(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/17/2026 3:46 PM America/Puerto_Rico.
Valid through 8/18/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 171946
cwfsju
expires:202608180815;;896431
coastal waters forecast
national weather service san juan pr
346 pm ast mon aug 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-
346 pm ast mon aug 17 2026
.tonight...east winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots after midnight. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: northeast 4 feet at 8 seconds.
isolated showers.
.tuesday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 3 to 4 feet, occasionally to 5 feet. wave
detail: east 4 feet at 8 seconds.
.tuesday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 3 to 4 feet, occasionally to 5 feet. wave detail:
east 4 feet at 8 seconds.
.wednesday...east winds 10 to 15 knots with gusts up to 20 knots.
seas around 3 feet. wave detail: east 3 feet at 8 seconds.
.wednesday night...southeast winds 5 to 10 knots with gusts up to
20 knots. seas around 3 feet. wave detail: east 3 feet at 8 seconds.
scattered showers.
.thursday...east winds 10 to 15 knots with gusts up to 20 knots,
increasing to 15 to 20 knots with gusts up to 30 knots in the
afternoon. seas 3 to 4 feet, occasionally to 5 feet. wave detail:
east 4 feet at 5 seconds and northeast 4 feet at 8 seconds. numerous
showers in the morning.
.thursday night...east winds 15 to 20 knots with gusts up to
30 knots, diminishing to 10 to 15 knots with gusts up to 20 knots
after midnight. seas 4 to 5 feet, occasionally to 6 feet.
.friday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 4 to 5 feet, occasionally to 6 feet.
.friday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 4 to 5 feet, occasionally to 6 feet.
.saturday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 4 to 5 feet, occasionally to 6 feet.
.saturday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 4 to 5 feet, occasionally to 6 feet.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/17/2026 3:46 PM America/Puerto_Rico.
Valid through 8/18/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 171946
cwfsju
expires:202608180815;;896436
coastal waters forecast
national weather service san juan pr
346 pm ast mon aug 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-
346 pm ast mon aug 17 2026
.tonight...east winds 10 to 15 knots, diminishing to 5 to 10 knots
after midnight, then increasing to 10 to 15 knots late. seas 3 to
4 feet, occasionally to 5 feet. wave detail: east 4 feet at
7 seconds. isolated showers late this evening and overnight.
.tuesday...east winds 10 to 15 knots with gusts up to 25 knots. seas
2 to 3 feet. wave detail: east 3 feet at 6 seconds.
.tuesday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 3 feet. wave detail: east 3 feet at 6 seconds.
scattered showers after midnight.
.wednesday...southeast winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 3 feet. wave detail: east 3 feet at 7 seconds.
scattered showers in the morning.
.wednesday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 3 feet. wave detail: east 3 feet at 5 seconds
and east 1 foot at 8 seconds.
.thursday...east winds 15 to 20 knots with gusts up to 25 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet
at 5 seconds and east 1 foot at 8 seconds. scattered showers in the
morning.
.thursday night...east winds 15 to 20 knots with gusts up to
25 knots. seas 3 to 5 feet, occasionally to 6 feet.
.friday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 3 to 5 feet, occasionally to 6 feet.
.friday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers.
.saturday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 3 to 4 feet, occasionally to 5 feet.
scattered showers in the afternoon.
.saturday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 3 to 4 feet, occasionally to 5 feet.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/17/2026 3:46 PM America/Puerto_Rico.
Valid through 8/18/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 171946
cwfsju
expires:202608180815;;896437
coastal waters forecast
national weather service san juan pr
346 pm ast mon aug 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-
346 pm ast mon aug 17 2026
.tonight...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 2 feet at 10 seconds. isolated showers until
early morning, then scattered showers late.
.tuesday...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 northeast 1 foot at 9 seconds.
.tuesday 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 7 seconds.
.wednesday...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. scattered showers in the morning.
.wednesday night...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 5 seconds and northeast 1 foot at 8 seconds.
.thursday...east winds 15 to 20 knots with gusts up to 25 knots.
seas 3 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet
at 7 seconds. scattered showers.
