779
FZCA52 TJSJ 091451
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
1051 AM AST Thu Oct 9 2025

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-100315-
1051 AM AST Thu Oct 9 2025

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
Tropical Storm Jerry is currently over the central Atlantic and
forecast to pass well northeast of the local islands by late tonight
into Friday. Although no direct tropical storm impacts are expected,
indirect marine impacts will spread across the regional waters by
late tonight night into the weekend. Swells generated by Jerry will
lead to hazardous seas up to 8 to 9 feet, particularly across the
offshore Atlantic waters and the Anegada Passage, where a Small Craft
Advisory will be in effect from late tonight through late Friday
night. Mariners should exercise caution, as conditions are expected
to deteriorate late tonight through early in the weekend before
gradually improving.

$$

AMZ711-100315-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
1051 AM AST Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE
FRIDAY NIGHT...

.REST OF TODAY...East winds 5 to 10 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 7 seconds and northeast 3 feet at 9 seconds.
Isolated showers.
.TONIGHT...Northeast winds 5 to 10 knots. Seas 4 to 7 feet. Wave
Detail: Northeast 4 feet at 8 seconds and northeast 3 feet at 13
seconds. Scattered showers in the evening.
.FRIDAY...Southwest winds 5 to 10 knots. Seas 6 to 9 feet. Wave
Detail: East 8 feet at 12 seconds and northeast 3 feet at 7 seconds.
Scattered showers early in the morning. Numerous showers late.
.FRIDAY NIGHT...South winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. Seas 5 to 8 feet.
Wave Detail: East 8 feet at 12 seconds and northeast 3 feet at
11 seconds. Numerous showers.
.SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 4 to 6 feet. Wave Detail: East 6 feet at 11 seconds and
northeast 4 feet at 10 seconds. 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
5 feet. Wave Detail: Northeast 4 feet at 10 seconds and east 3 feet
at 8 seconds. Scattered showers.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet. Scattered
showers.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet.
Scattered showers.
.MONDAY...East winds 5 to 10 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,
diminishing to 5 to 10 knots after midnight. Seas 4 to 5 feet.
Scattered showers.

$$

AMZ712-100315-
Coastal Waters of Northern Puerto Rico out 10 NM-
1051 AM AST Thu Oct 9 2025

.REST OF TODAY...East 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.
Isolated showers late this morning, then scattered showers this
afternoon.
.TONIGHT...East winds around 5 knots, becoming south after midnight.
Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds.
Scattered showers in the late evening and early morning.
.FRIDAY...Southwest winds around 5 knots, becoming west in the
afternoon. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at
8 seconds and northeast 3 feet at 12 seconds. Scattered showers in
the late morning and afternoon.
.FRIDAY NIGHT...South winds around 5 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 3 feet at 8 seconds and northeast 3 feet at
11 seconds. Scattered showers in the evening, then numerous showers
after midnight.
.SATURDAY...South winds around 5 knots, becoming southeast in the
afternoon. Seas around 4 feet. Wave Detail: Northeast 3 feet at
10 seconds and east 3 feet at 12 seconds. Showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, diminishing to
around 5 knots after midnight. Seas 3 to 4 feet. Wave Detail:
Northeast 3 feet at 9 seconds.
.SUNDAY...Southeast winds around 5 knots, becoming east in the
afternoon. Seas 3 to 4 feet. Numerous showers in the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet.
Scattered showers.
.MONDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Seas 4 to 5 feet. Scattered showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas around 4 feet.
Scattered showers.

$$

AMZ716-100315-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
1051 AM AST Thu Oct 9 2025

.REST OF TODAY...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave
Detail: Northeast 3 feet at 9 seconds and east 2 feet at 7 seconds.
Scattered showers.
.TONIGHT...Northeast winds 5 to 10 knots, becoming north after
midnight. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at
8 seconds and northeast 1 foot at 13 seconds. Scattered showers.
.FRIDAY...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots in the afternoon. Seas 3 to
4 feet. Wave Detail: Northeast 3 feet at 8 seconds and northeast
3 feet at 12 seconds. Scattered showers in the morning. Numerous
showers in the afternoon.
.FRIDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at
11 seconds and east 3 feet at 12 seconds. Numerous showers.
.SATURDAY...South 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
south 2 feet at 3 seconds. Numerous showers.
.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. Wave Detail: Southeast 2 feet at 3 seconds and east 2 feet
at 8 seconds. Scattered showers.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Numerous
showers.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Numerous
showers.
.MONDAY...East winds around 10 knots. Seas 3 to 4 feet.
.MONDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet.

$$

AMZ723-100315-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
1051 AM AST Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE
FRIDAY NIGHT...

