(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 5/21/2026 4:09 PM America/Puerto_Rico.
Valid through 5/22/2026 6:00 AM America/Puerto_Rico.
fzca52 tjsj 212009
cwfsju
expires:202605221000;;417848
coastal waters forecast
national weather service san juan pr
409 pm ast thu may 21 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.
amz712-221000-
coastal waters of northern puerto rico out 10 nm-
409 pm ast thu may 21 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. scattered showers early
this evening, then isolated showers late this evening and early
morning. scattered showers late.
.friday...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:
northeast 5 feet at 8 seconds. scattered showers.
.friday 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.
.saturday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. gusts up to 30 knots. seas 4 to 5 feet,
occasionally to 6 feet. wave detail: northeast 5 feet at 8 seconds
and northeast 1 foot at 12 seconds.
.saturday 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 7 seconds and northeast 1 foot at
11 seconds.
.sunday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. gusts up to 30 knots. seas 4 to 5 feet, occasionally
to 6 feet. wave detail: northeast 5 feet at 7 seconds and northeast
1 foot at 10 seconds. scattered showers.
.sunday 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. scattered showers.
.monday...east winds 15 to 20 knots, increasing to 20 to 25 knots in
the afternoon. seas 4 to 6 feet, occasionally to 8 feet. scattered
showers.
.monday night...east winds 15 to 20 knots. seas 5 to 6 feet,
occasionally to 8 feet. scattered showers.
.tuesday...east winds 15 to 20 knots. seas 5 to 6 feet, occasionally
to 8 feet. scattered showers.
.tuesday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 5 to 6 feet, occasionally to 8 feet.
scattered showers.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 5/21/2026 4:09 PM America/Puerto_Rico.
Valid through 5/22/2026 6:00 AM America/Puerto_Rico.
fzca52 tjsj 212009
cwfsju
expires:202605221000;;417853
coastal waters forecast
national weather service san juan pr
409 pm ast thu may 21 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.
amz735-221000-
coastal waters of southern puerto rico out 10 nm-
409 pm ast thu may 21 2026
...small craft should exercise caution...
.tonight...east winds 15 to 20 knots with gusts up to 25 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: southeast 4 feet
at 7 seconds. isolated showers until early morning, then numerous
showers late.
.friday...east winds around 15 knots with gusts up to 25 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: southeast 4 feet
at 6 seconds.
.friday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 5 feet, occasionally to 6 feet. wave detail: southeast
4 feet at 7 seconds.
.saturday...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 5 feet, occasionally to 6 feet. wave detail: southeast
4 feet at 7 seconds.
.saturday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 3 to 5 feet, occasionally to 6 feet. wave detail:
southeast 4 feet at 7 seconds.
.sunday...east winds 15 to 20 knots with gusts up to 25 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: southeast 4 feet
at 7 seconds. scattered showers in the afternoon.
.sunday night...east winds 15 to 20 knots with gusts up to 25 knots.
seas 3 to 5 feet, occasionally to 6 feet.
.monday...east winds 15 to 20 knots. seas 3 to 5 feet, occasionally
to 6 feet.
.monday night...east winds 15 to 20 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.tuesday...east winds 15 to 20 knots. seas 4 to 5 feet, occasionally
to 6 feet. scattered showers.
.tuesday night...east winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet. scattered showers.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 5/21/2026 4:09 PM America/Puerto_Rico.
Valid through 5/22/2026 6:00 AM America/Puerto_Rico.
fzca52 tjsj 212009
cwfsju
expires:202605221000;;417854
coastal waters forecast
national weather service san juan pr
409 pm ast thu may 21 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.
amz741-221000-
mona passage southward to 17n-
409 pm ast thu may 21 2026
...small craft should exercise caution...
.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. isolated showers.
.friday...east winds 15 to 20 knots with gusts up to 25 knots. seas
4 to 6 feet, occasionally to 8 feet. wave detail: east 4 feet at
7 seconds.
.friday 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.
.saturday...east winds 15 to 20 knots with gusts up to 25 knots.
seas 4 to 5 feet, occasionally to 6 feet. wave detail: east 4 feet
at 7 seconds.
.saturday 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 4 feet at 7 seconds. scattered showers in the evening.
