(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/16/2026 3:56 AM America/Puerto_Rico.
Valid through 8/16/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 160756
cwfsju
expires:202608162015;;278123
coastal waters forecast
national weather service san juan pr
356 am ast sun aug 16 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.
amz712-162015-
coastal waters of northern puerto rico out 10 nm-
356 am ast sun aug 16 2026
...small craft advisory in effect until noon ast today...
.today...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. 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 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, increasing to 15 to 20 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 10 to 15 knots with gusts up to 25 knots.
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 with gusts up to 20 knots,
increasing to 15 to 20 knots with gusts up to 30 knots in the
afternoon. seas 3 to 4 feet, occasionally to 5 feet. wave detail:
east 4 feet at 8 seconds and northeast 1 foot at 10 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 8 seconds and north 1 foot at 9 seconds.
.wednesday...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.wednesday night...east winds 10 to 15 knots, becoming southeast
5 to 10 knots after midnight. seas 2 to 4 feet, occasionally to
5 feet. numerous showers.
.thursday...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.
.thursday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/16/2026 3:56 AM America/Puerto_Rico.
Valid through 8/16/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 160756
cwfsju
expires:202608162015;;278128
coastal waters forecast
national weather service san juan pr
356 am ast sun aug 16 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.
amz735-162015-
coastal waters of southern puerto rico out 10 nm-
356 am ast sun aug 16 2026
...small craft advisory in effect through this evening...
.today...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 early this morning, then isolated
showers late this morning and early afternoon.
.tonight...east winds 15 to 20 knots, diminishing to 10 to 15 knots
after midnight. seas 4 to 6 feet, occasionally to 8 feet. wave
detail: east 6 feet at 8 seconds.
.monday...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.
.monday night...east winds 10 to 15 knots with gusts up to 20 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 with gusts up to 25 knots. 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
20 knots. seas 3 to 4 feet, occasionally to 5 feet. wave detail:
east 3 feet at 6 seconds.
.wednesday...east winds 10 to 15 knots. seas 2 to 3 feet.
.wednesday night...east winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. seas 2 to 3 feet.
.thursday...east winds 10 to 15 knots. seas 2 to 3 feet. numerous
showers, mainly in the morning.
.thursday night...east winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/16/2026 3:56 AM America/Puerto_Rico.
Valid through 8/16/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 160756
cwfsju
expires:202608162015;;278129
coastal waters forecast
national weather service san juan pr
356 am ast sun aug 16 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.
amz741-162015-
mona passage southward to 17n-
356 am ast sun aug 16 2026
...small craft advisory in effect through this evening...
.today...east winds 15 to 20 knots with gusts up to 30 knots. seas
6 to 8 feet, occasionally to 10 feet. wave detail: east 8 feet at
8 seconds and northeast 1 foot at 11 seconds. scattered showers this
morning, then isolated showers early this afternoon. scattered
showers late.
.tonight...east winds 15 to 20 knots with gusts up to 25 knots. seas
5 to 7 feet, occasionally to 9 feet. wave detail: east 7 feet at
8 seconds and northeast 1 foot at 11 seconds.
.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 with gusts up to 25 knots.
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 with gusts up to 25 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: east 4 feet at
7 seconds and northeast 1 foot at 10 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 and northeast 1 foot at 9 seconds.
.wednesday...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.wednesday night...east winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. seas around 3 feet.
.thursday...east winds 10 to 15 knots. seas around 3 feet.
.thursday night...east winds 15 to 20 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/16/2026 3:56 AM America/Puerto_Rico.
Valid through 8/16/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 160756
cwfsju
expires:202608162015;;278130
coastal waters forecast
national weather service san juan pr
356 am ast sun aug 16 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.
amz742-162015-
coastal waters of northwestern puerto rico out 10 nm-
356 am ast sun aug 16 2026
...small craft should exercise caution...
.today...east winds 15 to 20 knots, becoming northeast 10 to
15 knots late this morning and 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. scattered showers with isolated
thunderstorms early this afternoon. numerous showers with isolated
thunderstorms late.
.tonight...east winds 10 to 15 knots with gusts up to 25 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: northeast 4 feet
at 6 seconds and northeast 1 foot at 11 seconds.
.monday...east winds 5 to 10 knots, becoming northeast with gusts up
to 20 knots in the afternoon. 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 with gusts up to 25 knots.
seas 2 to 4 feet, occasionally to 5 feet. wave detail: northeast
2 feet at 6 seconds and northeast 1 foot at 10 seconds.
.tuesday...northeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: northeast 2 feet at 6 seconds and northeast 1 foot at
10 seconds. scattered 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 northeast 1 foot at
10 seconds.
.wednesday...east winds 5 to 10 knots. seas 2 to 3 feet. scattered
showers in the afternoon.
.wednesday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.thursday...east winds 5 to 10 knots. seas around 2 feet. scattered
showers in the afternoon.
.thursday night...east winds 5 to 10 knots. seas 2 to 3 feet.
scattered showers.
winds and seas higher in and near thunderstorms.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/16/2026 3:56 AM America/Puerto_Rico.
Valid through 8/16/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 160756
cwfsju
expires:202608162015;;278131
coastal waters forecast
national weather service san juan pr
356 am ast sun aug 16 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.
amz745-162015-
coastal waters of southwestern puerto rico out 10 nm-
356 am ast sun aug 16 2026
.today...east winds 5 to 10 knots, becoming southeast 10 to 15 knots
with gusts up to 25 knots this afternoon. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: northeast 3 feet at 6 seconds.
isolated showers this morning, then scattered showers this
afternoon. isolated thunderstorms late.
.tonight...east winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots after midnight. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: southeast 3 feet at 5 seconds
and north 1 foot at 5 seconds.
.monday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
southeast 2 feet at 6 seconds and north 1 foot at 5 seconds.
scattered showers in the afternoon.
.monday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 2 feet at 6 seconds and north 1 foot at 5 seconds.
.tuesday...east winds around 5 knots. seas around 2 feet. wave
detail: north 1 foot at 4 seconds and southeast 1 foot at 6 seconds.
scattered showers in the afternoon.
.tuesday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds.
.wednesday...east winds around 5 knots. seas around 2 feet.
scattered showers in the afternoon.
.wednesday night...east winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. seas around 2 feet.
.thursday...southeast winds 10 to 15 knots. seas around 2 feet.
scattered showers in the afternoon.
.thursday night...east winds 10 to 15 knots. seas around 2 feet.
winds and seas higher in and near thunderstorms.
$$
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