(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/13/2026 10:01 PM America/Puerto_Rico.
Valid through 8/14/2026 11:15 AM America/Puerto_Rico.
fzca52 tjsj 140201
cwfsju
expires:202608141515;;148123
coastal waters forecast
national weather service san juan pr
1001 pm ast thu aug 13 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.
amz712-141515-
coastal waters of northern puerto rico out 10 nm-
1001 pm ast thu aug 13 2026
...small craft advisory in effect from 6 am ast friday through
saturday afternoon...
.rest of tonight...east winds 15 to 20 knots with gusts up to
25 knots. seas 5 to 6 feet, occasionally to 8 feet. wave detail:
east 5 feet at 7 seconds. isolated showers.
.friday...east winds 15 to 20 knots, increasing to 20 to 25 knots in
the afternoon. seas 5 to 7 feet, occasionally to 9 feet. wave
detail: east 6 feet at 7 seconds and northeast 1 foot at 12 seconds.
.friday night...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 7 seconds and northeast 1 foot at 12 seconds.
.saturday...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.
.saturday night...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.
.sunday...east winds 20 to 25 knots, diminishing to 15 to 20 knots
in the afternoon. seas 6 to 7 feet, occasionally to 9 feet. wave
detail: northeast 7 feet at 7 seconds and northeast 1 foot at
11 seconds. scattered showers in the afternoon.
.sunday 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 5 to 6 feet, occasionally to 8 feet. scattered
showers.
.monday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas around 5 feet, occasionally to 6 feet. scattered
showers.
.monday night...east winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.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.
scattered showers in the afternoon.
.tuesday night...east winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/13/2026 10:01 PM America/Puerto_Rico.
Valid through 8/14/2026 11:15 AM America/Puerto_Rico.
fzca52 tjsj 140201
cwfsju
expires:202608141515;;148128
coastal waters forecast
national weather service san juan pr
1001 pm ast thu aug 13 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.
amz735-141515-
coastal waters of southern puerto rico out 10 nm-
1001 pm ast thu aug 13 2026
...small craft advisory in effect from 6 am ast friday through
saturday afternoon...
.rest of tonight...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.
.friday...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
7 seconds.
.friday night...east winds 15 to 20 knots with gusts up to 30 knots.
seas 4 to 6 feet, occasionally to 8 feet. wave detail: east 5 feet
at 7 seconds.
.saturday...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 7 seconds.
.saturday night...northeast 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 7 seconds.
.sunday...east winds 20 to 25 knots with gusts up to 35 knots. seas
5 to 7 feet, occasionally to 9 feet. wave detail: east 7 feet at
7 seconds. scattered showers in the afternoon.
.sunday night...east winds 15 to 20 knots with gusts up to 30 knots.
seas 5 to 7 feet, occasionally to 9 feet. scattered showers.
.monday...east winds 10 to 15 knots. seas 4 to 6 feet, occasionally
to 8 feet. scattered showers in the morning.
.monday night...east winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.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 around 3 feet.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/13/2026 10:01 PM America/Puerto_Rico.
Valid through 8/14/2026 11:15 AM America/Puerto_Rico.
fzca52 tjsj 140201
cwfsju
expires:202608141515;;148129
coastal waters forecast
national weather service san juan pr
1001 pm ast thu aug 13 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.
amz741-141515-
mona passage southward to 17n-
1001 pm ast thu aug 13 2026
...small craft advisory in effect through sunday afternoon...
.rest of tonight...east winds 15 to 20 knots, increasing to 20 to
25 knots late. seas 5 to 7 feet, occasionally to 9 feet. wave
detail: east 7 feet at 7 seconds.
.friday...east winds 20 to 25 knots, diminishing to 15 to 20 knots
in the afternoon. seas 5 to 8 feet, occasionally to 10 feet. wave
detail: east 7 feet at 7 seconds.
