359
FZCA52 TJSJ 290845
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
445 AM AST Fri Aug 29 2025

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-292130-
445 AM AST Fri Aug 29 2025

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
The trailing moisture from a past tropical wave, will promote
showers and posible isolated thunderstorms early today across the
local waters. Convective activity is forecast downwind of the islands
during the afternoon hours. Another weak tropical wave will enter
the Lesser Antilles by tomorrow, Saturday. Mariners can expect
moderate east to east- southeast winds and moderate chops across the
regional waters during the rest of this week and into early next
week.

$$

AMZ711-292130-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
445 AM AST Fri Aug 29 2025

.TODAY...Southeast winds 10 to 15 knots with gusts up to 20 knots,
becoming east 5 to 10 knots with gusts up to 20 knots late this
morning and afternoon. Seas 3 to 4 feet. Wave Detail: East 3 feet at
7 seconds and northeast 2 feet at 11 seconds. Scattered showers
early this morning, then isolated showers late this morning and
afternoon.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
around 3 feet. Wave Detail: East 3 feet at 7 seconds and northeast
1 foot at 10 seconds.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 3 feet. Wave Detail: East 3 feet at 7 seconds and
northeast 1 foot at 10 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas around 3 feet. Wave Detail: East 3 feet at 7 seconds
and northeast 1 foot at 10 seconds.
.SUNDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
around 3 feet. Wave Detail: East 3 feet at 6 seconds and northeast
1 foot at 9 seconds.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 7 seconds.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.

$$

AMZ712-292130-
Coastal Waters of Northern Puerto Rico out 10 NM-
445 AM AST Fri Aug 29 2025

.TODAY...East winds 5 to 10 knots. Seas around 3 feet. Wave Detail:
East 3 feet at 7 seconds and northeast 2 feet at 10 seconds.
Scattered showers. Isolated thunderstorms this afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: East 3 feet at 7 seconds and northeast 2 feet at 11 seconds.
Scattered showers in the evening.
.SATURDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. Seas around 3 feet. Wave
Detail: East 3 feet at 7 seconds and northeast 1 foot at 10 seconds.
.SATURDAY 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. Wave Detail: East 3 feet at 7 seconds and northeast 1 foot
at 10 seconds.
.SUNDAY...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. Wave
Detail: East 3 feet at 6 seconds and northeast 1 foot at 9 seconds.
.SUNDAY 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. Wave
Detail: East 3 feet at 5 seconds and northeast 1 foot at 8 seconds.
.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 5 to 10 knots. Seas around 2 feet.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...East winds 10 to 15 knots, becoming southeast 5 to
10 knots after midnight. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ716-292130-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
445 AM AST Fri Aug 29 2025

.TODAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
East 3 feet at 6 seconds and northeast 2 feet at 10 seconds.
Isolated showers.
.TONIGHT...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 and northeast
1 foot at 11 seconds. Scattered showers after midnight.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 6 seconds and northeast 1 foot at 10 seconds.
Scattered showers in the morning.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 6 seconds and northeast 1 foot at 10 seconds.
Scattered showers after midnight.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
East 2 feet at 6 seconds and northeast 1 foot at 9 seconds.
.SUNDAY NIGHT...East winds around 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 5 seconds and northeast 1 foot at 8 seconds.
.MONDAY...East winds 10 to 15 knots. Seas around 2 feet. Scattered
showers in the morning.
.MONDAY NIGHT...East winds around 10 knots. Seas around 2 feet.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.

$$

AMZ723-292130-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
445 AM AST Fri Aug 29 2025

.TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail:
East 3 feet at 7 seconds and northeast 2 feet at 11 seconds.
Isolated showers until late afternoon, then scattered showers late.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
around 3 feet. Wave Detail: East 3 feet at 6 seconds and northeast
1 foot at 11 seconds. Scattered showers.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 3 feet. Wave Detail: East 3 feet at 6 seconds and
northeast 1 foot at 10 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas around 3 feet. Wave Detail: Northeast 3 feet at
6 seconds and northeast 1 foot at 10 seconds.
.SUNDAY...East winds 10 to 15 knots. Seas around 3 feet. Wave
Detail: East 3 feet at 5 seconds and northeast 1 foot at 9 seconds.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds and
northeast 1 foot at 8 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.
.TUESDAY...East winds 10 to 15 knots. Seas around 3 feet. Scattered
showers in the morning.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.

