fzca52 tjsj 171949
cwfsju
expires:202604180815;;539395

coastal waters forecast
national weather service san juan pr
349 pm ast fri apr 17 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. 


amz712-180815-
coastal waters of northern puerto rico out 10 nm-
349 pm ast fri apr 17 2026

.tonight...east winds 10 to 15 knots with gusts up to 20 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: northeast 4 feet
at 8 seconds and northeast 2 feet at 13 seconds. numerous showers
this evening, then isolated showers after midnight. scattered
showers late. 
.saturday...east winds 10 to 15 knots with gusts up to 25 knots.
seas 4 to 5 feet, occasionally to 6 feet. wave detail: northeast
5 feet at 8 seconds and northeast 1 foot at 12 seconds. scattered
showers in the morning. 
.saturday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 4 to 5 feet, occasionally to 6 feet. wave detail:
northeast 5 feet at 8 seconds and northeast 2 feet at 13 seconds. 
.sunday...east winds 10 to 15 knots with gusts up to 25 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: northeast 4 feet
at 8 seconds and northeast 2 feet at 12 seconds. 
.sunday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 4 to 5 feet, occasionally to 6 feet. wave detail: northeast
4 feet at 8 seconds and northeast 2 feet at 12 seconds. 
.monday...east winds 10 to 15 knots with gusts up to 20 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: northeast 4 feet
at 8 seconds and northeast 2 feet at 12 seconds. scattered showers
in the afternoon. 
.monday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 4 to 5 feet, occasionally to 6 feet. 
.tuesday...east winds around 10 knots. seas around 4 feet,
occasionally to 5 feet. scattered showers in the morning. 
.tuesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. 
.wednesday...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. 
.wednesday night...east winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet. 

$$

fzca52 tjsj 171949
cwfsju
expires:202604180815;;539400

coastal waters forecast
national weather service san juan pr
349 pm ast fri apr 17 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. 


amz735-180815-
coastal waters of southern puerto rico out 10 nm-
349 pm ast fri apr 17 2026

.tonight...east winds 10 to 15 knots with gusts up to 25 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: southeast 4 feet
at 6 seconds. isolated showers early this evening, then numerous
showers late this evening. scattered showers after midnight. 
.saturday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: southeast
3 feet at 6 seconds. scattered showers. 
.saturday 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. 
.sunday...east winds 10 to 15 knots with gusts up to 20 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: southeast 3 feet
at 6 seconds. 
.sunday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 4 feet, occasionally to 5 feet. wave detail: east 3 feet
at 6 seconds. 
.monday...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 4 feet, occasionally to 5 feet. wave detail: southeast 3 feet
at 6 seconds. scattered showers in the afternoon. 
.monday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 4 feet, occasionally to 5 feet. 
.tuesday...east winds 5 to 10 knots. seas 2 to 3 feet. 
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet.
scattered showers. 
.wednesday...east winds 5 to 10 knots, increasing to 10 to 15 knots
in the afternoon. seas 2 to 3 feet. 
.wednesday night...east winds 10 to 15 knots, becoming northeast
5 to 10 knots after midnight. seas 2 to 3 feet. 

$$

fzca52 tjsj 171949
cwfsju
expires:202604180815;;539401

coastal waters forecast
national weather service san juan pr
349 pm ast fri apr 17 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. 


