375
FZCA52 TJSJ 072045
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
445 PM AST Tue Oct 7 2025

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-080915-
445 PM AST Tue Oct 7 2025

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A long-period northeasterly swell will gradually continue to fade
across the local Atlantic waters and passages tonight. A tropical
wave will influence the region through Wednesday, increasing the
frequency of showers and thunderstorms over the regional waters,
especially during the afternoon hours, with activity further enhanced
near coastal areas by diurnally driven convection. Tropical Storm
Jerry is expected to move northeast of the region by Friday. Tropical
storm conditions are possible by Thursday night, mostly across the
eastern half of the regional waters including Atlantic and Caribbean
waters, and the Anegada Passage.


$$

AMZ711-080915-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
445 PM AST Tue Oct 7 2025

.TONIGHT...East winds 10 to 15 knots. Seas around 5 feet. Wave
Detail: Northeast 5 feet at 12 seconds and east 3 feet at 7 seconds.
Isolated thunderstorms this evening. Scattered showers.
.WEDNESDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds
and northeast 4 feet at 11 seconds. Scattered showers in the
morning.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 4 to 5 feet. Wave Detail: East 3 feet at 7 seconds
and northeast 3 feet at 10 seconds.
.THURSDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 8 seconds
and northeast 3 feet at 9 seconds.
.THURSDAY NIGHT...Tropical storm conditions possible. East winds
10 to 15 knots with gusts up to 20 knots. Seas 4 to 6 feet. Wave
Detail: East 4 feet at 7 seconds and northeast 2 feet at 13 seconds.
.FRIDAY...Tropical storm conditions possible. South winds 5 to
10 knots, becoming southwest in the afternoon. Seas 5 to 8 feet.
Wave Detail: Northeast 8 feet at 13 seconds and northeast 3 feet at
7 seconds. Scattered showers in the afternoon.
.FRIDAY NIGHT...South winds around 5 knots, increasing to 5 to
10 knots after midnight. Seas 5 to 8 feet. Scattered showers.
.SATURDAY...Southeast winds 10 to 15 knots with gusts up to
25 knots. Seas 6 to 8 feet. Scattered showers.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 5 to 7 feet.
Scattered showers.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 5 feet.
Scattered showers.
.SUNDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. Seas around
5 feet. Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ712-080915-
Coastal Waters of Northern Puerto Rico out 10 NM-
445 PM AST Tue Oct 7 2025

.TONIGHT...Southeast winds 5 to 10 knots. Seas 4 to 5 feet. Wave
Detail: Northeast 5 feet at 12 seconds and east 2 feet at 7 seconds.
Scattered showers with isolated thunderstorms this evening, then
isolated showers after midnight.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 4 feet. Wave
Detail: Northeast 4 feet at 11 seconds and east 3 feet at 7 seconds.
Scattered showers in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet.
Wave Detail: Northeast 3 feet at 7 seconds and northeast 3 feet at
10 seconds. Scattered showers after midnight.
.THURSDAY...Southeast winds 5 to 10 knots, becoming east 10 to
15 knots with gusts up to 20 knots in the afternoon. Seas 3 to
4 feet. Wave Detail: Northeast 3 feet at 9 seconds. Scattered
showers in the afternoon.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: Northeast 3 feet at 8 seconds and northeast 1 foot at
13 seconds.
.FRIDAY...South winds 5 to 10 knots, becoming west in the afternoon.
Seas around 3 feet. Wave Detail: Northeast 3 feet at 7 seconds and
northeast 2 feet at 12 seconds. Scattered showers in the afternoon.
.FRIDAY NIGHT...South winds around 5 knots. Seas 3 to 4 feet.
Scattered showers.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 4 to 6 feet.
Scattered showers.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, diminishing to
around 5 knots after midnight. Seas 5 to 6 feet.
.SUNDAY...Southeast winds around 5 knots, becoming east in the
afternoon. Seas 4 to 5 feet. Numerous showers in the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet.
Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ716-080915-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
445 PM AST Tue Oct 7 2025

