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(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 4/27/2026 3:40 PM America/Puerto_Rico.
Valid through 4/28/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 271940
cwfsju
expires:202604280815;;628602
coastal waters forecast
national weather service san juan pr
340 pm ast mon apr 27 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.
amz712-280815-
coastal waters of northern puerto rico out 10 nm-
340 pm ast mon apr 27 2026
.tonight...southeast winds 5 to 10 knots, diminishing to around
5 knots after midnight. seas 3 to 4 feet, occasionally to 5 feet.
wave detail: northeast 3 feet at 14 seconds and northeast 2 feet at
7 seconds. scattered showers until early morning. isolated
thunderstorms after midnight. isolated showers late.
.tuesday...east winds around 5 knots, increasing to 5 to 10 knots in
the afternoon. seas around 3 feet. wave detail: northeast 3 feet at
13 seconds and northeast 2 feet at 7 seconds. scattered showers in
the morning, then showers in the afternoon.
.tuesday night...east winds around 5 knots. seas around 3 feet. wave
detail: northeast 3 feet at 12 seconds and east 1 foot at 7 seconds.
numerous showers, mainly in the evening.
.wednesday...east winds 5 to 10 knots. seas around 3 feet. wave
detail: northeast 3 feet at 12 seconds and east 1 foot at 6 seconds.
scattered showers.
.wednesday night...east winds 5 to 10 knots with gusts up to
20 knots. seas around 3 feet. wave detail: northeast 3 feet at
11 seconds and east 2 feet at 4 seconds. scattered showers.
.thursday...east winds 5 to 10 knots. seas around 3 feet. wave
detail: northeast 2 feet at 4 seconds and north 2 feet at
11 seconds. scattered showers.
.thursday night...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.friday...east winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. seas around 4 feet, occasionally to 5 feet. scattered
showers in the afternoon.
.friday night...east winds 5 to 10 knots. seas around 4 feet,
occasionally to 5 feet.
.saturday...east winds 10 to 15 knots. seas around 4 feet,
occasionally to 5 feet. scattered showers in the afternoon.
.saturday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 3 to 4 feet, occasionally to 5 feet.
scattered showers.
winds and seas higher in and near thunderstorms.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 4/27/2026 3:40 PM America/Puerto_Rico.
Valid through 4/28/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 271940
cwfsju
expires:202604280815;;628607
coastal waters forecast
national weather service san juan pr
340 pm ast mon apr 27 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz735-280815-
coastal waters of southern puerto rico out 10 nm-
340 pm ast mon apr 27 2026
.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 6 seconds. numerous showers with
isolated thunderstorms.
.tuesday...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 6 seconds. numerous showers, mainly in
the morning.
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 2 feet at 6 seconds. scattered showers in the
evening, then numerous showers after midnight.
.wednesday...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 3 feet at 6 seconds. scattered showers in the
afternoon.
.wednesday night...east winds 5 to 10 knots. seas around 2 feet.
wave detail: southeast 2 feet at 6 seconds. scattered showers.
.thursday...east winds 5 to 10 knots. seas around 2 feet. wave
detail: east 2 feet at 6 seconds. scattered showers.
.thursday night...east winds 5 to 10 knots. seas around 2 feet.
.friday...east winds 5 to 10 knots. seas 2 to 3 feet. scattered
showers in the afternoon.
.friday night...east winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. seas 2 to 3 feet.
.saturday...east winds 10 to 15 knots. seas 2 to 3 feet.
.saturday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
winds and seas higher in and near thunderstorms.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 4/27/2026 3:40 PM America/Puerto_Rico.
Valid through 4/28/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 271940
cwfsju
expires:202604280815;;628608
coastal waters forecast
national weather service san juan pr
340 pm ast mon apr 27 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.
amz741-280815-
mona passage southward to 17n-
340 pm ast mon apr 27 2026
.tonight...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
southeast 3 feet at 6 seconds and north 2 feet at 11 seconds.
isolated thunderstorms. scattered showers until early morning, then
numerous showers late.
.tuesday...east winds 5 to 10 knots. seas around 3 feet. wave
detail: southeast 3 feet at 6 seconds and north 2 feet at
14 seconds. numerous showers, mainly in the morning.
.tuesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: southeast 3 feet at 6 seconds
and north 2 feet at 12 seconds. scattered showers.
.wednesday...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 3 feet at 6 seconds and
north 2 feet at 11 seconds. scattered showers.
.wednesday night...east winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 3 feet at 6 seconds and
north 2 feet at 11 seconds. scattered showers.
.thursday...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 6 seconds and north 2 feet at 10 seconds. scattered showers.
.thursday night...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.friday...east winds 10 to 15 knots. seas 3 to 4 feet, occasionally
to 5 feet. scattered showers in the afternoon.
.friday night...east winds 10 to 15 knots. seas around 4 feet,
occasionally to 5 feet.
.saturday...east winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet. scattered showers in the morning.
.saturday night...east winds 10 to 15 knots. 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 4/27/2026 3:40 PM America/Puerto_Rico.
Valid through 4/28/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 271940
cwfsju
expires:202604280815;;628609
coastal waters forecast
national weather service san juan pr
340 pm ast mon apr 27 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.
amz742-280815-
coastal waters of northwestern puerto rico out 10 nm-
340 pm ast mon apr 27 2026
.tonight...east winds around 5 knots. seas 2 to 3 feet. wave detail:
east 2 feet at 5 seconds and northeast 2 feet at 14 seconds.
scattered showers this evening, then numerous showers with isolated
thunderstorms after midnight. scattered showers late.
.tuesday...east winds around 5 knots, becoming northeast in the
afternoon. seas 2 to 3 feet. wave detail: north 3 feet at 13 seconds
and southeast 2 feet at 4 seconds. scattered showers in the morning,
then numerous showers in the afternoon.
.tuesday night...northeast winds around 5 knots. seas 2 to 3 feet.
wave detail: north 3 feet at 12 seconds and south 1 foot at
5 seconds. scattered showers in the evening.
.wednesday...northeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: north 3 feet at 11 seconds and south 1 foot at 6 seconds.
numerous showers in the afternoon.
.wednesday night...northeast winds 5 to 10 knots, becoming east
10 to 15 knots with gusts up to 20 knots after midnight. seas 2 to
3 feet. wave detail: north 3 feet at 11 seconds and southeast 2 feet
at 6 seconds. scattered showers.
.thursday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
northeast 2 feet at 4 seconds and north 2 feet at 10 seconds.
numerous showers in the afternoon.
.thursday night...east winds 5 to 10 knots. seas 2 to 3 feet.
scattered showers.
.friday...east winds around 5 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 4 feet,
occasionally to 5 feet.
.saturday...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. scattered showers in the afternoon.
.saturday night...east winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. scattered showers.
winds and seas higher in and near thunderstorms.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 4/27/2026 3:40 PM America/Puerto_Rico.
Valid through 4/28/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 271940
cwfsju
expires:202604280815;;628610
coastal waters forecast
national weather service san juan pr
340 pm ast mon apr 27 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.
amz745-280815-
coastal waters of southwestern puerto rico out 10 nm-
340 pm ast mon apr 27 2026
.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 3 seconds and north 1 foot at
10 seconds. numerous showers with isolated thunderstorms.
.tuesday...southeast winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds and northwest 1 foot at
11 seconds. scattered showers.
.tuesday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 6 seconds and northwest 1 foot at
12 seconds. scattered showers.
.wednesday...southeast winds 5 to 10 knots. seas around 2 feet. wave
detail: south 2 feet at 6 seconds and northwest 1 foot at 7 seconds.
scattered showers in the afternoon.
.wednesday night...east winds 5 to 10 knots. seas around 2 feet.
wave detail: southeast 2 feet at 6 seconds and north 1 foot at
8 seconds. scattered showers.
.thursday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
east 2 feet at 5 seconds and north 1 foot at 8 seconds. scattered
showers.
.thursday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.friday...southeast 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 4 feet,
occasionally to 5 feet.
.saturday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. seas 2 to 4 feet, occasionally to 5 feet.
scattered showers in the afternoon.
.saturday night...east winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. seas 2 to 3 feet. scattered showers.
winds and seas higher in and near thunderstorms.
$$
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