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(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 5/17/2026 1:56 PM America/Puerto_Rico.
Valid through 5/18/2026 2:15 AM America/Puerto_Rico.
fzca52 tjsj 171756
cwfsju
expires:202605180615;;720329
coastal waters forecast
national weather service san juan pr
156 pm ast sun may 17 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.
amz712-180615-
coastal waters of northern puerto rico out 10 nm-
156 pm ast sun may 17 2026
...small craft should exercise caution...
.rest of today...east winds 15 to 20 knots with gusts up to
30 knots. seas around 5 feet, occasionally to 6 feet. wave detail:
east 5 feet at 6 seconds and northeast 2 feet at 11 seconds.
scattered showers. isolated thunderstorms late.
.tonight...east winds 15 to 20 knots, diminishing to 10 to 15 knots
after midnight. gusts up to 30 knots. seas 5 to 6 feet, occasionally
to 8 feet. wave detail: east 5 feet at 7 seconds and northeast
2 feet at 11 seconds.
.monday...east winds 15 to 20 knots with gusts up to 30 knots. seas
5 to 6 feet, occasionally to 8 feet. wave detail: east 5 feet at
7 seconds and northeast 2 feet at 10 seconds. scattered showers in
the morning.
.monday night...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: east 5 feet at 8 seconds and north 1 foot at 8 seconds.
scattered showers in the evening.
.tuesday...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: northeast 5 feet at 8 seconds and north 1 foot at 8 seconds.
scattered showers in the afternoon.
.tuesday night...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 5 feet at 8 seconds and north 1 foot at
7 seconds. scattered showers in the evening.
.wednesday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 4 to 5 feet, occasionally to 6 feet.
scattered showers.
.wednesday night...east winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet. scattered showers.
.thursday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 4 to 5 feet, occasionally to 6 feet.
scattered showers in the afternoon.
.thursday night...east winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet. scattered showers.
winds and seas higher in and near thunderstorms.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 5/17/2026 1:56 PM America/Puerto_Rico.
Valid through 5/18/2026 2:15 AM America/Puerto_Rico.
fzca52 tjsj 171756
cwfsju
expires:202605180615;;720334
coastal waters forecast
national weather service san juan pr
156 pm ast sun may 17 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.
amz735-180615-
coastal waters of southern puerto rico out 10 nm-
156 pm ast sun may 17 2026
.rest of today...east winds around 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. isolated showers.
.tonight...east winds 15 to 20 knots with gusts up to 25 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet at
7 seconds. scattered showers after midnight.
.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 7 seconds. scattered showers in the morning.
.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 7 seconds.
.tuesday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 3 to 5 feet, occasionally to 6 feet. wave
detail: east 4 feet at 7 seconds.
.tuesday 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 7 seconds. scattered showers.
.wednesday...east winds 15 to 20 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers in the morning.
.wednesday night...east winds 15 to 20 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered 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 in the morning.
.thursday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 5/17/2026 1:56 PM America/Puerto_Rico.
Valid through 5/18/2026 2:15 AM America/Puerto_Rico.
fzca52 tjsj 171756
cwfsju
expires:202605180615;;720335
coastal waters forecast
national weather service san juan pr
156 pm ast sun may 17 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.
amz741-180615-
mona passage southward to 17n-
156 pm ast sun may 17 2026
...small craft should exercise caution...
.rest of today...east winds 15 to 20 knots, diminishing to 10 to
15 knots late. seas 5 to 6 feet, occasionally to 8 feet. wave
detail: east 5 feet at 7 seconds and northeast 1 foot at 11 seconds.
scattered showers with isolated thunderstorms.
.tonight...east winds 15 to 20 knots with gusts up to 25 knots. seas
4 to 6 feet, occasionally to 8 feet. wave detail: east 5 feet at
7 seconds and northeast 1 foot at 11 seconds. scattered showers in
the evening.
.monday...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 and northeast 1 foot at 11 seconds. scattered showers in
the afternoon.
