fzca52 tjsj 181930
cwfsju
expires:202509190815;;207202

coastal waters forecast
national weather service san juan pr
330 pm ast thu sep 18 2025

puerto rico and the u.s. virgin islands waters


amz712-190815-
coastal waters of northern puerto rico out 10 nm-
330 pm ast thu sep 18 2025

.tonight...southeast winds 5 to 10 knots. seas 3 to 4 feet. wave
detail: northeast 4 feet at 8 seconds and north 1 foot at 8 seconds.
isolated thunderstorms. 
.friday...southeast winds 5 to 10 knots. seas 3 to 4 feet. wave
detail: northeast 3 feet at 8 seconds and north 1 foot at 8 seconds.
scattered showers in the afternoon. 
.friday night...southeast winds 5 to 10 knots. seas around 3 feet.
wave detail: northeast 3 feet at 8 seconds and northeast 2 feet at
14 seconds. numerous showers. 
.saturday...southeast winds around 5 knots, becoming east in the
afternoon. seas 3 to 4 feet. wave detail: northeast 4 feet at
13 seconds and northeast 2 feet at 8 seconds. numerous showers in
the afternoon. 
.saturday night...southeast winds around 5 knots. seas around
4 feet. wave detail: northeast 4 feet at 12 seconds. numerous
showers, mainly in the evening. 
.sunday...southeast winds 5 to 10 knots, becoming east 10 to
15 knots with gusts up to 20 knots in the afternoon. seas around
4 feet. wave detail: northeast 4 feet at 11 seconds. 
.sunday night...east winds 5 to 10 knots. seas 3 to 4 feet.
scattered showers. 
.monday...east winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. seas 3 to 4 feet. scattered showers. 
.monday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 3 to 4 feet. 
.tuesday...east winds 10 to 15 knots. seas 3 to 4 feet. scattered
showers in the afternoon. 
.tuesday night...east winds 10 to 15 knots. seas around 4 feet. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 181930
cwfsju
expires:202509190815;;207207

coastal waters forecast
national weather service san juan pr
330 pm ast thu sep 18 2025

puerto rico and the u.s. virgin islands waters


amz735-190815-
coastal waters of southern puerto rico out 10 nm-
330 pm ast thu sep 18 2025

.tonight...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
east 2 feet at 8 seconds and southeast 1 foot at 4 seconds. isolated
thunderstorms. scattered showers this evening, then numerous showers
after midnight. 
.friday...southeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: east 2 feet at 8 seconds and southeast 1 foot at 5 seconds.
scattered showers in the morning. 
.friday night...east winds 5 to 10 knots, diminishing to around
5 knots after midnight. seas around 2 feet. wave detail: east 2 feet
at 8 seconds and southeast 1 foot at 5 seconds. scattered showers
after midnight. 
.saturday...southeast winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 1 foot at 5 seconds and east 1 foot at 8 seconds. 
.saturday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 1 foot at 5 seconds. 
.sunday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
southeast 1 foot at 4 seconds and east 1 foot at 10 seconds. 
.sunday night...east winds 5 to 10 knots. seas 2 to 3 feet.
scattered showers. 
.monday...east winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. seas 2 to 3 feet. 
.monday night...east winds 10 to 15 knots. seas 2 to 3 feet. 
.tuesday...east winds 10 to 15 knots. seas 2 to 3 feet. scattered
showers in the morning. 
.tuesday night...east winds 10 to 15 knots. seas 3 to 4 feet. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 181930
cwfsju
expires:202509190815;;207208

coastal waters forecast
national weather service san juan pr
330 pm ast thu sep 18 2025