.thursday night...east winds 15 to 20 knots with gusts up to
25 knots. seas 3 to 5 feet, occasionally to 6 feet.
.friday...east winds 15 to 20 knots. seas 4 to 6 feet, occasionally
to 8 feet. scattered showers in the afternoon.
.friday night...east winds 15 to 20 knots. seas 4 to 6 feet,
occasionally to 8 feet.
.saturday...east winds 15 to 20 knots. seas 4 to 6 feet,
occasionally to 8 feet. scattered showers.
.saturday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. seas 4 to 5 feet, occasionally to 6 feet.
scattered showers.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/17/2026 3:46 PM America/Puerto_Rico.
Valid through 8/18/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 171946
cwfsju
expires:202608180815;;896438
coastal waters forecast
national weather service san juan pr
346 pm ast mon aug 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-
346 pm ast mon aug 17 2026
.tonight...east winds 10 to 15 knots. seas 2 to 3 feet. wave detail:
northeast 2 feet at 6 seconds and northeast 2 feet at 9 seconds.
isolated showers this evening.
.tuesday...northeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: east 2 feet at 5 seconds and northeast 2 feet at 9 seconds.
scattered showers in the afternoon.
.tuesday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 2 to 3 feet. wave detail: southeast 2 feet at
5 seconds and northeast 2 feet at 9 seconds.
.wednesday...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: northeast 2 feet at 5 seconds and northeast 1 foot at
8 seconds. numerous showers in the afternoon.
.wednesday night...southeast winds 5 to 10 knots. seas around
2 feet. wave detail: south 2 feet at 4 seconds and northeast 1 foot
at 8 seconds. scattered showers.
.thursday...east winds around 5 knots, becoming northeast with gusts
up to 20 knots in the afternoon. seas 2 to 3 feet. wave detail:
south 2 feet at 5 seconds and north 1 foot at 7 seconds. scattered
showers in the afternoon.
.thursday night...east winds 5 to 10 knots with gusts up to
20 knots. seas 2 to 3 feet. scattered showers.
.friday...northeast winds 5 to 10 knots. seas 2 to 3 feet. scattered
showers in the afternoon.
.friday night...east winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet.
.saturday...east winds 10 to 15 knots, becoming northeast 5 to
10 knots in the afternoon. seas 2 to 3 feet. scattered showers in
the afternoon.
.saturday night...east winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet. scattered showers.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/17/2026 3:46 PM America/Puerto_Rico.
Valid through 8/18/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 171946
cwfsju
expires:202608180815;;896439
coastal waters forecast
national weather service san juan pr
346 pm ast mon aug 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-
346 pm ast mon aug 17 2026
.tonight...east winds 5 to 10 knots, diminishing to around 5 knots
after midnight. seas around 2 feet. wave detail: southeast 2 feet at
6 seconds and north 1 foot at 5 seconds. isolated showers this
evening.
.tuesday...east winds around 5 knots, becoming south in the
afternoon. seas around 2 feet. wave detail: north 1 foot at
4 seconds and southeast 1 foot at 5 seconds.
.tuesday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 1 foot at 5 seconds.
.wednesday...southeast winds 10 to 15 knots with gusts up to
20 knots. seas around 2 feet. wave detail: southeast 2 feet at
3 seconds and north 1 foot at 4 seconds. scattered showers in the
afternoon.
.wednesday night...east winds 10 to 15 knots with gusts up to
20 knots. seas around 2 feet. wave detail: southeast 2 feet at
4 seconds.
.thursday...east winds 10 to 15 knots with gusts up to 25 knots.
seas 2 to 3 feet. wave detail: southeast 2 feet at 4 seconds and
north 1 foot at 6 seconds. scattered showers in the afternoon.
.thursday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 2 to 3 feet.
.friday...east winds 5 to 10 knots, becoming southeast in the
afternoon. seas 2 to 3 feet.
.friday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.saturday...east winds 5 to 10 knots, becoming southeast 15 to
20 knots in the afternoon. seas 2 to 3 feet. scattered showers in
the afternoon.
.saturday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet. scattered showers.
$$
|
