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(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/17/2026 3:51 AM America/Puerto_Rico.
Valid through 8/17/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 170751
cwfsju
expires:202608172015;;336150
coastal waters forecast
national weather service san juan pr
351 am 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.
amz712-172015-
coastal waters of northern puerto rico out 10 nm-
351 am ast mon aug 17 2026
.today...east winds 10 to 15 knots with gusts up to 25 knots. seas
around 4 feet, occasionally to 5 feet. wave detail: northeast 4 feet
at 8 seconds. isolated showers until late afternoon.
.tonight...east winds 10 to 15 knots with gusts up to 20 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: northeast 4 feet
at 8 seconds.
.tuesday...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.
.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 3 to 4 feet, occasionally to 5 feet. wave detail: east 3 feet
at 8 seconds. scattered showers in the morning.
.wednesday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas around 3 feet. wave detail: east
3 feet at 8 seconds. scattered showers.
.thursday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 3 to 5 feet, occasionally to 6 feet. numerous
showers in the morning.
.thursday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. 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 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 3:51 AM America/Puerto_Rico.
Valid through 8/17/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 170751
cwfsju
expires:202608172015;;336155
coastal waters forecast
national weather service san juan pr
351 am 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.
amz735-172015-
coastal waters of southern puerto rico out 10 nm-
351 am ast mon aug 17 2026
.today...east winds 10 to 15 knots with gusts up to 25 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: southeast 4 feet
at 7 seconds. isolated showers until late afternoon.
.tonight...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
6 seconds.
.tuesday...east winds 10 to 15 knots with gusts up to 25 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: east 3 feet at
6 seconds.
.tuesday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 2 to 4 feet, occasionally to 5 feet. wave detail:
east 3 feet at 6 seconds.
.wednesday...east 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: southeast 3 feet at
5 seconds.
.thursday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 2 to 4 feet, occasionally to 5 feet.
scattered showers in the morning.
.thursday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. 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 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 3 to 5 feet, occasionally to 6 feet.
scattered showers.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/17/2026 3:51 AM America/Puerto_Rico.
Valid through 8/17/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 170751
cwfsju
expires:202608172015;;336156
coastal waters forecast
national weather service san juan pr
351 am 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.
amz741-172015-
mona passage southward to 17n-
351 am ast mon aug 17 2026
.today...east winds 10 to 15 knots with gusts up to 25 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet at
7 seconds. isolated showers.
.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 5 feet at
7 seconds and northeast 2 feet at 9 seconds.
.tuesday...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 and northeast 1 foot at 10 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:
northeast 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.
.wednesday night...east winds 10 to 15 knots with gusts up to
20 knots. seas around 3 feet. wave detail: east 3 feet at 7 seconds.
.thursday...east winds 15 to 20 knots. seas 3 to 5 feet,
occasionally to 6 feet. scattered showers.
.thursday night...east winds 15 to 20 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.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/17/2026 3:51 AM America/Puerto_Rico.
Valid through 8/17/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 170751
cwfsju
expires:202608172015;;336157
coastal waters forecast
national weather service san juan pr
351 am 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.
amz742-172015-
coastal waters of northwestern puerto rico out 10 nm-
351 am ast mon aug 17 2026
.today...east winds 10 to 15 knots with gusts up to 20 knots,
becoming northeast 5 to 10 knots with gusts up to 20 knots late this
morning and afternoon. seas 2 to 4 feet, occasionally to 5 feet.
wave detail: northeast 3 feet at 7 seconds and southeast 1 foot at
6 seconds. scattered showers late.
.tonight...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 4 feet, occasionally to 5 feet. wave detail: east 2 feet at
6 seconds and northeast 2 feet at 9 seconds.
.tuesday...northeast winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots in the afternoon. 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
20 knots. seas 2 to 3 feet. wave detail: east 2 feet at 5 seconds
and northeast 2 feet at 9 seconds.
.wednesday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots in the afternoon. seas 2 to
3 feet. wave detail: east 2 feet at 5 seconds and northeast 1 foot
at 8 seconds. numerous showers in the afternoon.
.wednesday night...east 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 5 to 10 knots. seas 2 to 3 feet. scattered
showers in the afternoon.
.thursday night...east winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. scattered showers.
.friday...east winds 5 to 10 knots, becoming northeast 10 to
15 knots in the afternoon. seas 2 to 4 feet, occasionally to 5 feet.
scattered showers in the afternoon.
.friday night...east winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/17/2026 3:51 AM America/Puerto_Rico.
Valid through 8/17/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 170751
cwfsju
expires:202608172015;;336158
coastal waters forecast
national weather service san juan pr
351 am 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.
amz745-172015-
coastal waters of southwestern puerto rico out 10 nm-
351 am ast mon aug 17 2026
.today...east winds 5 to 10 knots, becoming southeast early this
afternoon, then diminishing to around 5 knots late. seas around
2 feet. wave detail: southeast 2 feet at 6 seconds. isolated showers
late.
.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 6 seconds.
.tuesday...east winds around 5 knots, becoming north in the
afternoon. seas around 2 feet. wave detail: south 2 feet at
5 seconds. scattered showers in the afternoon.
.tuesday night...east winds 5 to 10 knots, diminishing to around
5 knots after midnight. seas around 2 feet. wave detail: southeast
1 foot at 5 seconds.
.wednesday...southeast winds 10 to 15 knots with gusts up to
25 knots. seas around 2 feet. wave detail: southeast 2 feet at
3 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, increasing to 15 to 20 knots
in the afternoon. seas 2 to 3 feet. 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.
$$
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