.TONIGHT...Southeast winds 5 to 10 knots. Seas 3 to 5 feet. Wave
Detail: Northeast 5 feet at 12 seconds. Numerous showers with
isolated thunderstorms this evening, then scattered showers after
midnight.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 4 feet at 11 seconds and southeast 2 feet at
5 seconds. Scattered showers.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at
10 seconds and southeast 2 feet at 6 seconds. Scattered showers.
.THURSDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds
and northeast 3 feet at 9 seconds. Scattered showers.
.THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds
and northeast 1 foot at 12 seconds. Scattered showers.
.FRIDAY...Tropical storm conditions possible. South winds 5 to
10 knots, diminishing to around 5 knots in the afternoon. Seas 3 to
4 feet. Wave Detail: Northeast 3 feet at 7 seconds and northeast
3 feet at 12 seconds. Scattered showers.
.FRIDAY NIGHT...South winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. Seas 3 to 5 feet.
Scattered showers.
.SATURDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 4 to 6 feet. Scattered showers in
the morning, then numerous showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Seas 4 to
6 feet. Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas 3 to 5 feet. Numerous
showers.
.SUNDAY 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.
Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ723-080915-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
445 PM AST Tue Oct 7 2025

.TONIGHT...Southeast winds 5 to 10 knots. Seas around 4 feet. Wave
Detail: Northeast 4 feet at 12 seconds and southeast 2 feet at
4 seconds. Isolated showers early this evening, then scattered
showers with isolated thunderstorms late this evening. Isolated
showers after midnight.
.WEDNESDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at
5 seconds and northeast 3 feet at 11 seconds. Scattered showers
until late afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds
and northeast 2 feet at 10 seconds. Scattered showers.
.THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 4 feet. Wave Detail: East 4 feet at 6 seconds and
northeast 2 feet at 10 seconds. Scattered showers.
.THURSDAY NIGHT...Tropical storm conditions possible. East winds
10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 6 seconds and east 3 feet at 14 seconds.
Scattered showers.
.FRIDAY...Tropical storm conditions possible. South winds around
5 knots, increasing to 5 to 10 knots in the afternoon. Seas 5 to
7 feet. Wave Detail: East 6 feet at 14 seconds and east 3 feet at
6 seconds. Scattered showers.
.FRIDAY NIGHT...South winds 10 to 15 knots, becoming southeast 15 to
20 knots after midnight. Seas 5 to 7 feet. Scattered showers.
.SATURDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 6 to 7 feet. Numerous showers.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet.
Numerous showers.
.SUNDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Numerous
showers.
.SUNDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 3 to 4 feet. Numerous showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ726-080915-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
445 PM AST Tue Oct 7 2025

.TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 2 feet at 6 seconds and northeast 2 feet at
12 seconds. Numerous showers with isolated thunderstorms this
evening, then scattered showers after midnight.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 6 seconds and northeast 1 foot at
11 seconds. Scattered showers.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
6 seconds. Scattered showers.
.THURSDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds.
Scattered showers.
.THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds.
Scattered showers.
.FRIDAY...South winds around 5 knots. Seas 3 to 5 feet. Wave Detail:
East 3 feet at 6 seconds and east 3 feet at 14 seconds. Scattered
showers.
.FRIDAY NIGHT...South winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. Seas 3 to 5 feet.
Scattered showers.
.SATURDAY...Southeast winds 10 to 15 knots with gusts up to
25 knots. Seas 3 to 5 feet. Scattered showers in the morning, then
numerous showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to
4 feet. Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Scattered
showers in the morning.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ733-080915-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
445 PM AST Tue Oct 7 2025

.TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 6 seconds and northeast 1 foot at 13 seconds.
Isolated thunderstorms this evening. Scattered showers until early
morning, then isolated showers late.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 6 seconds and northeast 1 foot at 12 seconds.
Scattered showers late.
.WEDNESDAY 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.
Wave Detail: East 2 feet at 6 seconds and northeast 1 foot at
11 seconds. Scattered showers.
.THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet.
Wave Detail: East 3 feet at 6 seconds and northeast 1 foot at
10 seconds. Scattered showers.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 6 seconds. Scattered showers.
.FRIDAY...Southeast winds around 5 knots, becoming south in the
afternoon. Seas 2 to 4 feet. Wave Detail: East 3 feet at 14 seconds
and east 2 feet at 6 seconds. Scattered showers in the afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots after midnight. Seas 3 to 4 feet.
Scattered showers.
.SATURDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 5 feet. Scattered showers.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 4 to 5 feet.
Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Numerous
showers in the morning.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet.
Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ735-080915-
Coastal Waters of Southern Puerto Rico out 10 NM-
445 PM AST Tue Oct 7 2025