.monday night...east winds 15 to 20 knots with gusts up to 25 knots.
seas 4 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet
at 7 seconds. scattered showers.
.tuesday...east winds 15 to 20 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 north 1 foot at 8 seconds. scattered showers in the
morning.
.tuesday 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 north 1 foot at 8 seconds.
.wednesday...east winds 15 to 20 knots. seas 4 to 5 feet,
occasionally to 6 feet. scattered showers in the morning.
.wednesday night...east winds 15 to 20 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.thursday...east winds 15 to 20 knots. seas 4 to 5 feet,
occasionally to 6 feet. scattered showers in the afternoon.
.thursday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. seas 4 to 5 feet, occasionally to 6 feet.
winds and seas higher in and near thunderstorms.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 5/17/2026 1:56 PM America/Puerto_Rico.
Valid through 5/18/2026 2:15 AM America/Puerto_Rico.
fzca52 tjsj 171756
cwfsju
expires:202605180615;;720336
coastal waters forecast
national weather service san juan pr
156 pm ast sun may 17 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.
amz742-180615-
coastal waters of northwestern puerto rico out 10 nm-
156 pm ast sun may 17 2026
.rest of today...northeast winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: east 2 feet at 6 seconds and
northeast 1 foot at 11 seconds. numerous showers with isolated
thunderstorms.
.tonight...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: east 3 feet at 6 seconds and northeast
1 foot at 11 seconds. scattered showers in the evening.
.monday...east winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 25 knots in the afternoon. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: northeast 3 feet at 7 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 7 seconds.
scattered showers in the evening.
.tuesday...east winds 5 to 10 knots, diminishing to around 5 knots
in the afternoon. seas 2 to 4 feet, occasionally to 5 feet. wave
detail: northeast 3 feet at 7 seconds and north 1 foot at 9 seconds.
scattered showers in the afternoon.
.tuesday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 4 feet, occasionally to 5 feet. wave detail:
northeast 3 feet at 7 seconds. scattered showers in the evening.
.wednesday...east winds 5 to 10 knots, diminishing to around 5 knots
in the afternoon. seas 2 to 4 feet, occasionally to 5 feet. numerous
showers in the afternoon.
.wednesday night...east winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. seas 2 to 3 feet. scattered showers.
.thursday...east winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. seas 2 to 3 feet. numerous 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 5/17/2026 1:56 PM America/Puerto_Rico.
Valid through 5/18/2026 2:15 AM America/Puerto_Rico.
fzca52 tjsj 171756
cwfsju
expires:202605180615;;720337
coastal waters forecast
national weather service san juan pr
156 pm ast sun may 17 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.
amz745-180615-
coastal waters of southwestern puerto rico out 10 nm-
156 pm ast sun may 17 2026
.rest of today...southeast winds 10 to 15 knots with gusts up to
25 knots. seas 2 to 4 feet, occasionally to 5 feet. wave detail:
southeast 3 feet at 6 seconds. isolated thunderstorms. scattered
showers early this afternoon, then numerous showers late.
.tonight...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 4 feet, occasionally to 5 feet. wave detail: southeast 3 feet
at 6 seconds. scattered showers in the evening.
.monday...east winds 10 to 15 knots with gusts up to 25 knots. seas
2 to 4 feet, occasionally to 5 feet. wave detail: southeast 3 feet
at 6 seconds. scattered showers in the afternoon.
.monday night...east winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots after midnight. seas 2 to 3 feet. wave
detail: southeast 2 feet at 6 seconds. scattered showers in the
evening.
.tuesday...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.
.tuesday night...east winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. seas 2 to
3 feet. wave detail: southeast 2 feet at 6 seconds and northwest
1 foot at 7 seconds.
.wednesday...east winds 10 to 15 knots. seas 2 to 3 feet.
.wednesday night...east winds 10 to 15 knots. seas 2 to 3 feet.
.thursday...east winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. seas 2 to 3 feet.
.thursday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet.
winds and seas higher in and near thunderstorms.
$$
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