Coastal Waters Forecast
Issued by NWS San Juan, PR

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974
FZCA52 TJSJ 261504
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
1104 AM AST Thu Sep 26 2024

Puerto Rico and the U.S. Virgin Islands Waters

AMZ700-270415-
1104 AM AST Thu Sep 26 2024

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A weak high pressure ridging over the region will maintain gentle to
moderate easterly winds over the next few days. A northerly swell
will maintain seas to around 4 to 5 feet through the weekend.
Shower and thunderstorm activity will increase from today into
Friday as a tropical wave approaches our region.

$$

AMZ711-270415-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
1104 AM AST Thu Sep 26 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...East winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
East 4 feet at 5 seconds and north 4 feet at 10 seconds. Isolated
showers.
.TONIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots
after midnight. Seas around 5 feet, occasionally to 6 feet. Wave
Detail: East 4 feet at 5 seconds and north 3 feet at 11 seconds.
Scattered showers in the evening, then numerous showers after
midnight.
.FRIDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas
around 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at
5 seconds and north 4 feet at 12 seconds. Scattered showers.
.FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet
at 6 seconds and north 4 feet at 12 seconds. Scattered showers.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet
at 6 seconds and north 4 feet at 11 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
North 4 feet at 11 seconds and east 3 feet at 6 seconds. Scattered
showers in the evening.
.SUNDAY...East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally
to 6 feet.
.SUNDAY NIGHT...East winds around 10 knots. Seas around 4 feet,
occasionally to 5 feet.
.MONDAY...East winds 5 to 10 knots. Seas around 4 feet, occasionally
to 5 feet.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.

