Coastal Waters Forecast
Issued by NWS San Juan, PR

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792
FZCA52 TJSJ 082020
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
420 PM AST Wed Oct 8 2025

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-090930-
420 PM AST Wed Oct 8 2025

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
Moisture associated with a tropical wave will continue to produce
thunderstorms over the western waters of Puerto Rico through this
evening. Tropical Storm Jerry is expected to move northeast of the
region by Friday, increasing shower and thunderstorm activity once
again across the regional waters. Swells from Jerry could also
result in hazardous seas as Jerry tracks northeast of the region
through the weekend.


$$

AMZ711-090930-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
420 PM AST Wed Oct 8 2025

.TONIGHT...East 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
3 feet at 10 seconds. Isolated showers.
.THURSDAY...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 9 seconds. Scattered showers late in the
morning.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 6 feet. Wave
Detail: East 3 feet at 7 seconds and northeast 3 feet at 9 seconds.
Scattered showers in the evening.
.FRIDAY...South winds around 5 knots, increasing to 5 to 10 knots in
the afternoon. Seas 5 to 7 feet, building to 6 to 9 feet in the
afternoon. Wave Detail: Northeast 9 feet at 13 seconds and east
2 feet at 7 seconds. Scattered showers in the afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas 5 to 8 feet. Wave
Detail: East 8 feet at 13 seconds. Scattered showers.
.SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 5 to 7 feet. Wave Detail: East 7 feet at 11 seconds. Scattered
showers.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 4 to 5 feet.
Scattered showers.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Scattered
showers.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 4 to 5 feet. Scattered showers.
.MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
4 to 5 feet. Scattered showers in the morning.
.MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 4 to 5 feet. Scattered showers.

$$

AMZ712-090930-
Coastal Waters of Northern Puerto Rico out 10 NM-
420 PM AST Wed Oct 8 2025

.TONIGHT...Southeast winds 5 to 10 knots. Seas around 4 feet. Wave
Detail: East 3 feet at 7 seconds and northeast 3 feet at 10 seconds.
Isolated showers this evening. Scattered showers after midnight,
then isolated showers late.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 7 seconds and north 3 feet at 9 seconds.
Scattered showers in the afternoon.
.THURSDAY NIGHT...South winds around 5 knots. Seas around 3 feet.
Wave Detail: Northeast 3 feet at 9 seconds and east 2 feet at
7 seconds. Scattered showers late in the evening.
.FRIDAY...South winds around 5 knots, becoming west in the
afternoon. Seas around 3 feet. Wave Detail: Northeast 3 feet at
10 seconds and east 2 feet at 7 seconds. Scattered showers in the
afternoon.
.FRIDAY NIGHT...South winds around 5 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 4 feet at 14 seconds and east 2 feet at 7 seconds.
Scattered showers.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 4 to 5 feet. Wave
Detail: Northeast 5 feet at 13 seconds. Scattered showers.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, diminishing to
around 5 knots after midnight. Seas 3 to 5 feet.
.SUNDAY...East winds around 5 knots. Seas 3 to 4 feet. Numerous
showers in the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet.
Scattered showers.
.MONDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. Seas around 4 feet.
Scattered showers.
.MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots after midnight. Seas around 4 feet.
Scattered showers.

$$

AMZ716-090930-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
420 PM AST Wed Oct 8 2025

.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds and
northeast 3 feet at 11 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 6 seconds
and northeast 3 feet at 10 seconds. Scattered showers.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: Northeast 3 feet at 8 seconds and east 2 feet at 7 seconds.
Scattered showers.
.FRIDAY...South winds around 5 knots, increasing to 5 to 10 knots in
the afternoon. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at
10 seconds and east 2 feet at 7 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 4 feet.
Wave Detail: Northeast 4 feet at 12 seconds and south 3 feet at
4 seconds. Scattered showers.
.SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 5 feet. Wave Detail: Northeast 4 feet at 11 seconds and
south 3 feet at 4 seconds. 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 2 to
4 feet. Scattered showers.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Numerous
showers.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 4 feet. Numerous showers.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 4 feet.
.MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet.

$$

AMZ723-090930-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
420 PM AST Wed Oct 8 2025

.TONIGHT...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
3 feet at 10 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 around 4 feet.
Wave Detail: East 3 feet at 5 seconds and northeast 2 feet at
10 seconds. Scattered showers.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots, becoming southeast
after midnight. Seas 4 to 6 feet. Wave Detail: East 5 feet at
13 seconds and east 3 feet at 7 seconds. Scattered showers.
.FRIDAY...South winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. Seas 5 to 7 feet. Wave
Detail: East 6 feet at 13 seconds and south 2 feet at 3 seconds.
Scattered showers.
.FRIDAY NIGHT...South winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 5 to 6 feet. Wave Detail: Southeast
5 feet at 7 seconds and northeast 5 feet at 12 seconds. Scattered
showers.
.SATURDAY...Southeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 5 to 6 feet. Wave Detail: Southeast
5 feet at 7 seconds and northeast 4 feet at 10 seconds. Numerous
showers.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas 3 to 4 feet.
Numerous showers.
.SUNDAY...East winds 5 to 10 knots. Seas around 3 feet. Numerous
showers.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet. Numerous showers.
.MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
3 to 4 feet.
.MONDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet.

$$

AMZ726-090930-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
420 PM AST Wed Oct 8 2025

