fzca52 tjsj 310808
cwfsju
expires:202601312115;;838846

coastal waters forecast
national weather service san juan pr
408 am ast sat jan 31 2026

puerto rico and the u.s. virgin islands waters


amz712-312115-
coastal waters of northern puerto rico out 10 nm-
408 am ast sat jan 31 2026

...small craft should exercise caution...

.today...southeast winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 25 knots late this morning and afternoon. seas 5 to
6 feet. wave detail: north 4 feet at 11 seconds and east 3 feet at
5 seconds. isolated showers this morning, then scattered showers
with isolated thunderstorms this afternoon. 
.tonight...southeast winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. gusts up to 25 knots. seas 5 to 6 feet.
wave detail: east 4 feet at 6 seconds and north 4 feet at
11 seconds. scattered showers. 
.sunday...southeast winds 5 to 10 knots, becoming south with gusts
up to 20 knots in the afternoon. seas 4 to 5 feet. wave detail: east
3 feet at 7 seconds and north 3 feet at 11 seconds. scattered
showers in the morning, then numerous showers in the afternoon. 
.sunday night...southwest winds 5 to 10 knots, becoming northwest
10 to 15 knots with gusts up to 25 knots after midnight. seas around
4 feet. wave detail: east 3 feet at 7 seconds and north 2 feet at
10 seconds. numerous showers. 
.monday...north winds 15 to 20 knots with gusts up to 25 knots. seas
4 to 6 feet, building to 6 to 9 feet in the afternoon. wave detail:
north 5 feet at 7 seconds and east 2 feet at 8 seconds, becoming
northwest 9 feet at 14 seconds and northwest 5 feet at 6 seconds.
numerous showers. 
.monday night...north winds 15 to 20 knots with gusts up to
30 knots. seas 9 to 11 feet. wave detail: northwest 11 feet at
13 seconds and east 2 feet at 8 seconds. numerous showers. 
.tuesday...northeast winds 15 to 20 knots. seas 10 to 11 feet.
numerous showers. 
.tuesday night...northeast winds 15 to 20 knots. seas 9 to 10 feet,
subsiding to 8 feet after midnight. numerous showers. 
.wednesday...northeast winds 15 to 20 knots, becoming east 10 to
15 knots in the afternoon. seas around 8 feet. numerous showers,
mainly in the morning. 
.wednesday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 7 to 8 feet. scattered showers. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 310808
cwfsju
expires:202601312115;;838851

coastal waters forecast
national weather service san juan pr
408 am ast sat jan 31 2026

puerto rico and the u.s. virgin islands waters


amz735-312115-
coastal waters of southern puerto rico out 10 nm-
408 am ast sat jan 31 2026

.today...east winds 10 to 15 knots with gusts up to 20 knots. seas
3 to 4 feet. wave detail: southeast 4 feet at 6 seconds. isolated
thunderstorms. scattered showers early this morning, then showers
late this morning and afternoon. 
.tonight...southeast winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 5 feet. wave detail: southeast 4 feet at 6 seconds.
showers.
.sunday...southeast winds 10 to 15 knots with gusts up to 20 knots.
seas 4 to 5 feet. wave detail: southeast 4 feet at 7 seconds.
scattered showers. 
.sunday night...southeast winds 5 to 10 knots, becoming east with
gusts up to 20 knots after midnight. seas 3 to 4 feet. wave detail:
southeast 4 feet at 7 seconds. scattered showers. 
.monday...northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. gusts up to 30 knots. seas 3 to 4 feet.
wave detail: southeast 4 feet at 7 seconds. scattered showers. 
.monday night...north winds 15 to 20 knots with gusts up to
30 knots. seas 3 to 4 feet. wave detail: southeast 3 feet at
7 seconds. scattered showers. 
.tuesday...northeast winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. seas 3 to 5 feet. scattered showers. 
.tuesday night...northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. seas 3 to 5 feet. scattered showers. 
.wednesday...east winds 10 to 15 knots. seas 3 to 5 feet. scattered
showers in the morning, then numerous showers in the afternoon. 
.wednesday night...east winds 5 to 10 knots. seas 3 to 5 feet.
numerous showers. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 310808
cwfsju
expires:202601312115;;838852

coastal waters forecast
national weather service san juan pr
408 am ast sat jan 31 2026

puerto rico and the u.s. virgin islands waters


amz741-312115-
mona passage southward to 17n-
408 am ast sat jan 31 2026

.today...southeast winds 10 to 15 knots with gusts up to 25 knots.
seas 4 to 5 feet. wave detail: southeast 4 feet at 5 seconds and
north 3 feet at 9 seconds. isolated thunderstorms. scattered showers
early this morning, then numerous showers late this morning and
afternoon. 
.tonight...southeast winds 10 to 15 knots with gusts up to 25 knots.
seas 5 to 6 feet. wave detail: east 4 feet at 7 seconds and north
3 feet at 10 seconds. numerous showers. 
.sunday...southeast winds 10 to 15 knots with gusts up to 20 knots.
seas 5 to 6 feet. wave detail: east 4 feet at 7 seconds and north
3 feet at 10 seconds. numerous showers. 
.sunday night...southeast winds 5 to 10 knots with gusts up to
20 knots, becoming north 15 to 20 knots with gusts up to 30 knots
after midnight. seas 4 to 5 feet. wave detail: east 4 feet at
7 seconds and north 4 feet at 9 seconds. showers.
.monday...north winds 20 to 25 knots with gusts up to 35 knots. seas
6 to 7 feet, building to 7 to 9 feet in the afternoon. wave detail:
northeast 7 feet at 7 seconds and southeast 4 feet at 7 seconds,
becoming north 8 feet at 14 seconds and northeast 7 feet at
7 seconds. numerous showers, mainly in the morning. 
.monday night...north winds around 25 knots with gusts up to
35 knots. seas 8 to 10 feet. wave detail: north 9 feet at 13 seconds
and northeast 8 feet at 7 seconds. numerous showers. 
.tuesday...northeast winds 20 to 25 knots. seas 9 to 11 feet.
scattered showers. 
.tuesday night...northeast winds 20 to 25 knots, diminishing to
15 to 20 knots after midnight. seas 9 to 11 feet, subsiding to
8 feet after midnight. scattered showers. 
.wednesday...northeast winds 15 to 20 knots, becoming east 10 to
15 knots in the afternoon. seas 7 to 8 feet. scattered showers in
the morning, then numerous showers in the afternoon. 
.wednesday night...east winds 10 to 15 knots. seas 6 to 8 feet.
numerous showers. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 310808
cwfsju
expires:202601312115;;838853

