015
FZCA52 TJSJ 040642
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
242 AM AST Sat Oct 4 2025

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-041930-
242 AM AST Sat Oct 4 2025

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A col near the region will promote a light to gentle variable wind
flow across the islands for the next few days. A long-period north
to northwesterly swell will spread across the local Atlantic waters
and passages through early next week, deteriorating marine and
coastal conditions through early next week. A tropical wave will
approach the region by Monday, increasing the frequency of showers.

$$

AMZ711-041930-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
242 AM AST Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...East winds 5 to 10 knots. Seas 8 to 10 feet. Wave Detail:
North 7 feet at 12 seconds and east 2 feet at 9 seconds. Scattered
showers early this morning, then isolated showers late this morning.
Scattered showers this afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas 9 to 10 feet. Wave Detail:
North 7 feet at 12 seconds and east 2 feet at 9 seconds. Scattered
showers.
.SUNDAY...East winds 5 to 10 knots. Seas 8 to 10 feet. Wave Detail:
North 7 feet at 13 seconds and east 2 feet at 9 seconds. Scattered
showers.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 7 to 8 feet. Wave Detail: North 7 feet at 13 seconds and east
2 feet at 8 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas 7 to 8 feet. Wave Detail:
Northeast 7 feet at 14 seconds and east 2 feet at 8 seconds.
Scattered showers.
.MONDAY NIGHT...East winds around 10 knots. Seas 6 to 7 feet. Wave
Detail: Northeast 7 feet at 14 seconds and east 3 feet at 8 seconds.
Scattered showers.
.TUESDAY...East winds 5 to 10 knots. Seas 5 to 6 feet. Numerous
showers, mainly in the morning.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet.
Scattered showers.
.WEDNESDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas around 4 feet.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
4 feet.

$$

AMZ712-041930-
Coastal Waters of Northern Puerto Rico out 10 NM-
242 AM AST Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...Southeast winds around 5 knots, becoming east this
afternoon. Seas 9 to 11 feet. Wave Detail: North 8 feet at
13 seconds and east 1 foot at 8 seconds. Scattered showers. Isolated
thunderstorms this afternoon.
.TONIGHT...Southeast winds 5 to 10 knots. Seas around 9 feet. Wave
Detail: North 7 feet at 12 seconds and east 1 foot at 8 seconds.
Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas 8 to 9 feet. Wave Detail:
North 7 feet at 12 seconds and east 1 foot at 9 seconds. Scattered
showers.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 7 feet. Wave
Detail: North 7 feet at 13 seconds and east 1 foot at 8 seconds.
Scattered showers.
.MONDAY...East winds 5 to 10 knots. Seas around 7 feet. Wave Detail:
Northeast 7 feet at 14 seconds and east 1 foot at 8 seconds.
Scattered showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 6 to 7 feet. Wave
Detail: Northeast 6 feet at 14 seconds and east 1 foot at 8 seconds.
Scattered showers.
.TUESDAY...East winds 5 to 10 knots. Seas 5 to 6 feet. Scattered
showers in the afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 4 to 5 feet.
Numerous showers.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 4 feet. Scattered
showers in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet.
Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ716-041930-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
242 AM AST Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...East winds 5 to 10 knots. Seas 7 to 10 feet. Wave Detail:
North 8 feet at 13 seconds. Scattered showers. Isolated
thunderstorms this afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas 6 to 8 feet. Wave Detail:
North 6 feet at 12 seconds and northeast 6 feet at 12 seconds.
Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas 6 to 9 feet. Wave Detail:
Northeast 7 feet at 14 seconds and east 1 foot at 7 seconds.
Scattered showers.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 7 feet. Wave
Detail: Northeast 6 feet at 13 seconds and east 2 feet at 7 seconds.
Scattered showers in the evening, then numerous showers after
midnight.
.MONDAY...East winds around 10 knots. Seas 5 to 7 feet. Wave Detail:
Northeast 7 feet at 13 seconds and east 2 feet at 7 seconds.
Numerous showers, mainly in the morning.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 5 to 7 feet. Wave
Detail: Northeast 6 feet at 14 seconds and east 2 feet at 7 seconds.
Scattered showers.
.TUESDAY...East winds 5 to 10 knots. Seas 4 to 6 feet. Numerous
showers in the morning.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas 3 to 5 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Scattered showers.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ723-041930-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
242 AM AST Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...East winds around 5 knots. Seas 4 to 6 feet. Wave Detail:
North 4 feet at 14 seconds and northeast 2 feet at 8 seconds.
Scattered showers early this morning, then isolated showers late
this morning. Scattered showers this afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas 5 to 7 feet. Wave Detail:
North 6 feet at 14 seconds and northeast 2 feet at 7 seconds.
Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas 5 to 8 feet. Wave Detail:
Northeast 6 feet at 14 seconds and east 2 feet at 7 seconds.
Scattered showers.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 5 to 7 feet. Wave Detail: Northeast 7 feet at 13 seconds.
Scattered showers in the evening, then numerous showers after
midnight.
.MONDAY...East winds 5 to 10 knots. Seas 5 to 7 feet. Wave Detail:
Northeast 7 feet at 14 seconds. Numerous showers, mainly in the
morning.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 5 to 6 feet. Wave
Detail: Northeast 6 feet at 14 seconds.
.TUESDAY...Southeast winds around 10 knots. Seas 4 to 5 feet.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas around
4 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas around 4 feet.
Scattered showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas around 4 feet.
Scattered showers.