.friday night...east winds 15 to 20 knots with gusts up to 30 knots.
seas 6 to 8 feet, occasionally to 10 feet. wave detail: east 6 feet
at 7 seconds.
.saturday...east winds 15 to 20 knots with gusts up to 30 knots.
seas 6 to 8 feet, occasionally to 10 feet. wave detail: east 6 feet
at 7 seconds.
.saturday night...northeast winds 20 to 25 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.
.sunday...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
8 seconds and northeast 1 foot at 11 seconds. scattered showers in
the afternoon.
.sunday night...east winds 20 to 25 knots, diminishing to 15 to
20 knots after midnight. seas 6 to 8 feet, occasionally to 10 feet.
scattered showers.
.monday...east winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. seas 5 to 7 feet, occasionally to 9 feet.
scattered showers.
.monday night...east winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.tuesday...east winds 10 to 15 knots. seas 4 to 5 feet, occasionally
to 6 feet. scattered showers in the afternoon.
.tuesday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. seas 3 to 4 feet, occasionally to 5 feet.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/13/2026 10:01 PM America/Puerto_Rico.
Valid through 8/14/2026 11:15 AM America/Puerto_Rico.
fzca52 tjsj 140201
cwfsju
expires:202608141515;;148130
coastal waters forecast
national weather service san juan pr
1001 pm ast thu aug 13 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.
amz742-141515-
coastal waters of northwestern puerto rico out 10 nm-
1001 pm ast thu aug 13 2026
.rest of 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 5 seconds.
.friday...east winds 10 to 15 knots with gusts up to 20 knots,
becoming northeast 15 to 20 knots with gusts up to 30 knots in the
afternoon. seas 3 to 5 feet, occasionally to 6 feet. wave detail:
east 4 feet at 7 seconds.
.friday night...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.
.saturday...northeast winds 15 to 20 knots, increasing to 20 to
25 knots in the afternoon. seas 3 to 5 feet, occasionally to 6 feet.
wave detail: northeast 4 feet at 6 seconds and northeast 1 foot at
12 seconds. scattered showers in the afternoon.
.saturday night...northeast winds 20 to 25 knots with gusts up to
30 knots. seas 4 to 6 feet, occasionally to 8 feet. wave detail:
northeast 5 feet at 6 seconds and northeast 1 foot at 12 seconds.
.sunday...northeast winds 20 to 25 knots, becoming east 15 to
20 knots in the afternoon. seas 3 to 5 feet, occasionally to 6 feet.
wave detail: northeast 5 feet at 5 seconds and northeast 1 foot at
11 seconds. scattered showers in the afternoon.
.sunday 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 2 to 4 feet, occasionally to 5 feet. scattered
showers.
.monday...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. numerous showers in the afternoon.
.monday night...east winds 5 to 10 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.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/13/2026 10:01 PM America/Puerto_Rico.
Valid through 8/14/2026 11:15 AM America/Puerto_Rico.
fzca52 tjsj 140201
cwfsju
expires:202608141515;;148131
coastal waters forecast
national weather service san juan pr
1001 pm ast thu aug 13 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.
amz745-141515-
coastal waters of southwestern puerto rico out 10 nm-
1001 pm ast thu aug 13 2026
.rest of 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 5 seconds.
.friday...east winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. gusts up to 30 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: east 3 feet at 6 seconds.
.friday night...northeast 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.
.saturday...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: northeast 3 feet at 5 seconds. scattered
showers in the afternoon.
.saturday night...northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. seas 2 to 4 feet, occasionally to
5 feet. wave detail: northeast 3 feet at 5 seconds.
.sunday...east winds 15 to 20 knots, increasing to 20 to 25 knots in
the afternoon. seas 2 to 4 feet, occasionally to 5 feet. wave
detail: northeast 3 feet at 4 seconds. numerous showers in the
afternoon.
.sunday 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.
.monday...east winds 10 to 15 knots, becoming southeast 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, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet.
.tuesday...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. scattered showers in the afternoon.
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet.
$$
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