(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/15/2026 4:06 AM America/Puerto_Rico.
Valid through 8/15/2026 5:15 PM America/Puerto_Rico.
fzca52 tjsj 150806
cwfsju
expires:202608152115;;221542
coastal waters forecast
national weather service san juan pr
406 am ast sat aug 15 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.
amz712-152115-
coastal waters of northern puerto rico out 10 nm-
406 am ast sat aug 15 2026
...small craft advisory in effect through sunday morning...
.today...east winds 15 to 20 knots, increasing to 20 to 25 knots
this afternoon. seas 5 to 7 feet, occasionally to 9 feet. wave
detail: northeast 6 feet at 7 seconds and northeast 1 foot at
12 seconds. isolated showers until late afternoon, then scattered
showers late.
.tonight...east winds 15 to 20 knots with gusts up to 30 knots. seas
6 to 7 feet, occasionally to 9 feet. wave detail: northeast 6 feet
at 7 seconds and northeast 1 foot at 12 seconds. scattered showers.
.sunday...east winds 15 to 20 knots with gusts up to 30 knots. seas
5 to 6 feet, occasionally to 8 feet. wave detail: east 6 feet at
8 seconds and northeast 1 foot at 11 seconds. scattered showers.
.sunday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. gusts up to 30 knots. seas 4 to 6 feet,
occasionally to 8 feet. wave detail: northeast 6 feet at 8 seconds
and northeast 1 foot at 11 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:
east 5 feet at 8 seconds and northeast 1 foot at 10 seconds.
.monday 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 5 feet, occasionally to 6 feet. wave detail:
east 5 feet at 8 seconds and northeast 1 foot at 10 seconds.
.tuesday...east winds 10 to 15 knots. seas 3 to 4 feet, occasionally
to 5 feet.
.tuesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.wednesday...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers in the afternoon.
.wednesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/15/2026 4:06 AM America/Puerto_Rico.
Valid through 8/15/2026 5:15 PM America/Puerto_Rico.
fzca52 tjsj 150806
cwfsju
expires:202608152115;;221547
coastal waters forecast
national weather service san juan pr
406 am ast sat aug 15 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.
amz735-152115-
coastal waters of southern puerto rico out 10 nm-
406 am ast sat aug 15 2026
...small craft advisory in effect through sunday morning...
.today...east winds 15 to 20 knots, increasing to 20 to 25 knots
late this morning and afternoon. 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 with gusts up to 30 knots. seas
5 to 7 feet, occasionally to 9 feet. wave detail: east 6 feet at
8 seconds. scattered showers in the evening, then numerous showers
after midnight.
.sunday...east winds 15 to 20 knots with gusts up to 30 knots. seas
5 to 7 feet, occasionally to 9 feet. wave detail: east 7 feet at
9 seconds. scattered showers in the morning.
.sunday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 5 to 7 feet, occasionally to 9 feet.
wave detail: east 6 feet at 8 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 8 seconds.
.monday 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.
.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.
.tuesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.wednesday...east winds 10 to 15 knots. seas 2 to 3 feet.
.wednesday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/15/2026 4:06 AM America/Puerto_Rico.
Valid through 8/15/2026 5:15 PM America/Puerto_Rico.
fzca52 tjsj 150806
cwfsju
expires:202608152115;;221548
coastal waters forecast
national weather service san juan pr
406 am ast sat aug 15 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.
amz741-152115-
mona passage southward to 17n-
406 am ast sat aug 15 2026
...small craft advisory in effect through sunday evening...
.today...east winds 20 to 25 knots with gusts up to 35 knots. seas
5 to 8 feet, occasionally to 10 feet. wave detail: east 8 feet at
7 seconds. isolated showers late this morning. scattered showers
early this afternoon, then isolated showers late.
.tonight...east winds 20 to 25 knots with gusts up to 35 knots. seas
6 to 9 feet, occasionally to 11 feet. wave detail: northeast 8 feet
at 8 seconds.
.sunday...east winds 15 to 20 knots with gusts up to 30 knots. seas
6 to 9 feet, occasionally to 11 feet. wave detail: east 8 feet at
9 seconds and northeast 1 foot at 11 seconds. numerous showers.
.sunday night...east winds 15 to 20 knots with gusts up to 25 knots.
seas 6 to 8 feet, occasionally to 10 feet. wave detail: east 7 feet
at 8 seconds and northeast 1 foot at 11 seconds. scattered showers
in the evening.