.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. Scattered
showers.
.THURSDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to
4 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave
Detail: East 2 feet at 6 seconds and northeast 2 feet at 10 seconds.
Scattered showers.
.FRIDAY...South winds around 5 knots, increasing to 5 to 10 knots in
the afternoon. Seas 3 to 5 feet. Wave Detail: East 4 feet at
13 seconds and east 2 feet at 7 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.
Wave Detail: East 5 feet at 12 seconds and south 3 feet at
4 seconds. Scattered showers.
.SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 5 feet. Wave Detail: South 4 feet at 6 seconds and east
3 feet at 11 seconds. 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 2 to 3 feet. Scattered
showers in the morning.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 4 feet.
.MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet.

$$

AMZ733-090930-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
420 PM AST Wed Oct 8 2025

.TONIGHT...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 3 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,
becoming southeast 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...South winds around 5 knots, increasing to 5 to 10 knots in
the afternoon. Seas 2 to 4 feet. Wave Detail: East 3 feet at
13 seconds and east 2 feet at 6 seconds. Scattered showers in the
afternoon.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. Seas 3 to 5 feet.
Wave Detail: Southeast 3 feet at 6 seconds and east 3 feet at
13 seconds. Scattered showers.
.SATURDAY...Southeast winds 10 to 15 knots with gusts up to
25 knots. Seas 4 to 6 feet. Wave Detail: Southeast 4 feet at
7 seconds and east 3 feet at 13 seconds. Scattered showers.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 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 10 to 15 knots. Seas around 3 feet.
Scattered showers.
.MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
around 3 feet.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.

$$

AMZ735-090930-
Coastal Waters of Southern Puerto Rico out 10 NM-
420 PM AST Wed Oct 8 2025

.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds. Isolated showers early this
evening, then scattered showers late this evening and overnight.
.THURSDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds. Scattered showers in the
afternoon.
.THURSDAY NIGHT...Northeast winds around 5 knots. Seas around
2 feet. Wave Detail: East 2 feet at 5 seconds.
.FRIDAY...Southeast winds around 5 knots, becoming south 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.
Wave Detail: East 2 feet at 6 seconds and east 2 feet at 14 seconds.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 7 seconds and east 2 feet at 13 seconds.
Scattered showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet.
Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas around 3 feet.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered
showers in the morning.
.MONDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 3 feet.

$$

AMZ741-090930-
Mona Passage Southward to 17N-
420 PM AST Wed Oct 8 2025

.TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail:
North 3 feet at 11 seconds and southeast 2 feet at 5 seconds.
Isolated showers this evening. Scattered showers after midnight,
then isolated showers late.
.THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots,
becoming southeast 5 to 10 knots in the afternoon. Seas 2 to 3 feet.
Wave Detail: North 3 feet at 9 seconds and east 2 feet at 4 seconds.
.THURSDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 5 seconds and north 2 feet at 9 seconds.
.FRIDAY...Southeast winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 6 seconds and northeast 2 feet at
9 seconds.
.FRIDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 6 seconds and northeast 2 feet at
11 seconds. Scattered showers.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 3 feet at 12 seconds and southeast 2 feet at
6 seconds.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 5 feet.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Scattered
showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet.

$$

AMZ742-090930-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
420 PM AST Wed Oct 8 2025

.TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail:
North 4 feet at 11 seconds and south 2 feet at 3 seconds. Scattered
showers early this evening.
.THURSDAY...Southeast winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: North 3 feet at 8 seconds and south 1 foot at 3 seconds.
Numerous showers in the afternoon.
.THURSDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: North 3 feet at 9 seconds and south 1 foot at 3 seconds.
.FRIDAY...South winds around 5 knots, increasing to 5 to 10 knots in
the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at
8 seconds. Scattered showers in the afternoon.
.FRIDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 2 feet at 9 seconds.
.SATURDAY...Southeast winds 5 to 10 knots, becoming south 10 to
15 knots with gusts up to 20 knots in the afternoon. Seas 2 to
3 feet. Wave Detail: South 2 feet at 3 seconds and northeast 2 feet
at 11 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Seas 2 to 4 feet.
.SUNDAY...Southeast winds around 5 knots. Seas 2 to 3 feet. Numerous
showers in the afternoon.
.SUNDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet.
Numerous showers.
.MONDAY...East winds 5 to 10 knots. Seas 2 to 4 feet. Scattered
showers in the morning, then numerous showers in the afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet.
Scattered showers.

$$

AMZ745-090930-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
420 PM AST Wed Oct 8 2025

.TONIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 3 seconds and northwest 1 foot at 11 seconds.
Isolated showers.
.THURSDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 1 foot at 3 seconds and northwest 1 foot at
9 seconds. Numerous showers early in the afternoon. Scattered
showers late.
.THURSDAY NIGHT...East winds around 5 knots. Seas around 2 feet.
Wave Detail: Southeast 1 foot at 3 seconds and north 1 foot at
9 seconds.
.FRIDAY...Southeast winds around 5 knots. Seas around 2 feet. Wave
Detail: South 1 foot at 4 seconds and north 1 foot at 9 seconds.
Scattered showers in the afternoon.
.FRIDAY NIGHT...Southeast winds around 5 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 5 seconds and north 1 foot at
9 seconds.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 1 foot at 3 seconds and northwest 1 foot at 9 seconds.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Scattered
showers in the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
Scattered showers.
.MONDAY...East winds 5 to 10 knots, becoming southeast 10 to
15 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.
Scattered showers.

$$