(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/17/2026 3:36 PM America/Puerto_Rico.
Valid through 7/18/2026 6:00 AM America/Puerto_Rico.
fzca52 tjsj 171936
cwfsju
expires:202607181000;;136164
coastal waters forecast
national weather service san juan pr
336 pm 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.
amz712-181000-
coastal waters of northern puerto rico out 10 nm-
336 pm ast fri jul 17 2026
...small craft should exercise caution...
.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: east 4 feet at 5 seconds and northeast
1 foot at 8 seconds. isolated showers this evening. isolated showers
late.
.saturday...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: northeast 4 feet at 7 seconds.
.saturday 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.
.sunday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. gusts up to 30 knots. seas around 4 feet,
occasionally to 5 feet. wave detail: east 4 feet at 7 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 with gusts up to 20 knots,
increasing to 15 to 20 knots with gusts up to 30 knots in the
afternoon. seas 4 to 5 feet, occasionally to 6 feet. wave detail:
northeast 4 feet at 7 seconds.
.monday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 3 to 4 feet, occasionally to 5 feet.
.tuesday...east winds 5 to 10 knots, becoming northeast 10 to
15 knots in the afternoon. seas around 3 feet.
.tuesday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas around 3 feet.
.wednesday...east winds 10 to 15 knots. seas 2 to 3 feet.
.wednesday night...east winds 10 to 15 knots, becoming southeast
5 to 10 knots after midnight. seas around 3 feet.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/17/2026 3:36 PM America/Puerto_Rico.
Valid through 7/18/2026 6:00 AM America/Puerto_Rico.
fzca52 tjsj 171936
cwfsju
expires:202607181000;;136169
coastal waters forecast
national weather service san juan pr
336 pm 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.
amz735-181000-
coastal waters of southern puerto rico out 10 nm-
336 pm ast fri jul 17 2026
...small craft should exercise caution...
.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. isolated showers late this evening
and overnight.
.saturday...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 6 seconds.
.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.
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 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. 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. wave
detail: east 4 feet at 7 seconds.
.monday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 4 feet, occasionally to 5 feet.
.tuesday...northeast winds 5 to 10 knots, becoming east 10 to
15 knots 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.
.wednesday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. seas 2 to 3 feet.
.wednesday night...east winds 10 to 15 knots. seas 2 to 3 feet.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/17/2026 3:36 PM America/Puerto_Rico.
Valid through 7/18/2026 6:00 AM America/Puerto_Rico.
fzca52 tjsj 171936
cwfsju
expires:202607181000;;136170
coastal waters forecast
national weather service san juan pr
336 pm 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.
amz741-181000-
mona passage southward to 17n-
336 pm ast fri jul 17 2026
...small craft should exercise caution...
.tonight...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. scattered showers, mainly this 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 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 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. wave
detail: east 5 feet at 7 seconds.
.monday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 4 to 5 feet, occasionally to 6 feet. scattered showers.
.tuesday...northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. seas 3 to 5 feet, occasionally to 6 feet.
.tuesday night...east winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. 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.
.wednesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/17/2026 3:36 PM America/Puerto_Rico.
Valid through 7/18/2026 6:00 AM America/Puerto_Rico.
fzca52 tjsj 171936
cwfsju
expires:202607181000;;136171
coastal waters forecast
national weather service san juan pr
336 pm 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.
amz742-181000-
coastal waters of northwestern puerto rico out 10 nm-
336 pm ast fri jul 17 2026
.tonight...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 4 feet, occasionally to 5 feet. wave detail: northeast 3 feet
at 6 seconds. numerous showers early this evening, then isolated
showers late this evening.
.saturday...northeast winds 5 to 10 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: northeast 3 feet at 7 seconds and
southeast 1 foot at 6 seconds. scattered showers.
.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 6 seconds and southeast 2 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 1 foot 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: northeast
3 feet at 6 seconds.
.monday...east winds 5 to 10 knots, becoming northeast 10 to
15 knots with gusts up to 20 knots in the afternoon. seas 2 to
4 feet, occasionally to 5 feet. wave detail: east 3 feet at
6 seconds. scattered showers in the afternoon.
.monday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 2 to 4 feet, occasionally to 5 feet.
.tuesday...northeast winds 5 to 10 knots. seas 2 to 3 feet. numerous
showers in the afternoon.
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.wednesday...east winds around 5 knots. seas around 2 feet.
scattered showers in the afternoon.
.wednesday night...east winds 5 to 10 knots. seas around 2 feet.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/17/2026 3:36 PM America/Puerto_Rico.
Valid through 7/18/2026 6:00 AM America/Puerto_Rico.
fzca52 tjsj 171936
cwfsju
expires:202607181000;;136172
coastal waters forecast
national weather service san juan pr
336 pm 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.
amz745-181000-
coastal waters of southwestern puerto rico out 10 nm-
336 pm ast fri jul 17 2026
.tonight...east winds 5 to 10 knots with gusts up to 20 knots,
increasing to 10 to 15 knots with gusts up to 20 knots late this
evening, then diminishing to 5 to 10 knots after midnight. seas 2 to
3 feet. wave detail: southeast 2 feet at 6 seconds. scattered
showers early this evening, then isolated showers late this evening.
.saturday...east winds 10 to 15 knots with gusts up to 25 knots.
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. seas 2 to 3 feet. wave
detail: southeast 3 feet at 6 seconds.
.sunday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. gusts up to 25 knots. seas 2 to 3 feet.
wave detail: southeast 3 feet at 7 seconds.
.sunday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 3 feet at 7 seconds.
.monday...east winds 5 to 10 knots, becoming southeast in the
afternoon. seas 2 to 3 feet. wave detail: southeast 2 feet at
6 seconds.
.monday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.tuesday...northeast 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.
.wednesday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. seas 2 to 3 feet.
.wednesday night...southeast winds 5 to 10 knots. seas around
2 feet.
$$
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