.REST OF TODAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 6 seconds and northeast 2 feet at 9 seconds.
Isolated showers late this morning, then scattered showers this
afternoon.
.TONIGHT...North winds 5 to 10 knots, becoming west after midnight.
Seas 3 to 4 feet, building to 5 to 7 feet after midnight. Wave
Detail: East 4 feet at 13 seconds and east 3 feet at 8 seconds.
Scattered showers in the evening, then numerous showers after
midnight.
.FRIDAY...Southwest winds 5 to 10 knots, becoming south 10 to
15 knots with gusts up to 20 knots in the afternoon. Seas 5 to
7 feet. Wave Detail: East 5 feet at 12 seconds and south 2 feet at
3 seconds. Numerous showers.
.FRIDAY NIGHT...South winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 5 to 7 feet. Wave Detail: Southeast
6 feet at 7 seconds and south 4 feet at 4 seconds. Numerous showers.
.SATURDAY...Southeast winds 10 to 15 knots with gusts up to
25 knots. Seas 5 to 6 feet. Wave Detail: Southeast 6 feet at
7 seconds and northeast 2 feet at 10 seconds. Numerous showers.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots, becoming east 5 to 10 knots after midnight. Seas 3 to
4 feet. Wave Detail: Southeast 4 feet at 7 seconds and east 1 foot
at 9 seconds. Numerous showers.
.SUNDAY...East winds 5 to 10 knots. Seas around 3 feet. Numerous
showers.
.SUNDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet.
Numerous showers.
.MONDAY...East winds 5 to 10 knots. Seas 3 to 4 feet.
.MONDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet.

$$

AMZ726-100315-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
1051 AM AST Thu Oct 9 2025

.REST OF TODAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 7 seconds and southeast 1 foot at 4 seconds.
Scattered showers.
.TONIGHT...Northeast winds 5 to 10 knots, becoming northwest after
midnight. Seas 2 to 4 feet. Wave Detail: East 2 feet at 7 seconds
and east 1 foot at 12 seconds. Scattered showers.
.FRIDAY...Southwest winds 5 to 10 knots, becoming south 10 to
15 knots with gusts up to 20 knots in the afternoon. Seas 3 to
5 feet. Wave Detail: East 4 feet at 12 seconds and east 2 feet at
7 seconds. Scattered showers in the morning. Numerous showers in the
afternoon.
.FRIDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 12 seconds
and south 2 feet at 3 seconds. Numerous showers.
.SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds and
south 2 feet at 4 seconds. Numerous showers.
.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. Wave Detail: Southeast 4 feet at 7 seconds. Scattered
showers.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Scattered
showers in the morning.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
Scattered showers.
.MONDAY...East winds 5 to 10 knots. Seas 2 to 4 feet.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.

$$

AMZ733-100315-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
1051 AM AST Thu Oct 9 2025

.REST OF TODAY...East winds 5 to 10 knots, diminishing to around
5 knots this afternoon. Seas 2 to 3 feet. Wave Detail: Southeast
2 feet at 4 seconds and east 2 feet at 7 seconds. Isolated showers
late this morning, then scattered showers early this afternoon.
Isolated showers late.
.TONIGHT...North winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
East 2 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
morning, then numerous showers in the afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. Seas 2 to 4 feet.
Wave Detail: East 3 feet at 12 seconds and east 2 feet at 7 seconds.
.SATURDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at
7 seconds and east 3 feet at 12 seconds. Numerous showers.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 5 feet.
Wave Detail: Southeast 4 feet at 7 seconds and northeast 1 foot at
10 seconds. Numerous 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 2 to 3 feet.
Scattered showers.
.MONDAY...East winds 5 to 10 knots. Seas 2 to 3 feet.
.MONDAY 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.

$$

AMZ735-100315-
Coastal Waters of Southern Puerto Rico out 10 NM-
1051 AM AST Thu Oct 9 2025