amz741-180815-
mona passage southward to 17n-
349 pm ast fri apr 17 2026

.tonight...east winds 10 to 15 knots with gusts up to 25 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: east 4 feet at
7 seconds and north 1 foot at 10 seconds. scattered showers. 
.saturday...east winds 10 to 15 knots with gusts up to 20 knots.
seas around 4 feet, occasionally to 5 feet. wave detail: east 4 feet
at 7 seconds and northeast 1 foot at 12 seconds. 
.saturday night...east winds 10 to 15 knots with gusts up to
25 knots. seas around 4 feet, occasionally to 5 feet. wave detail:
southeast 4 feet at 7 seconds and northeast 3 feet at 8 seconds.
scattered showers in the evening. 
.sunday...east winds 10 to 15 knots with gusts up to 20 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet at
7 seconds and northeast 1 foot at 12 seconds. scattered showers in
the afternoon. 
.sunday 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 4 feet
at 6 seconds and north 1 foot at 12 seconds. scattered showers. 
.monday...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 and northeast 1 foot at 12 seconds. 
.monday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 4 feet, occasionally to 5 feet. scattered showers. 
.tuesday...east winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. seas 3 to 4 feet, occasionally to 5 feet.
scattered showers in the morning. 
.tuesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers. 
.wednesday...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers in the afternoon. 
.wednesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. 

$$

fzca52 tjsj 171949
cwfsju
expires:202604180815;;539402

coastal waters forecast
national weather service san juan pr
349 pm ast fri apr 17 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. 


amz742-180815-
coastal waters of northwestern puerto rico out 10 nm-
349 pm ast fri apr 17 2026

.tonight...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: northeast 3 feet at 8 seconds and south
1 foot at 6 seconds. scattered showers early this evening, then
isolated showers late this evening and early morning. 
.saturday...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: northeast 3 feet at 8 seconds and south
1 foot at 7 seconds. scattered showers in the afternoon. 
.saturday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 2 to 4 feet, occasionally to 5 feet. wave detail:
northeast 3 feet at 7 seconds and south 1 foot at 7 seconds.
scattered showers in the evening. 
.sunday...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: northeast 3 feet at 7 seconds and northeast
2 feet at 12 seconds. scattered showers. 
.sunday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 4 feet, occasionally to 5 feet.
wave detail: northeast 3 feet at 6 seconds and northeast 2 feet at
12 seconds. 
.monday...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: northeast 3 feet at 6 seconds and northeast
2 feet at 12 seconds. scattered showers in the afternoon. 
.monday night...east winds 5 to 10 knots with gusts up to 20 knots.
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 in the afternoon. 
.tuesday night...east winds 10 to 15 knots. seas 2 to 3 feet.
scattered showers. 
.wednesday...east winds 10 to 15 knots, becoming northeast in the
afternoon. seas 2 to 3 feet. scattered showers in the afternoon. 
.wednesday night...east winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet. 

$$

fzca52 tjsj 171949
cwfsju
expires:202604180815;;539403

coastal waters forecast
national weather service san juan pr
349 pm ast fri apr 17 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. 


amz745-180815-
coastal waters of southwestern puerto rico out 10 nm-
349 pm ast fri apr 17 2026

.tonight...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
southeast 2 feet at 6 seconds and north 1 foot at 8 seconds.
scattered showers early this evening, then isolated showers late
this evening and overnight. 
.saturday...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 6 seconds and north 1 foot at 8 seconds.
scattered showers in the afternoon. 
.saturday night...east winds around 5 knots. seas around 2 feet.
wave detail: southeast 2 feet at 7 seconds and north 1 foot at
7 seconds. scattered showers in the evening. 
.sunday...east winds around 5 knots. seas around 2 feet. wave
detail: south 1 foot at 6 seconds and north 1 foot at 7 seconds.
scattered showers. 
.sunday night...east winds around 5 knots. seas around 2 feet. wave
detail: southeast 1 foot at 6 seconds and north 1 foot at 7 seconds.
.monday...east winds 5 to 10 knots. seas around 2 feet. wave detail:
north 1 foot at 6 seconds and southeast 1 foot at 6 seconds.
scattered showers in the afternoon. 
.monday night...east winds 5 to 10 knots. seas around 2 feet.
scattered showers. 
.tuesday...southeast winds around 5 knots. seas around 2 feet.
scattered showers in the afternoon. 
.tuesday night...east winds 5 to 10 knots. seas around 2 feet.
scattered showers. 
.wednesday...east winds 5 to 10 knots, becoming south in the
afternoon. seas around 2 feet. 
.wednesday night...northeast winds 5 to 10 knots. seas around
2 feet. 

$$