puerto rico and the u.s. virgin islands waters


amz741-190815-
mona passage southward to 17n-
330 pm ast thu sep 18 2025

.tonight...southeast winds 10 to 15 knots. seas around 3 feet. wave
detail: northeast 2 feet at 8 seconds and north 1 foot at 8 seconds.
numerous showers with isolated thunderstorms until early morning,
then scattered showers late. 
.friday...southeast winds 10 to 15 knots. seas around 3 feet. wave
detail: northeast 3 feet at 8 seconds and north 1 foot at 8 seconds.
scattered showers. 
.friday night...southeast winds 5 to 10 knots. seas 2 to 3 feet.
wave detail: east 2 feet at 8 seconds and southeast 1 foot at
4 seconds. scattered showers after midnight. 
.saturday...southeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: northeast 2 feet at 8 seconds and southeast 1 foot at
5 seconds. scattered showers in the morning. 
.saturday night...southeast winds 5 to 10 knots. seas 2 to 3 feet.
wave detail: east 2 feet at 8 seconds and northeast 2 feet at
13 seconds. 
.sunday...southeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 2 feet at 4 seconds and northeast 2 feet at
12 seconds. scattered showers in the morning. 
.sunday night...east winds 5 to 10 knots. seas around 3 feet.
scattered showers. 
.monday...east winds 10 to 15 knots. seas around 3 feet. 
.monday night...east winds 10 to 15 knots. seas 3 to 4 feet. 
.tuesday...east winds 10 to 15 knots. seas 3 to 4 feet. scattered
showers in the morning. 
.tuesday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. seas 3 to 4 feet. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 181930
cwfsju
expires:202509190815;;207209

coastal waters forecast
national weather service san juan pr
330 pm ast thu sep 18 2025

puerto rico and the u.s. virgin islands waters


amz742-190815-
coastal waters of northwestern puerto rico out 10 nm-
330 pm ast thu sep 18 2025

.tonight...southeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: northeast 2 feet at 7 seconds and south 1 foot at 4 seconds.
.friday...southeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: north 2 feet at 7 seconds and south 1 foot at 3 seconds.
showers in the afternoon. 
.friday night...southeast winds 5 to 10 knots. seas 2 to 3 feet.
wave detail: north 2 feet at 7 seconds and south 1 foot at
3 seconds. scattered showers in the evening. 
.saturday...south winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: north 2 feet at 14 seconds and south 1 foot at 3 seconds.
scattered showers in the afternoon. 
.saturday night...southeast winds 5 to 10 knots. seas 2 to 3 feet.
wave detail: north 2 feet at 13 seconds and south 1 foot at
3 seconds. scattered showers in the evening. 
.sunday...southeast winds around 5 knots. seas 2 to 3 feet. wave
detail: northeast 2 feet at 12 seconds and south 1 foot at
3 seconds. 
.sunday night...east winds around 5 knots. seas 2 to 3 feet. 
.monday...east 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.
scattered showers. 
.tuesday...east winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. seas 2 to 3 feet. scattered showers in the afternoon.
.tuesday night...east winds 10 to 15 knots. seas 2 to 4 feet. 

$$

fzca52 tjsj 181930
cwfsju
expires:202509190815;;207210

coastal waters forecast
national weather service san juan pr
330 pm ast thu sep 18 2025

puerto rico and the u.s. virgin islands waters


amz745-190815-
coastal waters of southwestern puerto rico out 10 nm-
330 pm ast thu sep 18 2025

.tonight...east winds around 10 knots. seas around 2 feet. wave
detail: southeast 1 foot at 4 seconds and north 1 foot at 8 seconds.
isolated showers. 
.friday...southeast winds 10 to 15 knots. seas around 2 feet. wave
detail: southeast 1 foot at 3 seconds and north 1 foot at 8 seconds.
.friday night...southeast winds 5 to 10 knots. seas around 2 feet.
wave detail: southeast 1 foot at 3 seconds and north 1 foot at
8 seconds. 
.saturday...southeast winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 1 foot at 4 seconds and north 1 foot at 8 seconds.
.saturday night...southeast winds 5 to 10 knots. seas around 2 feet.
wave detail: southeast 1 foot at 4 seconds and north 1 foot at
8 seconds. 
.sunday...southeast winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 1 foot at 4 seconds and north 1 foot at 8 seconds.
.sunday night...east winds 5 to 10 knots. seas around 2 feet. 
.monday...east winds 5 to 10 knots. seas around 2 feet. 
.monday night...east winds 5 to 10 knots. seas around 2 feet. 
.tuesday...east 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. 

$$