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(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/10/2026 3:44 AM America/Puerto_Rico.
Valid through 8/10/2026 6:00 PM America/Puerto_Rico.
fzca52 tjsj 100744
cwfsju
expires:202608102200;;927129
coastal waters forecast
national weather service san juan pr
344 am ast mon aug 10 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.
amz712-102200-
coastal waters of northern puerto rico out 10 nm-
344 am ast mon aug 10 2026
...small craft should exercise caution...
.today...east winds 10 to 15 knots, increasing to 15 to 20 knots
late this morning and afternoon. gusts up to 30 knots. seas 4 to
5 feet, occasionally to 6 feet. wave detail: northeast 5 feet at
8 seconds. isolated showers until late afternoon.
.tonight...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 3 to 5 feet, occasionally to 6 feet. wave detail:
northeast 5 feet at 8 seconds. scattered showers after midnight.
.tuesday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. gusts up to 30 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: northeast 4 feet at 8 seconds.
scattered showers.
.tuesday 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 3 to 4 feet, occasionally to 5 feet. wave
detail: northeast 4 feet at 6 seconds and northeast 1 foot at
9 seconds.
.wednesday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. gusts up to 30 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: northeast 4 feet at 6 seconds
and northeast 1 foot at 9 seconds. scattered showers in the
afternoon.
.wednesday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. gusts up to 30 knots. seas around 4 feet,
occasionally to 5 feet. wave detail: northeast 4 feet at 6 seconds.
scattered showers in the evening.
.thursday...east winds 15 to 20 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.thursday night...east winds 15 to 20 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.friday...east winds 15 to 20 knots, increasing to 20 to 25 knots in
the afternoon. seas 5 to 6 feet, occasionally to 8 feet.
.friday night...east winds 15 to 20 knots. seas 5 to 6 feet,
occasionally to 8 feet.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/10/2026 3:44 AM America/Puerto_Rico.
Valid through 8/10/2026 6:00 PM America/Puerto_Rico.
fzca52 tjsj 100744
cwfsju
expires:202608102200;;927134
coastal waters forecast
national weather service san juan pr
344 am ast mon aug 10 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.
amz735-102200-
coastal waters of southern puerto rico out 10 nm-
344 am ast mon aug 10 2026
...small craft should exercise caution...
.today...east winds 10 to 15 knots, increasing to 15 to 20 knots
late this morning and afternoon. gusts up to 30 knots. seas 3 to
4 feet, occasionally to 5 feet. wave detail: east 4 feet at
6 seconds. isolated showers late.
.tonight...east winds 15 to 20 knots, diminishing to 10 to 15 knots
after midnight. gusts up to 30 knots. seas 3 to 4 feet, occasionally
to 5 feet. wave detail: east 4 feet at 7 seconds.
.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 6 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 6 seconds.
.wednesday...east winds 15 to 20 knots with gusts up to 25 knots.
seas 2 to 4 feet, occasionally to 5 feet. wave detail: east 3 feet
at 5 seconds. scattered showers.
.wednesday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. gusts up to 30 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 4 feet at 5 seconds.
.thursday...east winds 15 to 20 knots. seas 3 to 5 feet,
occasionally to 6 feet.
.thursday night...east winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. seas 4 to 6 feet, occasionally to 8 feet.
.friday...east winds 20 to 25 knots. seas 5 to 7 feet, occasionally
to 9 feet.
.friday night...east winds 15 to 20 knots. seas 5 to 7 feet,
occasionally to 9 feet.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/10/2026 3:44 AM America/Puerto_Rico.
Valid through 8/10/2026 6:00 PM America/Puerto_Rico.
fzca52 tjsj 100744
cwfsju
expires:202608102200;;927135
coastal waters forecast
national weather service san juan pr
344 am ast mon aug 10 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.
amz741-102200-
mona passage southward to 17n-
344 am ast mon aug 10 2026
...small craft should exercise caution...
.today...east winds 15 to 20 knots with gusts up to 30 knots. seas
4 to 6 feet, occasionally to 8 feet. wave detail: east 6 feet at
7 seconds. isolated showers.
.tonight...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.
.tuesday...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 in the afternoon.
.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 7 seconds.
.wednesday...east winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. seas 3 to 4 feet, occasionally to 5 feet.
wave detail: east 4 feet at 6 seconds.