$$

AMZ726-041930-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
242 AM AST Sat Oct 4 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds around 5 knots. Seas 4 to 6 feet. Wave Detail:
Northwest 2 feet at 10 seconds and east 1 foot at 8 seconds.
Scattered showers. Isolated thunderstorms this afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet. Wave Detail:
East 1 foot at 8 seconds and northwest 1 foot at 9 seconds.
Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas 4 to 6 feet. Wave Detail:
Southeast 2 feet at 3 seconds and northeast 2 feet at 13 seconds.
Scattered showers in the morning.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 5 feet. Wave Detail: East 2 feet at 3 seconds and
northeast 2 feet at 13 seconds. Scattered showers in the evening,
then numerous showers after midnight.
.MONDAY...East winds 5 to 10 knots. Seas 3 to 5 feet. Wave Detail:
East 2 feet at 4 seconds and east 2 feet at 7 seconds. Numerous
showers, mainly in the morning.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 3 to 5 feet.
Wave Detail: East 2 feet at 7 seconds and northeast 2 feet at
14 seconds. Scattered showers.
.TUESDAY...East winds 5 to 10 knots. Seas 3 to 5 feet. Numerous
showers in the morning.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
.WEDNESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet.
Scattered showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Numerous showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ733-041930-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
242 AM AST Sat Oct 4 2025

.TODAY...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail:
East 1 foot at 8 seconds and northwest 1 foot at 10 seconds.
Scattered showers.
.TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail:
East 1 foot at 8 seconds and northwest 1 foot at 10 seconds.
Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail:
East 2 feet at 3 seconds and east 1 foot at 8 seconds. Scattered
showers in the morning.
.SUNDAY NIGHT...East winds around 10 knots with gusts up to
20 knots. Seas 2 to 4 feet. Wave Detail: East 2 feet at 4 seconds
and east 1 foot at 8 seconds. Scattered showers.
.MONDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail:
East 2 feet at 4 seconds and northeast 2 feet at 13 seconds.
Scattered showers in the morning.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: East 2 feet at 4 seconds and northeast 2 feet at 13 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet.
.WEDNESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet.
Scattered showers in the afternoon.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.
Scattered showers.

$$

AMZ735-041930-
Coastal Waters of Southern Puerto Rico out 10 NM-
242 AM AST Sat Oct 4 2025

.TODAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
East 1 foot at 3 seconds and east 1 foot at 8 seconds. Scattered
showers.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 3 seconds and east 1 foot at 8 seconds.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
East 1 foot at 3 seconds and east 1 foot at 7 seconds. Scattered
showers in the morning.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 4 seconds. Scattered showers.
.MONDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
East 2 feet at 4 seconds. Scattered showers in the afternoon.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 4 seconds. Scattered showers.
.TUESDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
Scattered showers.

$$

AMZ741-041930-
Mona Passage Southward to 17N-
242 AM AST Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...East winds 5 to 10 knots. Seas 5 to 8 feet. Wave Detail:
North 6 feet at 13 seconds. Isolated showers.
.TONIGHT...East winds 5 to 10 knots. Seas 5 to 8 feet. Wave Detail:
North 6 feet at 12 seconds. Scattered showers after midnight.
.SUNDAY...East winds 5 to 10 knots. Seas 5 to 8 feet. Wave Detail:
North 6 feet at 12 seconds. Scattered showers in the morning.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 5 to 7 feet. Wave
Detail: North 6 feet at 12 seconds and east 1 foot at 8 seconds.
Scattered showers.
.MONDAY...East winds 5 to 10 knots. Seas 5 to 7 feet. Wave Detail:
North 6 feet at 12 seconds and east 2 feet at 4 seconds.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 6 feet. Wave
Detail: North 6 feet at 13 seconds and east 2 feet at 4 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas 4 to 6 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 3 to 4 feet. Scattered showers.

$$

AMZ742-041930-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
242 AM AST Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...East winds around 5 knots, becoming north this afternoon.
Seas 5 to 7 feet. Wave Detail: North 6 feet at 13 seconds. Scattered
showers early this afternoon. Numerous showers with isolated
thunderstorms late.
.TONIGHT...East winds around 5 knots. Seas 5 to 8 feet. Wave Detail:
North 7 feet at 13 seconds.
.SUNDAY...Northeast winds around 5 knots. Seas 5 to 7 feet. Wave
Detail: North 7 feet at 12 seconds. Numerous showers in the
afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 7 feet. Wave
Detail: North 6 feet at 12 seconds.
.MONDAY...Northeast winds around 5 knots. Seas 4 to 7 feet. Wave
Detail: North 6 feet at 12 seconds. Numerous showers in the
afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 6 feet. Wave
Detail: Northeast 6 feet at 13 seconds.
.TUESDAY...Northeast winds around 5 knots. Seas 4 to 6 feet.
Numerous showers in the afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet.
Numerous showers.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
Scattered showers in the afternoon.
.WEDNESDAY NIGHT...East winds around 5 knots. Seas 2 to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ745-041930-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
242 AM AST Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...East winds around 5 knots, becoming southwest early this
afternoon, then becoming northeast late. Seas 5 to 7 feet. Wave
Detail: Northwest 5 feet at 11 seconds. Isolated showers late this
morning and early afternoon. Scattered showers with isolated
thunderstorms late.
.TONIGHT...East winds around 5 knots. Seas 5 to 7 feet. Wave Detail:
Northwest 5 feet at 11 seconds.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 4 to 6 feet. Wave
Detail: Northwest 4 feet at 11 seconds. Scattered showers in the
afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave
Detail: Northwest 4 feet at 12 seconds and south 1 foot at
3 seconds.
.MONDAY...East winds 5 to 10 knots, becoming northeast in the
afternoon. Seas 2 to 4 feet. Wave Detail: Northwest 3 feet at
12 seconds and south 1 foot at 3 seconds. Numerous showers in the
afternoon.
.MONDAY NIGHT...Northeast winds around 5 knots. Seas 2 to 4 feet.
Wave Detail: Northwest 3 feet at 13 seconds and south 1 foot at
4 seconds.
.TUESDAY...East winds around 5 knots, becoming south in the
afternoon. Seas 2 to 4 feet. Scattered showers in the afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$