$$

AMZ712-270415-
Coastal Waters of Northern Puerto Rico out 10 NM-
1104 AM AST Thu Sep 26 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...East winds 10 to 15 knots, increasing to 15 to
20 knots this afternoon. Seas 4 to 5 feet, occasionally to 6 feet.
Wave Detail: East 4 feet at 5 seconds and north 4 feet at
10 seconds. Isolated showers late this morning, then scattered
showers this afternoon. Isolated thunderstorms late.
.TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots,
diminishing to 5 to 10 knots after midnight. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 5 seconds and
north 4 feet at 10 seconds. Scattered showers in the evening, then
numerous showers after midnight.
.FRIDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas
4 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at
12 seconds and east 3 feet at 6 seconds. Scattered showers.
.FRIDAY NIGHT...East winds 5 to 10 knots with gusts up to 20 knots.
Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet
at 12 seconds and northeast 3 feet at 5 seconds. Scattered showers
in the evening.
.SATURDAY...East winds 10 to 15 knots with gusts up to 25 knots.
Seas around 5 feet, occasionally to 6 feet. Wave Detail: North
4 feet at 11 seconds and northeast 3 feet at 5 seconds.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: North 4 feet at 11 seconds and
northeast 3 feet at 5 seconds.
.SUNDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Seas around 4 feet, occasionally to 5 feet. Scattered
showers in the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 4 feet,
occasionally to 5 feet.
.MONDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally
to 5 feet.
.MONDAY NIGHT...East winds 5 to 10 knots, diminishing to around
5 knots after midnight. Seas around 3 feet, occasionally to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ716-270415-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
1104 AM AST Thu Sep 26 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...East winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
East 3 feet at 4 seconds and north 3 feet at 10 seconds. Scattered
showers. Isolated thunderstorms late.
.TONIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots
after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave
Detail: East 4 feet at 5 seconds and north 3 feet at 10 seconds.
Scattered showers.
.FRIDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas
3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at
5 seconds and north 3 feet at 12 seconds. Numerous showers, mainly
in the morning.
.FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet
at 12 seconds and east 3 feet at 5 seconds. Scattered showers.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet
at 11 seconds and east 3 feet at 5 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: North 4 feet at 11 seconds and
east 3 feet at 5 seconds. Scattered showers in the evening.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Scattered showers in the morning.
.SUNDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.MONDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally
to 5 feet.
.MONDAY NIGHT...Northeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ723-270415-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
1104 AM AST Thu Sep 26 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...East winds 10 to 15 knots, increasing to 15 to
20 knots late. Seas around 4 feet, occasionally to 5 feet. Wave
Detail: East 4 feet at 5 seconds and northeast 2 feet at 11 seconds.
Scattered showers. Isolated thunderstorms late.
.TONIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots
after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave
Detail: East 5 feet at 5 seconds and northeast 2 feet at 12 seconds.
Scattered showers after midnight.
.FRIDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. Seas around 4 feet, occasionally to 5 feet. Wave
Detail: East 4 feet at 6 seconds and north 2 feet at 12 seconds.
Scattered showers.
.FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet
at 6 seconds and north 3 feet at 12 seconds. Scattered showers.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 3 feet
at 5 seconds and north 3 feet at 11 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: North 4 feet at 11 seconds and
east 3 feet at 5 seconds.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet.
.SUNDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.MONDAY...East winds 5 to 10 knots. Seas around 3 feet, occasionally
to 4 feet.
.MONDAY NIGHT...Northeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ726-270415-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
1104 AM AST Thu Sep 26 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...East winds 10 to 15 knots, increasing to 15 to
20 knots late. Seas 2 to 4 feet, occasionally to 5 feet. Wave
Detail: East 3 feet at 5 seconds. Scattered showers. Isolated
thunderstorms late.
.TONIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots
after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: East 3 feet at 5 seconds. Scattered showers after midnight.
.FRIDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave
Detail: East 3 feet at 5 seconds. Numerous showers, mainly in the
morning.
.FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet
at 6 seconds. Scattered showers.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet, occasionally to 5 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 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds.
Scattered showers.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Scattered showers in the morning.
.SUNDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.MONDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally
to 4 feet.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ733-270415-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
1104 AM AST Thu Sep 26 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...East winds 10 to 15 knots, increasing to 15 to
20 knots late. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: East 3 feet at 5 seconds and east 1 foot at 9 seconds.
Isolated showers late this morning, then scattered showers this
afternoon. Isolated thunderstorms late.
.TONIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots
after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: East 4 feet at 5 seconds and east 1 foot at 9 seconds.
Scattered showers after midnight.
.FRIDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: East 4 feet at 6 seconds. Numerous showers. Scattered
thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots.
Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet
at 6 seconds. Scattered showers.
.SATURDAY...East winds 10 to 15 knots with gusts up to 25 knots.
Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet
at 6 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet,
occasionally to 4 feet. Wave Detail: East 3 feet at 5 seconds.
Scattered showers.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally
to 4 feet.
.SUNDAY NIGHT...East winds around 10 knots. Seas around 2 feet.
.MONDAY...East winds 5 to 10 knots. Seas around 2 feet.
.MONDAY NIGHT...Northeast winds around 5 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ735-270415-
Coastal Waters of Southern Puerto Rico out 10 NM-
1104 AM AST Thu Sep 26 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...East winds 10 to 15 knots, increasing to 15 to
20 knots this afternoon. Seas 2 to 3 feet, occasionally to 4 feet.
Wave Detail: East 3 feet at 5 seconds. Isolated showers late this
morning, then scattered showers this afternoon. Isolated
thunderstorms late.
.TONIGHT...East winds 10 to 15 knots, becoming northeast 5 to
10 knots after midnight. Gusts up to 25 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds.
Scattered showers after midnight.
.FRIDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave
Detail: East 3 feet at 6 seconds. Scattered showers.
.FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet
at 6 seconds. Scattered showers in the evening.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet
at 6 seconds.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: East 3 feet at 6 seconds.
Scattered showers in the evening.
.SUNDAY...East winds 5 to 10 knots. Seas around 2 feet.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet.
.MONDAY...East winds 5 to 10 knots. Seas around 2 feet.
.MONDAY NIGHT...Northeast winds around 5 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ741-270415-
Mona Passage Southward to 17N-
1104 AM AST Thu Sep 26 2024