.sunday...east winds 15 to 20 knots with gusts up to 25 knots. seas
4 to 6 feet, occasionally to 8 feet. wave detail: east 4 feet at
7 seconds.
.sunday night...east winds 15 to 20 knots with gusts up to 30 knots.
seas 4 to 6 feet, occasionally to 8 feet. scattered showers.
.monday...east winds 15 to 20 knots. seas 4 to 6 feet, occasionally
to 8 feet.
.monday night...east winds 15 to 20 knots. seas 5 to 6 feet,
occasionally to 8 feet. scattered showers.
.tuesday...east winds 15 to 20 knots. seas 5 to 6 feet, occasionally
to 8 feet. scattered showers.
.tuesday night...east winds 15 to 20 knots. seas 5 to 6 feet,
occasionally to 8 feet. scattered showers.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 5/21/2026 4:09 PM America/Puerto_Rico.
Valid through 5/22/2026 6:00 AM America/Puerto_Rico.
fzca52 tjsj 212009
cwfsju
expires:202605221000;;417855
coastal waters forecast
national weather service san juan pr
409 pm ast thu may 21 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.
amz742-221000-
coastal waters of northwestern puerto rico out 10 nm-
409 pm ast thu may 21 2026
.tonight...east winds around 5 knots, increasing to 5 to 10 knots
late this evening and overnight. seas 2 to 4 feet, occasionally to
5 feet. wave detail: northeast 3 feet at 7 seconds and south 1 foot
at 7 seconds. scattered showers early this evening, then isolated
showers late this evening and overnight.
.friday...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: northeast 3 feet at 7 seconds and south
1 foot at 6 seconds. numerous showers in the afternoon.
.friday night...east winds 5 to 10 knots with gusts up to 20 knots.
seas 2 to 4 feet, occasionally to 5 feet. wave detail: northeast
3 feet at 6 seconds and south 1 foot at 7 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 4 feet,
occasionally to 5 feet. wave detail: northeast 3 feet at 6 seconds
and south 1 foot at 7 seconds. numerous 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 3 feet at 6 seconds and south 1 foot at 7 seconds.
scattered showers in the evening.
.sunday...east winds 10 to 15 knots with gusts up to 25 knots. seas
2 to 4 feet, occasionally to 5 feet. wave detail: northeast 3 feet
at 6 seconds and southeast 1 foot at 7 seconds. numerous showers in
the afternoon.
.sunday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 2 to 4 feet, occasionally to 5 feet.
.monday...east winds 10 to 15 knots. seas 2 to 4 feet, occasionally
to 5 feet. numerous showers in the afternoon.
.monday 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.
.tuesday...east winds 10 to 15 knots. seas 2 to 4 feet, occasionally
to 5 feet. numerous showers in the afternoon.
.tuesday 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.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 5/21/2026 4:09 PM America/Puerto_Rico.
Valid through 5/22/2026 6:00 AM America/Puerto_Rico.
fzca52 tjsj 212009
cwfsju
expires:202605221000;;417856
coastal waters forecast
national weather service san juan pr
409 pm ast thu may 21 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.
amz745-221000-
coastal waters of southwestern puerto rico out 10 nm-
409 pm ast thu may 21 2026
.tonight...east winds 10 to 15 knots with gusts up to 25 knots. seas
2 to 3 feet. wave detail: southeast 3 feet at 6 seconds. isolated
showers.
.friday...east winds 10 to 15 knots with gusts up to 25 knots. seas
2 to 3 feet. wave detail: southeast 3 feet at 6 seconds. scattered
showers in the afternoon.
.friday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 3 feet at 6 seconds.
.saturday...east winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. seas 2 to 3 feet. wave
detail: southeast 2 feet at 7 seconds. scattered showers in the
afternoon.
.saturday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 2 feet at 6 seconds.
.sunday...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: southeast 2 feet at 6 seconds. scattered showers in the
afternoon.
.sunday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.monday...east winds 5 to 10 knots, increasing to 15 to 20 knots in
the afternoon. seas 2 to 3 feet. scattered showers in the afternoon.
.monday night...east winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet.
.tuesday...east winds 10 to 15 knots. seas 2 to 3 feet. scattered
showers in the afternoon.
.tuesday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet. scattered showers.
$$
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