.monday...east winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. seas 4 to 6 feet, occasionally to 8 feet. wave
detail: east 6 feet at 8 seconds and northeast 1 foot at 10 seconds.
.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.
wave detail: east 5 feet at 7 seconds and northeast 1 foot at
10 seconds.
.tuesday...east winds 10 to 15 knots. 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.
.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. scattered showers.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/15/2026 4:06 AM America/Puerto_Rico.
Valid through 8/15/2026 5:15 PM America/Puerto_Rico.
fzca52 tjsj 150806
cwfsju
expires:202608152115;;221549
coastal waters forecast
national weather service san juan pr
406 am ast sat aug 15 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.
amz742-152115-
coastal waters of northwestern puerto rico out 10 nm-
406 am ast sat aug 15 2026
...small craft should exercise caution...
.today...east winds 15 to 20 knots, becoming northeast 20 to
25 knots this afternoon. gusts up to 35 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: northeast 5 feet at 5 seconds
and northeast 1 foot at 12 seconds. scattered showers early this
afternoon.
.tonight...northeast winds 20 to 25 knots, becoming east 15 to
20 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
wave detail: northeast 5 feet at 6 seconds and northeast 1 foot at
12 seconds.
.sunday...east winds 15 to 20 knots, becoming northeast 10 to
15 knots in the afternoon. seas 3 to 5 feet, occasionally to 6 feet.
wave detail: northeast 4 feet at 7 seconds and northeast 1 foot at
11 seconds. numerous 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
4 feet at 6 seconds and northeast 1 foot at 11 seconds. scattered
showers in the evening.
.monday...northeast winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: northeast 3 feet at 6 seconds
and northeast 1 foot at 10 seconds. numerous showers in the
afternoon.
.monday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. gusts up to 25 knots. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: northeast 3 feet at 6 seconds
and northeast 1 foot at 10 seconds.
.tuesday...northeast winds 5 to 10 knots. seas 2 to 3 feet.
scattered showers in the afternoon.
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.wednesday...northeast winds 5 to 10 knots. seas 2 to 3 feet.
numerous showers in the afternoon.
.wednesday night...east winds 10 to 15 knots. seas 2 to 3 feet.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/15/2026 4:06 AM America/Puerto_Rico.
Valid through 8/15/2026 5:15 PM America/Puerto_Rico.
fzca52 tjsj 150806
cwfsju
expires:202608152115;;221550
coastal waters forecast
national weather service san juan pr
406 am ast sat aug 15 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.
amz745-152115-
coastal waters of southwestern puerto rico out 10 nm-
406 am ast sat aug 15 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 2 to 4 feet, occasionally to 5 feet. wave detail:
east 3 feet at 4 seconds. scattered showers early this afternoon.
.tonight...northeast winds 15 to 20 knots, becoming east 5 to
10 knots after midnight. seas 2 to 4 feet, occasionally to 5 feet.
wave detail: northeast 4 feet at 5 seconds.
.sunday...east winds 10 to 15 knots with gusts up to 20 knots,
becoming southeast 15 to 20 knots with gusts up to 30 knots in the
afternoon. seas 2 to 4 feet, occasionally to 5 feet. wave detail:
southeast 3 feet at 5 seconds and northwest 1 foot at 4 seconds.
scattered showers in the afternoon.
.sunday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 4 feet, occasionally to 5 feet.
wave detail: southeast 3 feet at 6 seconds.
.monday...east winds 10 to 15 knots, becoming southeast 5 to
10 knots in the afternoon. seas 2 to 3 feet. wave detail: east
2 feet at 6 seconds and northwest 1 foot at 5 seconds. scattered
showers in the afternoon.
.monday night...east winds 5 to 10 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: southeast 2 feet at 6 seconds and
northwest 1 foot at 5 seconds.
.tuesday...east winds around 5 knots, becoming southeast around
5 knots in the afternoon. seas around 2 feet.
.tuesday night...east winds 5 to 10 knots. seas around 2 feet.
.wednesday...east winds 5 to 10 knots. seas around 2 feet. scattered
showers in the afternoon.
.wednesday night...east winds 5 to 10 knots, diminishing to around
5 knots after midnight. seas around 2 feet.
$$
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