.REST OF TODAY...East winds 5 to 10 knots, becoming southeast this
afternoon. Seas around 2 feet. Wave Detail: Southeast 1 foot at
4 seconds and east 1 foot at 7 seconds. Isolated showers.
.TONIGHT...North winds around 5 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 6 seconds. Scattered showers late in the
evening.
.FRIDAY...East winds around 5 knots, becoming south in the
afternoon. Seas around 2 feet. Wave Detail: East 1 foot at
6 seconds. Scattered showers in the late morning and afternoon.
.FRIDAY NIGHT...South winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 13 seconds and southeast 1 foot at 5 seconds.
Scattered showers early in the evening. Numerous showers after
midnight.
.SATURDAY...Southeast winds around 5 knots, increasing to 5 to
10 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: Southeast
2 feet at 8 seconds and east 2 feet at 12 seconds. Numerous showers
in the morning.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
Wave Detail: Southeast 4 feet at 8 seconds. 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.
.MONDAY...East winds 5 to 10 knots. Seas around 2 feet. Scattered
showers in the morning.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.

$$

AMZ741-100315-
Mona Passage Southward to 17N-
1051 AM AST Thu Oct 9 2025

.REST OF TODAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 7 seconds and north 2 feet at 9 seconds.
Isolated showers.
.TONIGHT...Northeast winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 8 seconds and north 2 feet at 9 seconds.
.FRIDAY...Southeast winds around 5 knots, becoming south in the
afternoon. Seas 2 to 3 feet. Wave Detail: North 2 feet at 8 seconds
and northeast 2 feet at 8 seconds. Scattered showers late in the
morning.
.FRIDAY NIGHT...South winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 2 feet at 8 seconds and north 2 feet at
11 seconds. Scattered showers in the evening.
.SATURDAY...Southeast winds around 5 knots, becoming south in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds
and north 2 feet at 10 seconds. Numerous showers in the morning.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 8 seconds and north 2 feet at
10 seconds.
.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 5 to 10 knots. Seas 3 to 4 feet. Scattered
showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet.

$$

AMZ742-100315-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
1051 AM AST Thu Oct 9 2025

.REST OF TODAY...Southwest winds around 5 knots, becoming west this
afternoon. Seas 2 to 3 feet. Wave Detail: North 3 feet at 9 seconds
and south 1 foot at 3 seconds. Scattered showers with isolated
thunderstorms this afternoon.
.TONIGHT...East winds around 5 knots. Seas 2 to 3 feet. Wave Detail:
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. Scattered showers late.
.FRIDAY NIGHT...South winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 2 feet at 11 seconds.
.SATURDAY...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
11 seconds and south 1 foot at 3 seconds.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 2 feet at 10 seconds and south 1 foot at
3 seconds.
.SUNDAY...Southeast winds 5 to 10 knots, diminishing to around
5 knots in the afternoon. Seas 2 to 3 feet. Numerous showers in the
afternoon.
.SUNDAY NIGHT...East winds around 5 knots. Seas 2 to 4 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.

Winds and seas higher in and near thunderstorms.

$$

AMZ745-100315-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
1051 AM AST Thu Oct 9 2025

.REST OF TODAY...Southeast winds around 5 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 3 seconds and north 1 foot at
9 seconds. Isolated showers early this afternoon. Scattered showers
late.
.TONIGHT...Northeast 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, becoming southwest in the
afternoon. Seas around 2 feet. Wave Detail: Southeast 1 foot at
4 seconds. Scattered showers in the afternoon.
.FRIDAY NIGHT...South winds around 5 knots in the evening, becoming
light and variable. Seas 1 foot or less. Wave Detail: Southeast
1 foot at 4 seconds and north 1 foot at 9 seconds.
.SATURDAY...Southeast winds around 5 knots, becoming south in the
afternoon. Seas 1 foot or less, then around 2 feet in the afternoon.
Wave Detail: South 1 foot at 2 seconds and northwest 1 foot at
9 seconds. Scattered showers in the morning.
.SATURDAY NIGHT...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.
.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 2 to 3 feet.
Scattered showers.
.MONDAY...East winds around 5 knots. Seas 2 to 3 feet. Scattered
showers in the afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots, diminishing to around
5 knots after midnight. Seas 2 to 3 feet. Scattered showers.

$$