413
FZCA52 TJSJ 032009
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
409 PM AST Fri Oct 3 2025

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-040845-
409 PM AST Fri Oct 3 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 arriving into the region will spread across
the local Atlantic waters and passages through the weekend,
deteriorating marine and coastal conditions through early next week.
Small Craft Advisories are in effect for the Atlantic offshore and
coastal waters, including the Mona and Anegada Passages.

$$

AMZ711-040845-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
409 PM AST Fri Oct 3 2025

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

.TONIGHT...East winds 5 to 10 knots. Seas 8 to 9 feet. Wave Detail:
Northeast 9 feet at 12 seconds and north 8 feet at 14 seconds.
Scattered showers early this evening. Isolated showers late this
evening, then scattered showers after midnight.
.SATURDAY...East winds 5 to 10 knots. Seas 8 to 10 feet. Wave
Detail: Northeast 10 feet at 12 seconds. Scattered showers.
.SATURDAY NIGHT...East winds around 10 knots. Seas 8 to 9 feet. Wave
Detail: North 8 feet at 13 seconds. Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas 8 to 9 feet. Wave Detail:
Northeast 8 feet at 13 seconds. Scattered showers.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 7 to 8 feet. Wave Detail: East 8 feet at 13 seconds. Numerous
showers.
.MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
7 to 8 feet. Wave Detail: East 8 feet at 14 seconds. Scattered
showers.
.MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 6 to 7 feet. Scattered showers.
.TUESDAY...East winds around 10 knots. Seas 5 to 6 feet. Numerous
showers, mainly in the morning.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet.
Scattered showers.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas around 4 feet.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas around 4 feet.

$$

AMZ712-040845-
Coastal Waters of Northern Puerto Rico out 10 NM-
409 PM AST Fri Oct 3 2025

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

.TONIGHT...East winds 5 to 10 knots, becoming southeast after
midnight. Seas 8 to 9 feet. Wave Detail: North 9 feet at 8 seconds
and north 8 feet at 14 seconds. Isolated showers this evening.
Scattered showers after midnight, then numerous showers late.
.SATURDAY...East winds 5 to 10 knots. Seas 8 to 9 feet. Wave Detail:
North 9 feet at 13 seconds. Scattered showers.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 8 to 9 feet.
Wave Detail: North 7 feet at 12 seconds. Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas around 8 feet. Wave Detail:
North 7 feet at 13 seconds. Scattered showers in the morning.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 7 feet. Wave
Detail: Northeast 7 feet at 13 seconds. 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 7 feet. Wave
Detail: Northeast 7 feet at 14 seconds. Scattered showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 6 to 7 feet.
.TUESDAY...East winds 5 to 10 knots. Seas 5 to 6 feet. Scattered
showers.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 4 to 5 feet.
.WEDNESDAY...Southeast winds 5 to 10 knots, becoming east 10 to
15 knots in the afternoon. Seas around 4 feet.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet.

$$

AMZ716-040845-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
409 PM AST Fri Oct 3 2025

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

.TONIGHT...East winds 5 to 10 knots. Seas 6 to 9 feet. Wave Detail:
North 8 feet at 14 seconds. Scattered showers this evening, then
numerous showers after midnight. Scattered showers late.
.SATURDAY...East winds 5 to 10 knots. Seas 6 to 8 feet. Wave Detail:
North 8 feet at 13 seconds. Numerous showers.
.SATURDAY NIGHT...East winds around 10 knots. Seas 6 to 8 feet. Wave
Detail: East 6 feet at 9 seconds and north 6 feet at 12 seconds.
Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas 5 to 8 feet. Wave Detail:
East 7 feet at 12 seconds. Scattered showers.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 5 to 7 feet. Wave Detail: East 7 feet at 12 seconds. Numerous
showers.
.MONDAY...East winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail:
East 7 feet at 13 seconds. Numerous showers.
.MONDAY NIGHT...East winds around 10 knots. Seas 5 to 7 feet.
Numerous showers.
.TUESDAY...Southeast winds around 10 knots. Seas 4 to 6 feet.
Numerous showers in the morning.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Scattered showers in the afternoon.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.
Scattered showers.

$$

AMZ723-040845-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
409 PM AST Fri Oct 3 2025

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

.TONIGHT...East winds 5 to 10 knots. Seas 4 to 6 feet. Wave Detail:
Northeast 3 feet at 12 seconds and northwest 1 foot at 10 seconds.
Scattered showers.
.SATURDAY...East winds 5 to 10 knots. Seas 5 to 7 feet. Wave Detail:
North 7 feet at 12 seconds and northwest 1 foot at 10 seconds.
Scattered showers in the morning, then numerous showers in the
afternoon.
.SATURDAY NIGHT...East winds around 10 knots. Seas 5 to 8 feet. Wave
Detail: East 6 feet at 13 seconds and northwest 1 foot at
11 seconds. Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas 6 to 7 feet. Wave Detail:
East 6 feet at 13 seconds and northwest 1 foot at 9 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 6 feet at 13 seconds.
Numerous showers.
.MONDAY...East winds around 10 knots. Seas 5 to 7 feet. Wave Detail:
Northeast 6 feet at 14 seconds. Numerous showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 5 to 6 feet. Numerous
showers.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 4 to 5 feet.
.TUESDAY NIGHT...East winds around 10 knots. Seas around 4 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas around 4 feet.
Scattered showers in the morning, then numerous showers in the
afternoon.
.WEDNESDAY NIGHT...East winds around 15 knots. Seas around 4 feet.