.wednesday night...east winds 15 to 20 knots with gusts up to
30 knots. seas 3 to 5 feet, occasionally to 6 feet. wave detail:
east 5 feet at 6 seconds. scattered showers after midnight.
.thursday...east winds 20 to 25 knots, diminishing to 15 to 20 knots
in the afternoon. seas 4 to 6 feet, occasionally to 8 feet.
.thursday night...east winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. seas 5 to 7 feet, occasionally to 9 feet.
.friday...east winds 20 to 25 knots. seas 5 to 8 feet, occasionally
to 10 feet.
.friday night...east winds 20 to 25 knots. seas 6 to 8 feet,
occasionally to 10 feet.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/10/2026 3:44 AM America/Puerto_Rico.
Valid through 8/10/2026 6:00 PM America/Puerto_Rico.
fzca52 tjsj 100744
cwfsju
expires:202608102200;;927136
coastal waters forecast
national weather service san juan pr
344 am ast mon aug 10 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.
amz742-102200-
coastal waters of northwestern puerto rico out 10 nm-
344 am ast mon aug 10 2026
.today...east winds 5 to 10 knots, becoming northeast 10 to 15 knots
this afternoon. gusts up to 25 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: northeast 3 feet at 6 seconds and south
1 foot at 5 seconds. scattered showers with isolated thunderstorms
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: northeast 3 feet
at 6 seconds and south 1 foot at 5 seconds.
.tuesday...east winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. seas 2 to 4 feet, occasionally to 5 feet. wave
detail: northeast 3 feet at 6 seconds and south 1 foot at 6 seconds.
showers in the afternoon.
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: northeast 2 feet at 5 seconds and south 1 foot at 6 seconds.
scattered showers in the evening.
.wednesday...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: northeast 2 feet at 6 seconds and south 1 foot at 6 seconds.
scattered showers in the afternoon.
.wednesday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: northeast 2 feet at 7 seconds and south 1 foot at 6 seconds.
scattered showers in the evening.
.thursday...east winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. seas 2 to 3 feet. scattered showers in the
afternoon.
.thursday night...east winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet.
.friday...east winds 15 to 20 knots. seas 2 to 4 feet, occasionally
to 5 feet. scattered showers in the afternoon.
.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.
winds and seas higher in and near thunderstorms.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/10/2026 3:44 AM America/Puerto_Rico.
Valid through 8/10/2026 6:00 PM America/Puerto_Rico.
fzca52 tjsj 100744
cwfsju
expires:202608102200;;927137
coastal waters forecast
national weather service san juan pr
344 am ast mon aug 10 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.
amz745-102200-
coastal waters of southwestern puerto rico out 10 nm-
344 am ast mon aug 10 2026
...small craft should exercise caution...
.today...east winds 5 to 10 knots with gusts up to 20 knots,
becoming southeast 15 to 20 knots with gusts up to 25 knots this
afternoon. seas 2 to 3 feet. wave detail: east 2 feet at 4 seconds
and southwest 1 foot at 5 seconds. isolated showers this afternoon.
.tonight...east winds 10 to 15 knots with gusts up to 25 knots,
becoming northeast 5 to 10 knots after midnight. seas 2 to 3 feet.
wave detail: east 2 feet at 2 seconds and southwest 1 foot at
5 seconds.
.tuesday...east winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. seas around 2 feet. wave
detail: northeast 2 feet at 4 seconds and south 1 foot at 5 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: south 2 feet at 4 seconds.
scattered showers in the evening.
.wednesday...east winds 10 to 15 knots with gusts up to 25 knots.
seas 2 to 3 feet. wave detail: east 2 feet at 4 seconds and
southwest 1 foot at 5 seconds.
.wednesday night...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 southwest 1 foot at 5 seconds.
.thursday...east winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. seas 2 to 4 feet, occasionally to 5 feet.
.thursday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 2 to 4 feet, occasionally to 5 feet.
.friday...east winds 15 to 20 knots, becoming southeast 20 to
25 knots in the afternoon. seas 2 to 4 feet, occasionally to 5 feet.
.friday night...east winds 15 to 20 knots, becoming northeast 5 to
10 knots after midnight. seas 2 to 4 feet, occasionally to 5 feet.
$$
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