(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 4/20/2026 3:52 AM America/Puerto_Rico.
Valid through 4/20/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 200752
cwfsju
expires:202604202015;;680320
coastal waters forecast
national weather service san juan pr
352 am ast mon apr 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.
amz712-202015-
coastal waters of northern puerto rico out 10 nm-
352 am ast mon apr 20 2026
.today...east winds 10 to 15 knots with gusts up to 25 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: northeast 4 feet
at 8 seconds and northeast 2 feet at 12 seconds. isolated showers
until late afternoon, then scattered showers late.
.tonight...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
8 seconds and northeast 2 feet at 11 seconds.
.tuesday...east winds 10 to 15 knots. seas around 4 feet,
occasionally to 5 feet. wave detail: east 4 feet at 8 seconds and
northeast 2 feet at 11 seconds.
.tuesday night...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 3 feet at 8 seconds and
northeast 1 foot at 11 seconds. scattered showers after midnight.
.wednesday...northeast winds 5 to 10 knots. seas around 3 feet. wave
detail: east 3 feet at 8 seconds and northeast 1 foot at 10 seconds.
.wednesday night...east winds 5 to 10 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: north 5 feet at 10 seconds and
northeast 3 feet at 8 seconds.
.thursday...east winds 5 to 10 knots. seas 5 to 6 feet, occasionally
to 8 feet.
.thursday night...east winds 5 to 10 knots. seas 5 to 6 feet,
occasionally to 8 feet. scattered showers.
.friday...east winds 5 to 10 knots. seas 4 to 5 feet, occasionally
to 6 feet. numerous showers in the afternoon.
.friday night...east winds 5 to 10 knots. seas 4 to 5 feet,
occasionally to 6 feet.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 4/20/2026 3:52 AM America/Puerto_Rico.
Valid through 4/20/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 200752
cwfsju
expires:202604202015;;680325
coastal waters forecast
national weather service san juan pr
352 am ast mon apr 20 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz735-202015-
coastal waters of southern puerto rico out 10 nm-
352 am ast mon apr 20 2026
.today...east winds 10 to 15 knots with gusts up to 25 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet at
6 seconds. scattered showers early this morning, then isolated
showers late this morning and afternoon.
.tonight...east winds 10 to 15 knots with gusts up to 20 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet at
7 seconds. scattered showers after midnight.
.tuesday...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: east 4 feet at 7 seconds.
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: east 3 feet at 7 seconds.
.wednesday...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: east 2 feet at 6 seconds.
.wednesday night...northeast winds 5 to 10 knots. seas 2 to 3 feet.
wave detail: east 2 feet at 6 seconds.
.thursday...east winds 5 to 10 knots. seas around 2 feet. scattered
showers in the afternoon.
.thursday night...east winds 5 to 10 knots. seas around 2 feet.
.friday...east winds 5 to 10 knots. seas around 2 feet. scattered
showers in the afternoon.
.friday night...east winds 5 to 10 knots. seas around 2 feet.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 4/20/2026 3:52 AM America/Puerto_Rico.
Valid through 4/20/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 200752
cwfsju
expires:202604202015;;680326
coastal waters forecast
national weather service san juan pr
352 am ast mon apr 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.
amz741-202015-
mona passage southward to 17n-
352 am ast mon apr 20 2026
...small craft should exercise caution...
.today...east winds 15 to 20 knots, diminishing to 10 to 15 knots
this afternoon. seas 4 to 5 feet, occasionally to 6 feet. wave
detail: east 5 feet at 6 seconds and north 1 foot at 12 seconds.
scattered showers early this morning, then isolated showers late
this morning and afternoon.
.tonight...east winds 10 to 15 knots with gusts up to 20 knots. seas
around 4 feet, occasionally to 5 feet. wave detail: east 4 feet at
7 seconds and northeast 1 foot at 12 seconds. scattered showers in
the evening.
.tuesday...east winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots in the afternoon. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 4 feet at 7 seconds and
northeast 1 foot at 11 seconds.
.tuesday night...northeast winds 10 to 15 knots with gusts up to
20 knots. seas around 3 feet. wave detail: east 3 feet at 7 seconds
and northeast 1 foot at 11 seconds.
.wednesday...east winds 5 to 10 knots. seas around 3 feet. wave
detail: east 3 feet at 7 seconds and northeast 1 foot at 11 seconds.
scattered showers in the afternoon.
.wednesday night...northeast 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 and north 3 feet at 10 seconds.
.thursday...east winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. seas 4 to 5 feet, occasionally to 6 feet.