.TONIGHT...East winds around 5 knots, increasing to 5 to 10 knots
after midnight. Seas around 2 feet. Wave Detail: East 2 feet at
5 seconds. Isolated thunderstorms this evening. Scattered showers.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 4 seconds. Scattered showers in the late
evening and overnight.
.THURSDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 5 seconds. Scattered showers in the
afternoon.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.FRIDAY...Southeast winds around 5 knots, becoming south around
5 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast
2 feet at 6 seconds. Scattered showers in the afternoon.
.FRIDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
Scattered showers in the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet.
Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas 3 to 4 feet.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ741-080915-
Mona Passage Southward to 17N-
445 PM AST Tue Oct 7 2025

.TONIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet. Wave Detail:
North 5 feet at 13 seconds and east 2 feet at 5 seconds. Scattered
showers with isolated thunderstorms this evening, then isolated
showers after midnight.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: North 4 feet at 12 seconds and east 2 feet at 5 seconds.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: North 3 feet at 11 seconds and southeast 2 feet at
4 seconds. Scattered showers after midnight.
.THURSDAY...Southeast winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: North 3 feet at 9 seconds and east 2 feet at 5 seconds.
.THURSDAY NIGHT...East winds around 5 knots, increasing to 5 to
10 knots after midnight. Seas around 3 feet. Wave Detail: East
3 feet at 6 seconds and north 2 feet at 9 seconds.
.FRIDAY...Southeast winds around 5 knots. Seas around 3 feet. Wave
Detail: East 3 feet at 7 seconds and north 1 foot at 12 seconds.
.FRIDAY NIGHT...Southeast winds around 5 knots. Seas around 3 feet.
Scattered showers.
.SATURDAY...Southeast winds around 5 knots, increasing to 5 to
10 knots in the afternoon. Seas around 3 feet.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ742-080915-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
445 PM AST Tue Oct 7 2025

.TONIGHT...East winds 5 to 10 knots, diminishing to around 5 knots
after midnight. Seas 3 to 5 feet. Wave Detail: Northeast 5 feet at
13 seconds. Scattered showers early this evening. Isolated
thunderstorms this evening. Isolated showers late this evening and
early morning.
.WEDNESDAY...Southeast winds around 5 knots, becoming south in the
afternoon. Seas 2 to 4 feet. Wave Detail: Northeast 4 feet at
12 seconds and south 2 feet at 3 seconds. Scattered showers in the
afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots, diminishing to around
5 knots after midnight. Seas 2 to 4 feet. Wave Detail: North 4 feet
at 11 seconds and southeast 3 feet at 4 seconds. Scattered showers
early in the evening.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds and northeast 3 feet at
9 seconds. Numerous showers in the afternoon.
.THURSDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 4 seconds and north 3 feet at 9 seconds.
.FRIDAY...South winds around 5 knots. Seas 2 to 3 feet. Wave Detail:
Northeast 3 feet at 8 seconds.
.FRIDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
.SUNDAY...Southeast winds 5 to 10 knots, diminishing to around
5 knots in the afternoon. Seas 2 to 4 feet. Numerous showers in the
afternoon.
.SUNDAY NIGHT...East winds around 5 knots. Seas 2 to 4 feet.
Numerous showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ745-080915-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
445 PM AST Tue Oct 7 2025

.TONIGHT...East winds around 5 knots, increasing to 5 to 10 knots
after midnight. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at
13 seconds. Isolated showers early this evening.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 3 seconds and northwest 2 feet at
12 seconds.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 3 seconds and northwest 1 foot at
11 seconds.
.THURSDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 1 foot at 4 seconds and north 1 foot at 9 seconds.
Numerous showers in the afternoon.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 1 foot at 5 seconds and north 1 foot at 9 seconds.
.FRIDAY...Southeast winds around 5 knots, becoming south in the
afternoon. Seas around 2 feet. Wave Detail: South 1 foot at
5 seconds and north 1 foot at 9 seconds. Scattered showers in the
afternoon.
.FRIDAY NIGHT...Southeast winds around 5 knots. Seas around 2 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Scattered showers in the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
Scattered showers.

$$