fzca52 tjsj 312120
cwfsju
expires:202602011000;;871896

coastal waters forecast
national weather service san juan pr
520 pm ast sat jan 31 2026

puerto rico and the u.s. virgin islands waters


amz712-011000-
coastal waters of northern puerto rico out 10 nm-
520 pm ast sat jan 31 2026

...small craft should exercise caution...

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

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 312120
cwfsju
expires:202602011000;;871901

coastal waters forecast
national weather service san juan pr
520 pm ast sat jan 31 2026

puerto rico and the u.s. virgin islands waters


amz735-011000-
coastal waters of southern puerto rico out 10 nm-
520 pm ast sat jan 31 2026

.tonight...southeast winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots with gusts up to 20 knots after
midnight. seas 3 to 4 feet. wave detail: southeast 4 feet at
6 seconds. isolated thunderstorms. showers.
.sunday...southeast winds 5 to 10 knots with gusts up to 20 knots.
seas 3 to 4 feet. wave detail: southeast 4 feet at 7 seconds.
scattered showers. 
.sunday night...southeast winds around 5 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 with 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
35 knots. seas 3 to 5 feet. wave detail: northeast 4 feet at
6 seconds. scattered showers. 
.tuesday...northeast winds 15 to 20 knots with gusts up to 35 knots.
seas 3 to 5 feet. wave detail: northeast 4 feet at 5 seconds and
northwest 1 foot at 8 seconds. scattered showers. 
.tuesday night...northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. gusts up to 30 knots. seas 3 to
5 feet. scattered showers. 
.wednesday...east winds 10 to 15 knots. seas 2 to 4 feet. scattered
showers in the morning, then numerous showers in the afternoon. 
.wednesday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 4 feet. numerous showers. 
.thursday...east winds 5 to 10 knots. seas 2 to 3 feet. scattered
showers. 
.thursday night...southeast winds 5 to 10 knots. seas 2 to 3 feet. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 312120
cwfsju
expires:202602011000;;871902

coastal waters forecast
national weather service san juan pr
520 pm ast sat jan 31 2026

puerto rico and the u.s. virgin islands waters


amz741-011000-
mona passage southward to 17n-
520 pm ast sat jan 31 2026

...small craft should exercise caution...

.tonight...southeast winds 10 to 15 knots with gusts up to 20 knots.
seas 4 to 6 feet. wave detail: southeast 4 feet at 6 seconds and
north 4 feet at 11 seconds. numerous showers with isolated
thunderstorms. 
.sunday...southeast winds 10 to 15 knots with gusts up to 20 knots,
becoming south 5 to 10 knots in the afternoon. seas 4 to 5 feet.
wave detail: southeast 4 feet at 7 seconds and north 3 feet at
10 seconds. numerous showers. 
.sunday night...south 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: southeast 4 feet at
7 seconds and north 4 feet at 9 seconds. showers.
.monday...north winds 20 to 25 knots with gusts up to 30 knots. seas
5 to 7 feet. wave detail: north 7 feet at 13 seconds and east 4 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 12 seconds
and east 8 feet at 7 seconds. numerous showers. 
.tuesday...northeast winds 20 to 25 knots with gusts up to 35 knots.
seas 9 to 11 feet. wave detail: northeast 9 feet at 7 seconds and
north 9 feet at 14 seconds. scattered showers. 
.tuesday night...northeast winds 20 to 25 knots with gusts up to
35 knots. seas 8 to 10 feet. scattered showers. 
.wednesday...east winds 15 to 20 knots. seas 6 to 8 feet. scattered
showers in the morning, then numerous showers in the afternoon. 
.wednesday night...east winds 10 to 15 knots. seas 5 to 7 feet.
numerous showers. 
.thursday...southeast winds 10 to 15 knots. seas 5 to 6 feet.
scattered showers. 
.thursday night...southeast winds 10 to 15 knots. seas 4 to 5 feet. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 312120
cwfsju
expires:202602011000;;871903

coastal waters forecast
national weather service san juan pr
520 pm ast sat jan 31 2026

puerto rico and the u.s. virgin islands waters


amz742-011000-
coastal waters of northwestern puerto rico out 10 nm-
520 pm ast sat jan 31 2026

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

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 312120
cwfsju
expires:202602011000;;871904

coastal waters forecast
national weather service san juan pr
520 pm ast sat jan 31 2026

puerto rico and the u.s. virgin islands waters


amz745-011000-
coastal waters of southwestern puerto rico out 10 nm-
520 pm ast sat jan 31 2026

.tonight...southeast winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 4 feet. wave detail: southeast 3 feet at 4 seconds and
northwest 3 feet at 11 seconds. numerous showers with isolated
thunderstorms. 
.sunday...southeast winds 10 to 15 knots with gusts up to 20 knots,
becoming south 5 to 10 knots in the afternoon. seas 3 to 4 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...south winds around 5 knots, becoming north 10 to
15 knots with gusts up to 20 knots after midnight. seas 2 to 4 feet.
wave detail: south 3 feet at 7 seconds and northwest 3 feet at
10 seconds. numerous showers. 
.monday...north winds 15 to 20 knots, increasing to 20 to 25 knots
in the afternoon. seas 4 to 6 feet. wave detail: northwest 6 feet at
8 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 6 to 9 feet. wave detail: northwest 9 feet at
12 seconds and southeast 2 feet at 7 seconds. scattered showers. 
.tuesday...northeast winds 20 to 25 knots with gusts up to 35 knots.
seas 6 to 9 feet. wave detail: northwest 9 feet at 12 seconds and
southeast 1 foot at 6 seconds. scattered showers. 
.tuesday night...northeast winds 15 to 20 knots with gusts up to
30 knots. seas 6 to 9 feet. scattered showers. 
.wednesday...east winds 10 to 15 knots. seas 5 to 7 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.
scattered showers. 
.thursday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. seas 3 to 5 feet. scattered showers in
the morning, then numerous showers in the afternoon. 
.thursday night...southeast winds 10 to 15 knots. seas 2 to 4 feet.
scattered showers. 

winds and seas higher in and near thunderstorms.

$$