.thursday night...east winds 5 to 10 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.friday...east winds 5 to 10 knots. seas 3 to 5 feet, occasionally
to 6 feet. scattered showers in the afternoon.
.friday night...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 4/20/2026 3:52 AM America/Puerto_Rico.
Valid through 4/20/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 200752
cwfsju
expires:202604202015;;680327
coastal waters forecast
national weather service san juan pr
352 am ast mon apr 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.
amz742-202015-
coastal waters of northwestern puerto rico out 10 nm-
352 am ast mon apr 20 2026
.today...east winds 5 to 10 knots, diminishing to around 5 knots
early this afternoon, then becoming northeast late. seas 2 to
4 feet, occasionally to 5 feet. wave detail: northeast 3 feet at
6 seconds and northeast 2 feet at 12 seconds. scattered showers with
isolated thunderstorms early this afternoon. numerous showers with
isolated thunderstorms late.
.tonight...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
northeast 3 feet at 6 seconds and northeast 1 foot at 11 seconds.
scattered showers in the evening.
.tuesday...east winds 5 to 10 knots, becoming north in the
afternoon. seas 2 to 3 feet. wave detail: northeast 2 feet at
7 seconds and northeast 1 foot at 11 seconds. scattered showers in
the afternoon.
.tuesday night...northeast winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 3 feet. wave detail: northeast 2 feet at
6 seconds and northeast 1 foot at 11 seconds.
.wednesday...east winds 5 to 10 knots, becoming northeast 10 to
15 knots with gusts up to 20 knots in the afternoon. seas 2 to
3 feet. wave detail: northeast 2 feet at 4 seconds and northeast
1 foot at 11 seconds. scattered showers in the afternoon.
.wednesday night...northeast winds 10 to 15 knots with gusts up to
20 knots, becoming east 5 to 10 knots after midnight. seas 2 to
4 feet, occasionally to 5 feet. wave detail: north 3 feet at
10 seconds and northeast 2 feet at 4 seconds.
.thursday...northeast winds 5 to 10 knots. seas 4 to 6 feet,
occasionally to 8 feet. scattered showers in the afternoon.
.thursday night...east winds 5 to 10 knots. seas 3 to 5 feet,
occasionally to 6 feet. scattered showers.
.friday...east winds around 5 knots. seas 3 to 5 feet, occasionally
to 6 feet. scattered showers in the afternoon.
.friday night...east winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet.
winds and seas higher in and near thunderstorms.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 4/20/2026 3:52 AM America/Puerto_Rico.
Valid through 4/20/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 200752
cwfsju
expires:202604202015;;680328
coastal waters forecast
national weather service san juan pr
352 am ast mon apr 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.
amz745-202015-
coastal waters of southwestern puerto rico out 10 nm-
352 am ast mon apr 20 2026
.today...east winds 5 to 10 knots, becoming southeast 10 to 15 knots
with gusts up to 20 knots late this morning and early afternoon,
then becoming east 5 to 10 knots with gusts up to 20 knots late.
seas 2 to 3 feet. wave detail: southeast 2 feet at 6 seconds and
north 1 foot at 7 seconds. isolated showers early this afternoon.
scattered showers with isolated thunderstorms late.
.tonight...east winds 10 to 15 knots, diminishing to 5 to 10 knots
after midnight. seas 2 to 3 feet. wave detail: east 2 feet at
6 seconds and north 1 foot at 6 seconds. numerous showers in the
evening.
.tuesday...east winds 5 to 10 knots, becoming southeast in the
afternoon. seas around 2 feet. wave detail: southeast 2 feet at
6 seconds. scattered showers in the afternoon.
.tuesday night...northeast winds 5 to 10 knots. seas around 2 feet.
wave detail: northeast 2 feet at 6 seconds.
.wednesday...east winds around 5 knots, becoming north with gusts up
to 20 knots in the afternoon. seas around 2 feet. wave detail: north
1 foot at 3 seconds and southeast 1 foot at 5 seconds. scattered
showers in the afternoon.
.wednesday night...northeast winds 5 to 10 knots. seas around
2 feet. wave detail: east 2 feet at 5 seconds and northwest 2 feet
at 8 seconds.
.thursday...east winds 5 to 10 knots, becoming northeast in the
afternoon. seas 2 to 4 feet, occasionally to 5 feet. scattered
showers in the afternoon.
.thursday night...east winds around 5 knots. seas 2 to 4 feet,
occasionally to 5 feet.
.friday...southeast winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. scattered showers in the afternoon.
.friday night...east winds 5 to 10 knots. seas 2 to 3 feet.
winds and seas higher in and near thunderstorms.
$$
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