(1/4)
Latest Coastal Waters Forecast by TJSJ
Issued 8/28/2026 4:00 AM America/Puerto_Rico.
Valid through 8/28/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 280800
cwfsju
expires:202608282015;;489575
coastal waters forecast
national weather service san juan pr
400 am ast fri aug 28 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.
amz712-282015-
coastal waters of northern puerto rico out 10 nm-
400 am ast fri aug 28 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 around 4 feet, occasionally to 5 feet. wave detail:
northeast 4 feet at 6 seconds and northeast 2 feet at 12 seconds.
scattered showers, mainly this morning.
.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: northeast 4 feet at 6 seconds and northeast 2 feet at
12 seconds. scattered showers after midnight.
.saturday...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 7 seconds and northeast 2 feet at 11 seconds.
scattered showers in the morning.
.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 8 seconds and
northeast 2 feet at 11 seconds. scattered showers after midnight.
.sunday...northeast winds 15 to 20 knots with gusts up to 25 knots.
seas 5 to 6 feet, occasionally to 8 feet. wave detail: northeast
5 feet at 9 seconds. scattered showers in the morning, then numerous
showers in the afternoon.
.sunday night...east winds 15 to 20 knots, becoming southeast 10 to
15 knots after midnight. gusts up to 30 knots. seas 5 to 6 feet,
occasionally to 8 feet. wave detail: northeast 5 feet at 7 seconds.
scattered showers after midnight.
.monday...southeast winds 10 to 15 knots, becoming east 5 to
10 knots in the afternoon. seas 5 to 7 feet, occasionally to 9 feet.
numerous showers in the afternoon.
.monday night...east winds 5 to 10 knots. seas 4 to 5 feet,
occasionally to 6 feet. scattered showers.
.tuesday...east winds 5 to 10 knots. seas 3 to 4 feet, occasionally
to 5 feet. scattered showers in the morning, then numerous showers
in the afternoon.
.tuesday night...east winds 5 to 10 knots. seas around 3 feet.
scattered showers.
$$
(2/4)
Latest Coastal Waters Forecast by TJSJ
Issued 8/28/2026 4:00 AM America/Puerto_Rico.
Valid through 8/28/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 280800
cwfsju
expires:202608282015;;489580
coastal waters forecast
national weather service san juan pr
400 am ast fri aug 28 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.
amz735-282015-
coastal waters of southern puerto rico out 10 nm-
400 am ast fri aug 28 2026
...small craft should exercise caution...
.today...east winds 10 to 15 knots, increasing to 15 to 20 knots
this afternoon. seas 2 to 4 feet, occasionally to 5 feet. wave
detail: east 4 feet at 6 seconds. isolated showers early this
morning, then scattered showers late this morning. isolated showers
this afternoon.
.tonight...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.
.saturday...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. scattered showers in the morning.
.saturday night...northeast 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.
.sunday...northeast winds 10 to 15 knots, becoming east 15 to
20 knots in the afternoon. seas 3 to 4 feet, occasionally to 5 feet.
wave detail: east 4 feet at 7 seconds. scattered showers.
.sunday night...southeast 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. numerous showers.
.monday...southeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. seas 3 to 5 feet, occasionally to 6 feet.
scattered showers.
.monday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
scattered showers.
.tuesday...east winds 5 to 10 knots. seas 3 to 4 feet, occasionally
to 5 feet. scattered showers.
.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.
$$
(3/4)
Latest Coastal Waters Forecast by TJSJ
Issued 8/28/2026 4:00 AM America/Puerto_Rico.
Valid through 8/28/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 280800
cwfsju
expires:202608282015;;489582
coastal waters forecast
national weather service san juan pr
400 am ast fri aug 28 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.
amz742-282015-
coastal waters of northwestern puerto rico out 10 nm-
400 am ast fri aug 28 2026
.today...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
northeast 3 feet at 5 seconds and northeast 1 foot at 13 seconds.
isolated showers early this afternoon. numerous showers with
isolated thunderstorms late.
.tonight...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: northeast 3 feet at 5 seconds and northeast
1 foot at 12 seconds. scattered showers in the evening.
.saturday...east winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 25 knots in the afternoon. seas 2 to 3 feet. wave
detail: northeast 3 feet at 6 seconds and northeast 1 foot at
11 seconds. scattered showers in the afternoon.
.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 4 feet at 6 seconds and northeast 1 foot at 11 seconds.
.sunday...northeast winds 15 to 20 knots with gusts up to 30 knots.
seas 3 to 5 feet, occasionally to 6 feet. wave detail: northeast
4 feet at 6 seconds and northeast 1 foot at 10 seconds. scattered
showers in the afternoon.
.sunday night...east winds 15 to 20 knots, becoming southeast after
midnight. gusts up to 30 knots. seas 3 to 5 feet, occasionally to
6 feet. wave detail: northeast 4 feet at 5 seconds.
.monday...southeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. seas 3 to 5 feet, occasionally to 6 feet.
scattered showers in the afternoon.
.monday night...southeast winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 4 feet, occasionally to 5 feet.
.tuesday...east winds around 5 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.
winds and seas higher in and near thunderstorms.
$$
(4/4)
Latest Coastal Waters Forecast by TJSJ
Issued 8/28/2026 4:00 AM America/Puerto_Rico.
Valid through 8/28/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 280800
cwfsju
expires:202608282015;;489583
coastal waters forecast
national weather service san juan pr
400 am ast fri aug 28 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.
amz745-282015-
coastal waters of southwestern puerto rico out 10 nm-
400 am ast fri aug 28 2026
.today...east winds around 5 knots, increasing to 10 to 15 knots
with gusts up to 20 knots. seas around 2 feet. wave detail:
southeast 2 feet at 6 seconds and north 1 foot at 4 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 around 2 feet.
wave detail: southeast 2 feet at 6 seconds and north 1 foot at
4 seconds.
.saturday...east winds 10 to 15 knots with gusts up to 25 knots.
seas 2 to 3 feet. wave detail: southeast 2 feet at 6 seconds and
north 1 foot at 4 seconds. scattered showers in the afternoon.
.saturday night...east winds 10 to 15 knots with gusts up to
20 knots, becoming northeast 5 to 10 knots after midnight. seas 2 to
3 feet. wave detail: southeast 2 feet at 5 seconds and north 1 foot
at 5 seconds.
.sunday...northeast winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds and north 1 foot at 5 seconds.
numerous showers in the afternoon.
.sunday night...east winds 10 to 15 knots, becoming southeast 15 to
20 knots after midnight. seas 2 to 3 feet. wave detail: northeast
2 feet at 5 seconds. scattered showers.
.monday...southeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. seas 2 to 3 feet. scattered showers in
the morning.
.monday night...east winds 10 to 15 knots. seas 2 to 3 feet.
scattered showers.
.tuesday...southeast winds 5 to 10 knots. seas 2 to 3 feet.
scattered showers.
.tuesday night...east winds 10 to 15 knots. seas 2 to 3 feet.
$$
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