fzca52 tjsj 231957
cwfsju
expires:202604240815;;870028

coastal waters forecast
national weather service san juan pr
357 pm ast thu apr 23 2026

puerto rico and the u.s. virgin islands waters  

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz712-240815-
coastal waters of northern puerto rico out 10 nm-
357 pm ast thu apr 23 2026

...small craft advisory in effect until midnight ast tonight...

.tonight...east winds 5 to 10 knots, becoming southeast late. seas
5 to 7 feet, occasionally to 9 feet. wave detail: north 5 feet at
9 seconds and east 2 feet at 8 seconds. isolated showers. 
.friday...east winds 5 to 10 knots. seas around 5 feet, occasionally
to 6 feet. wave detail: north 5 feet at 9 seconds and east 1 foot at
8 seconds. 
.friday night...east winds 5 to 10 knots, becoming southeast after
midnight. seas 4 to 5 feet, occasionally to 6 feet. wave detail:
north 4 feet at 10 seconds and east 1 foot at 8 seconds. scattered
showers. 
.saturday...southeast winds 5 to 10 knots, becoming east 10 to
15 knots in the afternoon. seas 4 to 5 feet, occasionally to 6 feet.
wave detail: north 4 feet at 11 seconds and east 1 foot at
8 seconds. numerous showers in the morning, then showers in the
afternoon. 
.saturday night...southeast winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: north 4 feet at 10 seconds and
east 1 foot at 7 seconds. numerous showers in the evening. 
.sunday...southeast winds around 5 knots, becoming east with gusts
up to 20 knots in the afternoon. seas around 3 feet. wave detail:
northeast 3 feet at 10 seconds and northeast 1 foot at 18 seconds.
numerous showers in the afternoon. 
.sunday night...southeast winds 5 to 10 knots, diminishing to around
5 knots after midnight. seas around 3 feet. 
.monday...southeast winds around 5 knots, becoming east in the
afternoon. seas around 3 feet. scattered showers in the afternoon. 
.monday night...east winds 5 to 10 knots, diminishing to around
5 knots after midnight. seas 3 to 4 feet, occasionally to 5 feet.
scattered showers. 
.tuesday...east winds around 5 knots, increasing to 5 to 10 knots in
the afternoon. seas around 3 feet. scattered showers. 
.tuesday night...east winds around 5 knots. seas around 3 feet.
scattered showers. 

$$

fzca52 tjsj 231957
cwfsju
expires:202604240815;;870033

coastal waters forecast
national weather service san juan pr
357 pm ast thu apr 23 2026

puerto rico and the u.s. virgin islands waters  

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz735-240815-
coastal waters of southern puerto rico out 10 nm-
357 pm ast thu apr 23 2026

.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: east 1 foot at 4 seconds and east 1 foot at 7 seconds.
isolated showers until early morning, then scattered showers late. 
.friday...east winds 5 to 10 knots. seas around 2 feet. wave detail:
east 1 foot at 4 seconds and east 1 foot at 7 seconds. scattered
showers in the afternoon. 
.friday night...southeast winds 5 to 10 knots. seas around 2 feet.
wave detail: east 2 feet at 5 seconds. scattered showers after
midnight. 
.saturday...southeast winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 4 seconds. scattered showers in the
morning. 
.saturday night...southeast winds around 5 knots. seas around
2 feet. wave detail: southeast 1 foot at 4 seconds. scattered
showers after midnight. 
.sunday...southeast winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds. 
.sunday night...east winds 5 to 10 knots. seas around 2 feet. 
.monday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. seas around 2 feet. scattered showers in
the afternoon. 
.monday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 4 feet, occasionally to 5 feet.
scattered showers. 
.tuesday...east winds 5 to 10 knots. seas 2 to 3 feet. scattered
showers. 
.tuesday night...east winds 5 to 10 knots. seas around 2 feet.
scattered showers. 

$$

fzca52 tjsj 231957
cwfsju
expires:202604240815;;870034

coastal waters forecast
national weather service san juan pr
357 pm ast thu apr 23 2026

puerto rico and the u.s. virgin islands waters  

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz741-240815-
mona passage southward to 17n-
357 pm ast thu apr 23 2026

...small craft should exercise caution...

