(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/20/2026 4:11 AM America/Puerto_Rico.
Valid through 7/20/2026 4:30 PM America/Puerto_Rico.
fzca52 tjsj 200811
cwfsju
expires:202607202030;;279546
coastal waters forecast
national weather service san juan pr
411 am ast mon jul 20 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.
amz712-202030-
coastal waters of northern puerto rico out 10 nm-
411 am ast mon jul 20 2026
...small craft should exercise caution...
.today...east winds 10 to 15 knots, increasing to 15 to 20 knots
this afternoon. seas around 4 feet, occasionally to 5 feet. wave
detail: east 4 feet at 7 seconds. isolated showers until late
afternoon.
.tonight...east winds 10 to 15 knots, diminishing to 5 to 10 knots
after midnight. seas 3 to 4 feet, occasionally to 5 feet. wave
detail: northeast 4 feet at 7 seconds.
.tuesday...northeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. seas around 3 feet. wave detail:
northeast 3 feet at 7 seconds. scattered showers.
.tuesday night...east winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. seas around
3 feet. wave detail: northeast 3 feet at 7 seconds. scattered
showers after midnight.
.wednesday...east winds 10 to 15 knots with gusts up to 20 knots.
seas around 3 feet. wave detail: northeast 3 feet at 7 seconds.
scattered showers in the afternoon.
.wednesday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 3 to 4 feet, occasionally to 5 feet. wave detail:
northeast 3 feet at 7 seconds.
.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.
.thursday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.friday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 3 to 4 feet, occasionally to 5 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.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/20/2026 4:11 AM America/Puerto_Rico.
Valid through 7/20/2026 4:30 PM America/Puerto_Rico.
fzca52 tjsj 200811
cwfsju
expires:202607202030;;279551
coastal waters forecast
national weather service san juan pr
411 am ast mon jul 20 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.
amz735-202030-
coastal waters of southern puerto rico out 10 nm-
411 am ast mon jul 20 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 3 to 5 feet, occasionally to 6 feet. wave detail:
east 4 feet at 7 seconds. isolated showers.
.tonight...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 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots in the afternoon. seas 2 to
3 feet. wave detail: southeast 3 feet at 7 seconds. scattered
showers in the afternoon.
.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: east 2 feet at 6 seconds. scattered showers in
the evening.
.wednesday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: southeast 3 feet at 5 seconds.
scattered showers in the morning.
.wednesday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 4 feet, occasionally to 5 feet. wave detail:
east 3 feet at 5 seconds. scattered showers.
.thursday...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.thursday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.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 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/20/2026 4:11 AM America/Puerto_Rico.
Valid through 7/20/2026 4:30 PM America/Puerto_Rico.
fzca52 tjsj 200811
cwfsju
expires:202607202030;;279552
coastal waters forecast
national weather service san juan pr
411 am ast mon jul 20 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.
amz741-202030-
mona passage southward to 17n-
411 am ast mon jul 20 2026
.today...east winds 10 to 15 knots with gusts up to 20 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet at
7 seconds. isolated showers.
.tonight...east winds 10 to 15 knots with gusts up to 20 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: east 4 feet at
7 seconds.
.tuesday...northeast 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 night...east winds 10 to 15 knots with gusts up to
20 knots. seas 3 to 4 feet, occasionally to 5 feet. wave detail:
northeast 3 feet at 6 seconds. scattered showers after midnight.
.wednesday...east winds 10 to 15 knots with gusts up to 20 knots.
seas around 3 feet. wave detail: east 3 feet at 6 seconds. scattered
showers in the morning.
.wednesday 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.
.thursday...southeast winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.thursday night...east winds 10 to 15 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. seas 4 to 5 feet,
occasionally to 6 feet.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/20/2026 4:11 AM America/Puerto_Rico.
Valid through 7/20/2026 4:30 PM America/Puerto_Rico.
fzca52 tjsj 200811
cwfsju
expires:202607202030;;279553
coastal waters forecast
national weather service san juan pr
411 am ast mon jul 20 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.
amz742-202030-
coastal waters of northwestern puerto rico out 10 nm-
411 am ast mon jul 20 2026
.today...east winds 10 to 15 knots, becoming northeast 5 to 10 knots
late this morning, then increasing to 10 to 15 knots early this
afternoon, diminishing to 5 to 10 knots late. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: northeast 3 feet at 7 seconds
and south 1 foot at 5 seconds. isolated showers late this morning.
scattered showers early this afternoon, then isolated showers late.
.tonight...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 3 feet. wave detail: northeast 3 feet at 7 seconds.
.tuesday...northeast winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: east 3 feet at 6 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: east 2 feet at 5 seconds.
.wednesday...southeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: northeast 2 feet at 5 seconds and southeast 1 foot at
5 seconds. scattered showers in the afternoon.
.wednesday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: northeast 2 feet at 6 seconds and south 1 foot at 5 seconds.
.thursday...east winds 5 to 10 knots. seas 2 to 3 feet. numerous
showers in the afternoon.
.thursday night...southeast winds around 5 knots, becoming east
after midnight. seas 2 to 3 feet.
.friday...east winds 5 to 10 knots, becoming northeast 10 to
15 knots in the afternoon. seas 2 to 3 feet. scattered showers in
the afternoon.
.friday night...east winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/20/2026 4:11 AM America/Puerto_Rico.
Valid through 7/20/2026 4:30 PM America/Puerto_Rico.
fzca52 tjsj 200811
cwfsju
expires:202607202030;;279554
coastal waters forecast
national weather service san juan pr
411 am ast mon jul 20 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.
amz745-202030-
coastal waters of southwestern puerto rico out 10 nm-
411 am ast mon jul 20 2026
.today...east winds around 5 knots, becoming southeast around
5 knots this afternoon. seas 2 to 3 feet. wave detail: southeast
2 feet at 7 seconds. isolated showers late this morning. scattered
showers this afternoon.
.tonight...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
southeast 2 feet at 7 seconds and east 1 foot at 4 seconds. numerous
showers in the evening.
.tuesday...northeast winds around 5 knots, becoming south around
5 knots in the afternoon. seas around 2 feet. wave detail: northeast
1 foot at 5 seconds. scattered showers in the afternoon.
.tuesday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: south 2 feet at 5 seconds.
.wednesday...southeast winds 10 to 15 knots with gusts up to
20 knots. seas around 2 feet. wave detail: south 2 feet at
5 seconds.
.wednesday night...east winds 10 to 15 knots with gusts up to
20 knots. seas around 2 feet. wave detail: southeast 2 feet at
5 seconds.
.thursday...southeast winds 10 to 15 knots. seas 2 to 3 feet.
.thursday night...east winds 10 to 15 knots. seas 2 to 3 feet.
.friday...east winds 5 to 10 knots. 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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