$$

AMZ726-040845-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
409 PM AST Fri Oct 3 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...East winds 5 to 10 knots. Seas 4 to 6 feet. Wave Detail:
East 2 feet at 7 seconds and northwest 2 feet at 11 seconds.
Scattered showers this evening, then numerous showers after
midnight.
.SATURDAY...East winds 5 to 10 knots. Seas 3 to 5 feet. Wave Detail:
East 2 feet at 7 seconds and northwest 2 feet at 9 seconds. Numerous
showers.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 6 feet. Wave
Detail: East 3 feet at 6 seconds and northwest 1 foot at 8 seconds.
Scattered showers.
.SUNDAY...East winds 5 to 10 knots. Seas 4 to 6 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 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Numerous
showers.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail:
East 4 feet at 6 seconds. Numerous showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet. Numerous
showers.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet. Numerous
showers in the morning.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas 2 to 4 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Scattered showers in the afternoon.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Numerous showers.

$$

AMZ733-040845-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
409 PM AST Fri Oct 3 2025

.TONIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
East 2 feet at 7 seconds. Isolated showers early this evening, then
scattered showers late this evening and early morning. Numerous
showers late.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail:
East 2 feet at 7 seconds and northwest 1 foot at 10 seconds.
Numerous showers, mainly in the morning.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 2 feet at 7 seconds and northwest 1 foot at 10 seconds.
Scattered showers after midnight.
.SUNDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail:
East 3 feet at 6 seconds and northwest 1 foot at 10 seconds.
Scattered showers in the morning.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 4 feet. Wave Detail: East 3 feet at 6 seconds and
northwest 1 foot at 10 seconds. Numerous showers.
.MONDAY...East winds around 10 knots. Seas 3 to 4 feet. Wave Detail:
East 3 feet at 6 seconds. Scattered showers in the morning.
.MONDAY NIGHT...East winds 5 to 10 knots with gusts up to 20 knots.
Seas around 3 feet. Scattered showers.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Numerous
showers in the afternoon.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.
Numerous showers.

$$

AMZ735-040845-
Coastal Waters of Southern Puerto Rico out 10 NM-
409 PM AST Fri Oct 3 2025

.TONIGHT...Northeast winds around 5 knots, increasing to 5 to
10 knots after midnight. Seas around 2 feet. Wave Detail: East
1 foot at 5 seconds. Scattered showers with isolated thunderstorms
this evening, then numerous showers after midnight. Isolated showers
late.
.SATURDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 5 seconds.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 4 seconds. Scattered showers after midnight.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 4 seconds.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 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 5 seconds. Scattered showers in the afternoon.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ741-040845-
Mona Passage Southward to 17N-
409 PM AST Fri Oct 3 2025

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

.TONIGHT...East winds 5 to 10 knots. Seas 5 to 7 feet. Wave Detail:
North 7 feet at 13 seconds. Isolated showers early this evening.
Isolated thunderstorms late this evening. Scattered showers late
this evening and overnight.
.SATURDAY...East winds 5 to 10 knots. Seas 5 to 7 feet. Wave Detail:
North 7 feet at 13 seconds.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 5 to 8 feet. Wave
Detail: North 5 feet at 13 seconds. Scattered showers in the
evening.
.SUNDAY...East winds 5 to 10 knots. Seas 5 to 8 feet. Wave Detail:
Northeast 6 feet at 12 seconds.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 5 to 7 feet. Wave
Detail: Northeast 6 feet at 12 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots in the afternoon. Seas 5 to 7 feet.
Wave Detail: Northeast 6 feet at 12 seconds.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 6 feet.
Scattered showers.
.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 around 10 knots. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.
Scattered showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ742-040845-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
409 PM AST Fri Oct 3 2025

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

.TONIGHT...East winds 5 to 10 knots. Seas 5 to 7 feet. Wave Detail:
North 6 feet at 13 seconds. Isolated showers this evening.
.SATURDAY...Northeast winds around 5 knots. Seas 5 to 7 feet. Wave
Detail: North 6 feet at 13 seconds. Scattered showers in the
afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 5 to 7 feet. Wave
Detail: North 6 feet at 13 seconds. Scattered showers in the
evening.
.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 6 feet. Wave
Detail: North 6 feet at 12 seconds.
.MONDAY...East winds 5 to 10 knots, becoming northeast in the
afternoon. Seas 4 to 6 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.
.TUESDAY...East winds 5 to 10 knots, diminishing to around 5 knots
in the afternoon. Seas 4 to 6 feet. Scattered showers in the
afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
.WEDNESDAY NIGHT...East winds around 5 knots. Seas 2 to 4 feet.

$$

AMZ745-040845-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
409 PM AST Fri Oct 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...Northeast winds 5 to 10 knots, becoming east late this
evening and overnight. Seas 5 to 7 feet. Wave Detail: Northwest
5 feet at 11 seconds. Scattered showers this evening.
.SATURDAY...East winds around 5 knots. Seas 4 to 6 feet. Wave
Detail: Northwest 5 feet at 11 seconds.
.SATURDAY NIGHT...East winds around 5 knots. Seas 4 to 6 feet. Wave
Detail: Northwest 5 feet at 11 seconds. Scattered showers in the
evening.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet. Wave
Detail: Northwest 4 feet at 11 seconds. Scattered showers in the
afternoon.
.SUNDAY NIGHT...East winds around 5 knots. Seas 2 to 4 feet. Wave
Detail: Northwest 3 feet at 12 seconds and southeast 1 foot at
4 seconds.
.MONDAY...Southeast winds around 5 knots. Seas 2 to 4 feet. Wave
Detail: Northwest 3 feet at 12 seconds and south 1 foot at
4 seconds. Numerous showers in the afternoon.
.MONDAY NIGHT...East winds around 5 knots. Seas 2 to 4 feet.
.TUESDAY...East winds around 5 knots, becoming southeast in the
afternoon. Seas 2 to 4 feet.
.TUESDAY NIGHT...East winds around 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.

$$