.tonight...east winds 5 to 10 knots. seas 4 to 6 feet, occasionally
to 8 feet. wave detail: north 4 feet at 9 seconds and east 2 feet at
7 seconds. isolated showers early this evening. scattered showers
late this evening, then isolated showers after midnight. 
.friday...southeast winds 5 to 10 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: north 4 feet at 9 seconds and
east 2 feet at 8 seconds. scattered showers in the morning. 
.friday night...southeast winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: north 4 feet at 9 seconds and
southeast 2 feet at 4 seconds. 
.saturday...south 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 10 seconds and southeast 2 feet at 4 seconds. 
.saturday night...southeast winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: north 3 feet at 11 seconds and
southeast 2 feet at 4 seconds. 
.sunday...southeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: north 3 feet at 10 seconds and southeast 2 feet at
6 seconds. 
.sunday night...southeast winds around 10 knots. seas 2 to 3 feet. 
.monday...southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. seas 2 to 3 feet. scattered showers in
the afternoon. 
.monday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers. 
.tuesday...east winds 5 to 10 knots. seas 3 to 4 feet, occasionally
to 5 feet. scattered showers. 
.tuesday night...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers. 

$$

fzca52 tjsj 231957
cwfsju
expires:202604240815;;870035

coastal waters forecast
national weather service san juan pr
357 pm ast thu apr 23 2026

puerto rico and the u.s. virgin islands waters  

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz742-240815-
coastal waters of northwestern puerto rico out 10 nm-
357 pm ast thu apr 23 2026

...small craft advisory in effect until 6 pm ast this evening...

.tonight...northeast winds 5 to 10 knots, becoming southeast after
midnight. seas 4 to 6 feet, occasionally to 8 feet. wave detail:
north 5 feet at 10 seconds. scattered showers, mainly this evening. 
.friday...southeast winds 5 to 10 knots, becoming northwest in the
afternoon. seas 3 to 5 feet, occasionally to 6 feet. wave detail:
north 5 feet at 9 seconds. 
.friday night...east winds 5 to 10 knots, becoming southeast after
midnight. seas 2 to 4 feet, occasionally to 5 feet. wave detail:
north 4 feet at 9 seconds. scattered showers in the evening. 
.saturday...south 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 10 seconds and south 3 feet at 4 seconds. scattered showers in
the afternoon. 
.saturday night...south winds 10 to 15 knots with gusts up to
20 knots, becoming southeast 5 to 10 knots after midnight. seas 2 to
4 feet, occasionally to 5 feet. wave detail: north 4 feet at
11 seconds and south 2 feet at 4 seconds. 
.sunday...southeast winds 5 to 10 knots, becoming south 10 to
15 knots with gusts up to 20 knots in the afternoon. seas 2 to
3 feet. wave detail: north 3 feet at 10 seconds and south 2 feet at
3 seconds. 
.sunday night...southeast winds 5 to 10 knots. seas 2 to 3 feet. 
.monday...southeast winds 5 to 10 knots. seas 2 to 3 feet. scattered
showers in the afternoon. 
.monday night...east winds 5 to 10 knots. seas 2 to 3 feet. 
.tuesday...east winds around 5 knots. seas 2 to 3 feet. numerous
showers in the afternoon. 
.tuesday night...east winds around 5 knots. seas 2 to 3 feet. 

$$

fzca52 tjsj 231957
cwfsju
expires:202604240815;;870036

coastal waters forecast
national weather service san juan pr
357 pm ast thu apr 23 2026

puerto rico and the u.s. virgin islands waters  

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz745-240815-
coastal waters of southwestern puerto rico out 10 nm-
357 pm ast thu apr 23 2026

.tonight...northeast winds 5 to 10 knots, becoming east after
midnight. seas 3 to 5 feet, occasionally to 6 feet. wave detail:
northwest 4 feet at 9 seconds. scattered showers, mainly this
evening. 
.friday...southeast winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: north 3 feet at 9 seconds and
southeast 1 foot at 3 seconds. 
.friday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: north 3 feet at 9 seconds and southeast 1 foot at 3 seconds.
.saturday...south winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: southeast 2 feet at 3 seconds and
north 2 feet at 9 seconds. scattered showers in the morning. 
.saturday night...southeast winds 5 to 10 knots. seas 2 to 3 feet.
wave detail: south 2 feet at 3 seconds and northwest 2 feet at
10 seconds. 
.sunday...southeast winds around 10 knots. seas around 2 feet. wave
detail: south 2 feet at 3 seconds and northwest 1 foot at
10 seconds. 
.sunday night...southeast winds 5 to 10 knots. seas around 2 feet. 
.monday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. seas around 2 feet. scattered showers in
the afternoon. 
.monday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet. 
.tuesday...east winds 5 to 10 knots. seas 2 to 3 feet. scattered
showers. 
.tuesday night...east winds around 5 knots. seas 2 to 3 feet.
scattered showers. 

$$