coastal waters forecast
national weather service san juan pr
408 am ast sat jan 31 2026

puerto rico and the u.s. virgin islands waters


amz742-312115-
coastal waters of northwestern puerto rico out 10 nm-
408 am ast sat jan 31 2026

...small craft should exercise caution...

.today...east winds 5 to 10 knots, becoming southeast 15 to 20 knots
with gusts up to 25 knots. seas 3 to 5 feet. wave detail: south
3 feet at 4 seconds and north 3 feet at 9 seconds. isolated showers
this morning, then scattered showers with isolated thunderstorms
this afternoon. 
.tonight...southeast winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 4 to 6 feet. wave detail: south 4 feet
at 4 seconds and north 4 feet at 10 seconds. scattered showers in
the evening, then numerous showers after midnight. 
.sunday...south winds 10 to 15 knots with gusts up to 20 knots. seas
3 to 5 feet. wave detail: south 3 feet at 4 seconds and north 3 feet
at 10 seconds. scattered showers in the morning, then numerous
showers in the afternoon. 
.sunday night...south winds 5 to 10 knots, becoming north 15 to
20 knots with gusts up to 25 knots after midnight. seas 2 to 4 feet.
wave detail: north 3 feet at 10 seconds and south 2 feet at
7 seconds. showers.
.monday...north winds 15 to 20 knots with gusts up to 30 knots. seas
5 to 7 feet. wave detail: north 7 feet at 8 seconds and south 2 feet
at 7 seconds. numerous showers. 
.monday night...north winds 20 to 25 knots with gusts up to
30 knots. seas 7 to 10 feet, building to 9 to 11 feet after
midnight. wave detail: northwest 10 feet at 13 seconds and northwest
7 feet at 8 seconds, becoming northwest 11 feet at 13 seconds.
scattered showers. 
.tuesday...northeast winds 20 to 25 knots. seas 8 to 11 feet.
scattered showers. 
.tuesday night...northeast winds 20 to 25 knots, diminishing to
15 to 20 knots after midnight. seas 8 to 11 feet, subsiding to 7 to
8 feet after midnight. scattered showers. 
.wednesday...northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. seas 5 to 8 feet. scattered showers. 
.wednesday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 5 to 8 feet. scattered showers. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 310808
cwfsju
expires:202601312115;;838854

coastal waters forecast
national weather service san juan pr
408 am ast sat jan 31 2026

puerto rico and the u.s. virgin islands waters


amz745-312115-
coastal waters of southwestern puerto rico out 10 nm-
408 am ast sat jan 31 2026

.today...southeast winds 10 to 15 knots with gusts up to 25 knots.
seas 2 to 4 feet. wave detail: southeast 3 feet at 4 seconds and
north 3 feet at 9 seconds. isolated thunderstorms. scattered showers
until late afternoon, then numerous showers late. 
.tonight...southeast winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 5 feet. wave detail: southeast 4 feet at 4 seconds and
northwest 3 feet at 11 seconds. numerous showers. 
.sunday...southeast winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 5 feet. wave detail: south 3 feet at 6 seconds and
northwest 3 feet at 10 seconds. scattered showers in the morning,
then numerous showers in the afternoon. 
.sunday night...southeast winds 5 to 10 knots, becoming northeast
10 to 15 knots with gusts up to 25 knots after midnight. seas 2 to
4 feet. wave detail: northwest 3 feet at 10 seconds and south 2 feet
at 7 seconds. numerous showers. 
.monday...north winds 15 to 20 knots with gusts up to 30 knots. seas
4 to 6 feet. wave detail: northwest 6 feet at 7 seconds and east
3 feet at 7 seconds. numerous showers. 
.monday night...north winds 20 to 25 knots with gusts up to
35 knots. seas 5 to 8 feet, building to 7 to 10 feet after midnight.
wave detail: northwest 8 feet at 14 seconds and northwest 6 feet at
8 seconds, becoming northwest 9 feet at 13 seconds and southeast
1 foot at 7 seconds. scattered showers. 
.tuesday...northeast winds 20 to 25 knots. seas 6 to 9 feet.
scattered showers. 
.tuesday night...northeast winds 15 to 20 knots. seas 6 to 9 feet.
scattered showers. 
.wednesday...northeast winds 10 to 15 knots, becoming east 5 to
10 knots in the afternoon. seas 5 to 8 feet. scattered showers in
the morning, then numerous showers in the afternoon. 
.wednesday night...east winds 5 to 10 knots. seas 4 to 6 feet.
scattered showers. 

winds and seas higher in and near thunderstorms.

$$