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(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/17/2026 4:06 AM America/Puerto_Rico.
Valid through 7/17/2026 4:30 PM America/Puerto_Rico.
fzca52 tjsj 170806
cwfsju
expires:202607172030;;109294
coastal waters forecast
national weather service san juan pr
406 am ast fri jul 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.
amz712-172030-
coastal waters of northern puerto rico out 10 nm-
406 am ast fri jul 17 2026
...small craft should exercise caution...
.today...east winds 10 to 15 knots with gusts up to 20 knots,
increasing to 15 to 20 knots with gusts up to 30 knots this
afternoon. seas 3 to 4 feet, occasionally to 5 feet. wave detail:
northeast 4 feet at 7 seconds. isolated showers.
.tonight...east winds 15 to 20 knots, diminishing to 10 to 15 knots
after midnight. gusts up to 30 knots. seas 3 to 5 feet, occasionally
to 6 feet. wave detail: northeast 4 feet at 7 seconds.
.saturday...east winds 15 to 20 knots with gusts up to 30 knots.
seas 3 to 5 feet, occasionally to 6 feet. wave detail: northeast
5 feet at 7 seconds.
.saturday 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. wave
detail: northeast 5 feet at 7 seconds.
.sunday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. gusts up to 30 knots. seas 4 to 5 feet, occasionally
to 6 feet. wave detail: east 5 feet at 6 seconds.
.sunday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. gusts up to 30 knots. seas 4 to 5 feet,
occasionally to 6 feet. wave detail: east 5 feet at 7 seconds.
.monday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 4 to 5 feet, occasionally to 6 feet.
.monday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
.tuesday...northeast winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.tuesday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas around 3 feet.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/17/2026 4:06 AM America/Puerto_Rico.
Valid through 7/17/2026 4:30 PM America/Puerto_Rico.
fzca52 tjsj 170806
cwfsju
expires:202607172030;;109299
coastal waters forecast
national weather service san juan pr
406 am ast fri jul 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.
amz735-172030-
coastal waters of southern puerto rico out 10 nm-
406 am ast fri jul 17 2026
.today...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. isolated showers until late afternoon.
.tonight...east winds 15 to 20 knots, diminishing to 10 to 15 knots
after midnight. seas 3 to 4 feet, occasionally to 5 feet. wave
detail: east 4 feet at 6 seconds.
.saturday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 3 to 5 feet, occasionally to 6 feet. wave
detail: east 5 feet at 7 seconds.
.saturday night...east winds 15 to 20 knots with gusts up to
25 knots. seas 4 to 5 feet, occasionally to 6 feet. wave detail:
east 5 feet at 7 seconds.
.sunday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 4 to 5 feet, occasionally to 6 feet. wave
detail: southeast 5 feet at 7 seconds.
.sunday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
wave detail: east 5 feet at 7 seconds. scattered showers.
.monday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 3 to 5 feet, occasionally to 6 feet.
.monday night...east winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet.
.tuesday...northeast winds 10 to 15 knots, becoming southeast in the
afternoon. seas 3 to 4 feet, occasionally to 5 feet.
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/17/2026 4:06 AM America/Puerto_Rico.
Valid through 7/17/2026 4:30 PM America/Puerto_Rico.
fzca52 tjsj 170806
cwfsju
expires:202607172030;;109300
coastal waters forecast
national weather service san juan pr
406 am ast fri jul 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.
amz741-172030-
mona passage southward to 17n-
406 am ast fri jul 17 2026
.today...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 and north 1 foot at 7 seconds. scattered showers this
morning. numerous showers this afternoon.
.tonight...east winds 15 to 20 knots with gusts up to 25 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: northeast 5 feet
at 7 seconds. scattered showers in the evening.
.saturday...east winds 15 to 20 knots with gusts up to 25 knots.
seas 4 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet
at 7 seconds.
.saturday night...east winds 15 to 20 knots with gusts up to
25 knots. seas 4 to 6 feet, occasionally to 8 feet. wave detail:
east 5 feet at 7 seconds.
.sunday...east winds 10 to 15 knots with gusts up to 25 knots. seas
4 to 6 feet, occasionally to 8 feet. wave detail: east 5 feet at
7 seconds.
.sunday night...east winds 15 to 20 knots with gusts up to 25 knots.
seas 4 to 6 feet, occasionally to 8 feet. wave detail: east 5 feet
at 7 seconds.
.monday...east winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. seas 4 to 5 feet, occasionally to 6 feet.
.monday 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.
.tuesday...east winds 10 to 15 knots, becoming northeast 5 to
10 knots in the afternoon. seas 3 to 5 feet, occasionally to 6 feet.
.tuesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/17/2026 4:06 AM America/Puerto_Rico.
Valid through 7/17/2026 4:30 PM America/Puerto_Rico.
fzca52 tjsj 170806
cwfsju
expires:202607172030;;109301
coastal waters forecast
national weather service san juan pr
406 am ast fri jul 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.
amz742-172030-
coastal waters of northwestern puerto rico out 10 nm-
406 am ast fri jul 17 2026
.today...east winds 5 to 10 knots, becoming northeast with gusts up
to 20 knots late. seas 2 to 3 feet. wave detail: southeast 2 feet at
5 seconds and north 2 feet at 7 seconds. isolated showers late this
morning. numerous showers this afternoon.
.tonight...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
7 seconds. numerous showers in the evening.
.saturday...east winds 5 to 10 knots, becoming northeast 10 to
15 knots in the afternoon. seas 2 to 3 feet. wave detail: northeast
3 feet at 7 seconds and south 2 feet at 6 seconds. scattered
showers.
.saturday night...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.
.sunday...northeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: northeast 2 feet at 6 seconds and southeast 2 feet at
6 seconds. scattered showers in the afternoon.
.sunday 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.
.monday...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.
.monday night...east winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet.
.tuesday...northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. seas 2 to 3 feet. numerous showers in the
afternoon.
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/17/2026 4:06 AM America/Puerto_Rico.
Valid through 7/17/2026 4:30 PM America/Puerto_Rico.
fzca52 tjsj 170806
cwfsju
expires:202607172030;;109302
coastal waters forecast
national weather service san juan pr
406 am ast fri jul 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.
amz745-172030-
coastal waters of southwestern puerto rico out 10 nm-
406 am ast fri jul 17 2026
.today...east winds 10 to 15 knots, becoming southeast 5 to 10 knots
late. seas 2 to 3 feet. wave detail: southeast 2 feet at 6 seconds
and north 1 foot at 7 seconds. isolated showers this afternoon.
.tonight...east winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots after midnight. seas 2 to 3 feet. wave
detail: southeast 2 feet at 6 seconds and north 1 foot at 7 seconds.
.saturday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 25 knots in the afternoon. seas 2 to
3 feet. wave detail: southeast 3 feet at 6 seconds and north 1 foot
at 7 seconds. scattered showers in the afternoon.
.saturday night...east winds 5 to 10 knots with gusts up to
20 knots. seas 2 to 3 feet. wave detail: southeast 3 feet at
7 seconds.
.sunday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
southeast 3 feet at 6 seconds.
.sunday night...east winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots after midnight. seas 2 to 3 feet. wave
detail: southeast 1 foot at 4 seconds.
.monday...east winds 5 to 10 knots, becoming southeast in the
afternoon. seas 2 to 3 feet.
.monday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.tuesday...north winds around 5 knots. seas 2 to 3 feet. scattered
showers in the afternoon.
.tuesday night...east winds 5 to 10 knots. seas around 2 feet.
scattered showers.
$$
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