(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/16/2026 5:09 PM America/Puerto_Rico.
Valid through 8/17/2026 5:45 AM America/Puerto_Rico.
fzca52 tjsj 162109
cwfsju
expires:202608170945;;310277
coastal waters forecast
national weather service san juan pr
509 pm 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.
amz712-170945-
coastal waters of northern puerto rico out 10 nm-
509 pm ast sun aug 16 2026
...small craft should exercise caution...
.tonight...east winds 15 to 20 knots with gusts up to 30 knots,
diminishing to 10 to 15 knots with gusts up to 25 knots late this
evening and overnight. seas 4 to 6 feet, occasionally to 8 feet.
wave detail: northeast 5 feet at 8 seconds and northeast 1 foot at
11 seconds. isolated showers.
.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 4 feet
at 8 seconds and northeast 1 foot at 10 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
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 with gusts up to 20 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: east 3 feet
at 8 seconds and north 1 foot at 9 seconds. scattered showers in the
afternoon.
.wednesday night...east winds 5 to 10 knots. seas around 3 feet.
numerous showers.
.thursday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 3 to 5 feet, occasionally to 6 feet.
scattered showers.
.thursday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
scattered showers.
.friday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 3 to 5 feet, occasionally to 6 feet.
.friday night...east winds 15 to 20 knots. seas 4 to 5 feet,
occasionally to 6 feet.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/16/2026 5:09 PM America/Puerto_Rico.
Valid through 8/17/2026 5:45 AM America/Puerto_Rico.
fzca52 tjsj 162109
cwfsju
expires:202608170945;;310282
coastal waters forecast
national weather service san juan pr
509 pm 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.
amz735-170945-
coastal waters of southern puerto rico out 10 nm-
509 pm ast sun aug 16 2026
...small craft advisory in effect until 6 pm ast this evening...
.tonight...east winds 10 to 15 knots with gusts up to 25 knots. seas
4 to 6 feet, occasionally to 8 feet. wave detail: east 6 feet at
8 seconds. isolated showers late this evening and early morning.
.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 4 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, increasing to 15 to 20 knots
in the afternoon. seas 3 to 4 feet, occasionally to 5 feet. wave
detail: east 3 feet at 6 seconds.
.tuesday night...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 6 seconds.
.wednesday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: east 3 feet at 6 seconds.
.wednesday night...east winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. seas 2 to 3 feet.
.thursday...east winds 15 to 20 knots. seas 2 to 4 feet,
occasionally to 5 feet. numerous showers, mainly in the morning.
.thursday night...east winds 15 to 20 knots. seas 3 to 5 feet,
occasionally to 6 feet.
.friday...east winds 10 to 15 knots. seas 4 to 5 feet, occasionally
to 6 feet.
.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.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/16/2026 5:09 PM America/Puerto_Rico.
Valid through 8/17/2026 5:45 AM America/Puerto_Rico.
fzca52 tjsj 162109
cwfsju
expires:202608170945;;310283
coastal waters forecast
national weather service san juan pr
509 pm 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.
amz741-170945-
mona passage southward to 17n-
509 pm ast sun aug 16 2026
...small craft advisory in effect until midnight ast tonight...
.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. isolated showers.
.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 7 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 4 feet, occasionally to 5 feet. wave detail: southeast 4 feet
at 7 seconds and northeast 1 foot at 10 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:
southeast 4 feet at 6 seconds and northeast 1 foot at 9 seconds.
.wednesday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: southeast
4 feet at 6 seconds.
.wednesday night...east winds 10 to 15 knots with gusts up to
20 knots. seas around 3 feet.
.thursday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 3 to 5 feet, occasionally to 6 feet.
.thursday night...east winds 15 to 20 knots. seas 3 to 5 feet,
occasionally to 6 feet. scattered showers.
.friday...east winds 15 to 20 knots. seas 4 to 6 feet, occasionally
to 8 feet.
.friday night...east winds 15 to 20 knots. seas 4 to 6 feet,
occasionally to 8 feet.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/16/2026 5:09 PM America/Puerto_Rico.
Valid through 8/17/2026 5:45 AM America/Puerto_Rico.
fzca52 tjsj 162109
cwfsju
expires:202608170945;;310284
coastal waters forecast
national weather service san juan pr
509 pm 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.
amz742-170945-
coastal waters of northwestern puerto rico out 10 nm-
509 pm ast sun aug 16 2026
...small craft should exercise caution...
.tonight...northeast winds 10 to 15 knots with gusts up to 25 knots,
becoming east 15 to 20 knots with gusts up to 25 knots late this
evening, then diminishing to 10 to 15 knots with gusts up to
25 knots after midnight, diminishing to 5 to 10 knots late. seas
3 to 5 feet, occasionally to 6 feet. wave detail: northeast 4 feet
at 7 seconds and south 1 foot at 5 seconds.
.monday...east winds 5 to 10 knots, becoming northeast 10 to
15 knots 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 south 1 foot at 6 seconds. scattered 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: east 2 feet
at 5 seconds and northeast 1 foot at 10 seconds.
.tuesday...northeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 1 foot at 5 seconds and northeast 1 foot at
10 seconds. scattered showers in the afternoon.
.tuesday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 3 feet. wave detail: southeast 1 foot at
5 seconds and northeast 1 foot at 10 seconds.
.wednesday...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 1 foot at 5 seconds and northeast 1 foot at
9 seconds. numerous showers in the afternoon.
.wednesday night...east winds 5 to 10 knots. seas around 2 feet.
.thursday...east winds 5 to 10 knots. seas 2 to 3 feet. scattered
showers in the afternoon.
.thursday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 4 feet, occasionally to 5 feet.
scattered showers.
.friday...east winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. 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 2 to 4 feet, occasionally to 5 feet.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/16/2026 5:09 PM America/Puerto_Rico.
Valid through 8/17/2026 5:45 AM America/Puerto_Rico.
fzca52 tjsj 162109
cwfsju
expires:202608170945;;310285
coastal waters forecast
national weather service san juan pr
509 pm 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.
amz745-170945-
coastal waters of southwestern puerto rico out 10 nm-
509 pm ast sun aug 16 2026
.tonight...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
east 1 foot at 4 seconds and north 1 foot at 5 seconds.
.monday...east winds around 5 knots. seas 2 to 3 feet. wave detail:
north 1 foot at 5 seconds and southeast 1 foot at 6 seconds.
.monday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 6 seconds and north 1 foot at 5 seconds.
.tuesday...east winds around 5 knots, becoming south in the
afternoon. seas around 2 feet. wave detail: north 1 foot at
4 seconds and southeast 1 foot at 5 seconds. scattered showers in
the afternoon.
.tuesday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 1 foot at 5 seconds.
.wednesday...east winds around 5 knots, becoming southeast in the
afternoon. seas around 2 feet. wave detail: north 1 foot at
4 seconds and southeast 1 foot at 5 seconds. scattered showers in
the afternoon.
.wednesday night...east winds around 10 knots. seas around 2 feet.
.thursday...east winds 10 to 15 knots. seas 2 to 3 feet. scattered
showers in the afternoon.
.thursday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 2 to 3 feet.
.friday...east winds 5 to 10 knots, becoming southeast in the
afternoon. seas 2 to 3 feet. scattered showers in the afternoon.
.friday night...east winds 5 to 10 knots. seas 2 to 3 feet.
$$
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