$$

AMZ726-292130-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
445 AM AST Fri Aug 29 2025

.TODAY...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail:
East 3 feet at 6 seconds. Scattered showers early this morning, then
isolated showers late this morning and afternoon.
.TONIGHT...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.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 6 seconds. Scattered showers in the morning.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 6 seconds. Scattered showers after midnight.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
East 3 feet at 6 seconds.
.SUNDAY NIGHT...East winds around 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 5 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas around 2 feet. Scattered
showers in the morning.
.MONDAY NIGHT...East winds around 10 knots. Seas around 2 feet.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.

$$

AMZ733-292130-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
445 AM AST Fri Aug 29 2025

.TODAY...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail:
East 3 feet at 6 seconds. Scattered showers early this morning, then
isolated showers late this morning and afternoon.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
around 3 feet. Wave Detail: East 3 feet at 6 seconds.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 3 feet. Wave Detail: East 3 feet at 6 seconds. Scattered
showers in the morning.
.SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas around 3 feet. Wave Detail: East 3 feet at 6 seconds.
.SUNDAY...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 in the morning.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY...East winds 10 to 15 knots. Seas around 3 feet.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.
Scattered showers.

$$

AMZ735-292130-
Coastal Waters of Southern Puerto Rico out 10 NM-
445 AM AST Fri Aug 29 2025

.TODAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
East 2 feet at 5 seconds. Scattered showers, mainly this morning.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 6 seconds.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 5 seconds.
.SUNDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 3 feet. Wave Detail: East 3 feet at 5 seconds.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 5 seconds.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.

$$

AMZ741-292130-
Mona Passage Southward to 17N-
445 AM AST Fri Aug 29 2025

.TODAY...East winds 5 to 10 knots. Seas around 3 feet. Wave Detail:
East 3 feet at 6 seconds and north 2 feet at 10 seconds. Scattered
showers this morning, then isolated showers and thunderstorms this
afternoon.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
around 3 feet. Wave Detail: East 3 feet at 6 seconds and north
2 feet at 10 seconds.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds and
northeast 1 foot at 10 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds
and northeast 1 foot at 10 seconds.
.SUNDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 3 feet. Wave Detail: East 3 feet at 5 seconds and northeast
1 foot at 10 seconds.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds and
northeast 1 foot at 9 seconds.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ742-292130-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
445 AM AST Fri Aug 29 2025

.TODAY...East winds around 5 knots, becoming northeast around
5 knots late this morning and afternoon. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds and northeast 2 feet at
10 seconds. Numerous showers with isolated thunderstorms this
afternoon.
.TONIGHT...East winds around 5 knots. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 6 seconds and northeast 2 feet at 10 seconds.
.SATURDAY...East winds 5 to 10 knots, becoming northeast in the
afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at
6 seconds and northeast 1 foot at 10 seconds. Numerous showers in
the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 6 seconds and northeast 1 foot at 10 seconds.
.SUNDAY...East winds 5 to 10 knots, becoming northeast in the
afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet at
5 seconds and northeast 1 foot at 9 seconds. Scattered showers in
the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northeast 2 feet at 5 seconds and northeast 1 foot at
9 seconds.
.MONDAY...East winds 5 to 10 knots, diminishing to around 5 knots in
the afternoon. Seas around 2 feet. Numerous showers in the
afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY...East winds around 5 knots. Seas around 2 feet. Numerous
showers in the afternoon.
.TUESDAY NIGHT...East winds around 5 knots, increasing to 5 to
10 knots after midnight. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ745-292130-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
445 AM AST Fri Aug 29 2025

.TODAY...East winds 5 to 10 knots, diminishing to around 5 knots
late this morning and early afternoon, then becoming northeast late.
Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds and
north 1 foot at 10 seconds. Isolated showers this morning, then
scattered showers with isolated thunderstorms early this afternoon.
Isolated showers late.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds.
.SATURDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds. Scattered showers in the
afternoon.
.SATURDAY NIGHT...East winds around 5 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 5 seconds.
.SUNDAY...East winds 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots in the afternoon. Seas around
2 feet. Wave Detail: Southeast 2 feet at 5 seconds. Scattered
showers in the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 4 seconds.
.MONDAY...East winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Seas around 2 feet. Scattered showers in
the afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY...Southeast winds 10 to 15 knots. Seas around 2 feet.
Scattered showers in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$