foot at 9 seconds. Scattered showers
this morning, then isolated showers early this afternoon. Scattered
showers late.
.TONIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots
after midnight. Seas around 4 feet, occasionally to 5 feet. Wave
Detail: Northeast 4 feet at 7 seconds and north 1 foot at 8 seconds.
Scattered showers.
.FRIDAY...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 7 seconds and north 1 foot at 14 seconds. Scattered showers in
the morning.
.FRIDAY NIGHT...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 7 seconds and north 2 feet at 13 seconds. Scattered
showers in the evening.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet
at 6 seconds and north 2 feet at 13 seconds. Scattered showers in
the morning, then numerous showers in the afternoon.
.SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to
25 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail:
Southeast 4 feet at 6 seconds and north 2 feet at 12 seconds.
.SUNDAY...East winds 10 to 15 knots. Seas around 4 feet,
occasionally to 5 feet. Scattered showers.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas around 4 feet,
occasionally to 5 feet.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Scattered showers in the afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet.

$$

AMZ742-012030-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
402 AM AST Thu Oct 1 2026

.TODAY...East winds 5 to 10 knots, diminishing to around 5 knots
this afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave
Detail: Northeast 3 feet at 6 seconds and north 2 feet at 9 seconds.
Scattered showers early this afternoon. Numerous showers with
isolated thunderstorms late.
.TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: South 1 foot at 5 seconds and north 1 foot
at 8 seconds. Scattered showers in the evening.
.FRIDAY...East winds 5 to 10 knots, diminishing to around 5 knots in
the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave
Detail: Southeast 2 feet at 5 seconds and northeast 2 feet at
13 seconds. Numerous showers in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 2 feet at 5 seconds
and north 2 feet at 12 seconds.
.SATURDAY...East winds around 5 knots, becoming northeast in the
afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
Southeast 2 feet at 6 seconds and north 2 feet at 12 seconds.
Numerous showers in the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots with gusts up to
20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
Southeast 2 feet at 6 seconds.
.SUNDAY...East winds 5 to 10 knots, becoming northeast 10 to
15 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet.
Scattered showers in the afternoon.
.SUNDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.
.MONDAY...East winds 10 to 15 knots, becoming northeast 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Scattered showers in
the afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ745-012030-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
402 AM AST Thu Oct 1 2026

.TODAY...East winds 5 to 10 knots with gusts up to 20 knots,
increasing to 10 to 15 knots with gusts up to 25 knots this
afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
6 seconds and north 2 feet at 8 seconds. Isolated showers early this
afternoon. Scattered showers with isolated thunderstorms late.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds and north
1 foot at 8 seconds.
.FRIDAY...East winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast
2 feet at 5 seconds and north 1 foot at 8 seconds. Scattered showers
in the afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds and
north 1 foot at 8 seconds.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 6 seconds and north 1 foot at 9 seconds.
Numerous showers in the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 6 seconds and north 1 foot at 7 seconds.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Scattered
showers in the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
.MONDAY...East winds around 5 knots. Seas around 2 feet. Scattered
showers in the afternoon.
.MONDAY NIGHT...East winds around 5 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$