.REST OF TODAY...East winds 10 to 15 knots with gusts up to
20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
East 4 feet at 5 seconds and north 3 feet at 11 seconds. Isolated
showers.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas
4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at
5 seconds and north 3 feet at 10 seconds. Scattered showers.
.FRIDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas
around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at
6 seconds and north 3 feet at 10 seconds. Numerous showers.
.FRIDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet.
Wave Detail: East 4 feet at 6 seconds and north 4 feet at
12 seconds. Scattered showers in the evening.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet
at 6 seconds and north 4 feet at 12 seconds. Scattered showers in
the morning.
.SATURDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots with gusts up to 20 knots after midnight. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: North 4 feet at 11 seconds and
east 3 feet at 6 seconds. Scattered showers.
.SUNDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in
the afternoon. Seas 3 to 4 feet, occasionally to 5 feet.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet.
.MONDAY...East winds 5 to 10 knots, diminishing to around 5 knots in
the afternoon. Seas 2 to 4 feet, occasionally to 5 feet.
.MONDAY NIGHT...Northeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

$$

AMZ742-270415-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
1104 AM AST Thu Sep 26 2024

.REST OF TODAY...Northeast winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 2 feet at 5 seconds.
Scattered showers with isolated thunderstorms this afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet, occasionally
to 6 feet. Wave Detail: North 4 feet at 10 seconds and east 2 feet
at 5 seconds. Scattered showers in the evening.
.FRIDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Gusts up to 25 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: East 3 feet at 6 seconds and north 3 feet at
10 seconds. Showers and scattered thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: North 4 feet at 12 seconds and
northeast 2 feet at 5 seconds. Scattered showers in the evening.
.SATURDAY...East winds 5 to 10 knots with gusts up to 20 knots,
diminishing to around 5 knots in the afternoon. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: North 4 feet at 12 seconds and
east 2 feet at 5 seconds. Scattered showers in the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: North 4 feet at 11 seconds and
east 2 feet at 3 seconds.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Numerous showers in the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet.
.MONDAY...East winds 5 to 10 knots, becoming north in the afternoon.
Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers in the
afternoon.
.MONDAY NIGHT...Northeast winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ745-270415-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
1104 AM AST Thu Sep 26 2024

.REST OF TODAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: South 2 feet at 5 seconds and
northwest 2 feet at 11 seconds. Scattered showers with isolated
thunderstorms this afternoon.
.TONIGHT...East winds 5 to 10 knots, becoming northeast after
midnight. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail:
Southeast 2 feet at 5 seconds and northwest 2 feet at 11 seconds.
Scattered showers in the evening.
.FRIDAY...East winds 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots in the afternoon. Seas 2 to
3 feet, occasionally to 4 feet. Wave Detail: Southeast 2 feet at
6 seconds and north 2 feet at 10 seconds. Scattered showers in the
afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots,
diminishing to around 5 knots after midnight. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 2 feet at 5 seconds
and north 2 feet at 10 seconds. Scattered showers in the evening.
.SATURDAY...East winds 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots in the afternoon. Seas 2 to
3 feet, occasionally to 4 feet. Wave Detail: Southeast 2 feet at
6 seconds and northwest 2 feet at 12 seconds. Scattered showers in
the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet,
occasionally to 4 feet. Wave Detail: Southeast 2 feet at 5 seconds
and northwest 2 feet at 11 seconds.
.SUNDAY...East winds around 5 knots. Seas 2 to 3 feet, occasionally
to 4 feet. Scattered showers in the afternoon.
.SUNDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet,
occasionally to 4 feet.
.MONDAY...Southeast winds around 5 knots, becoming southwest around
5 knots in the afternoon. Seas around 2 feet.
.MONDAY NIGHT...Northeast winds around 5 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$