(1/4)
Latest Coastal Waters Forecast by TJSJ
Issued 4/18/2026 4:14 AM America/Puerto_Rico.
Valid through 4/18/2026 5:15 PM America/Puerto_Rico.
fzca52 tjsj 180814
cwfsju
expires:202604182115;;571038
coastal waters forecast
national weather service san juan pr
414 am ast sat apr 18 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.
amz712-182115-
coastal waters of northern puerto rico out 10 nm-
414 am ast sat apr 18 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: northeast 4 feet
at 8 seconds and northeast 1 foot at 12 seconds. scattered showers,
mainly this morning.
.tonight...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.
.sunday...east winds 10 to 15 knots with gusts up to 20 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.
.sunday night...east winds 10 to 15 knots with gusts up to 20 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.
.monday...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. scattered showers
in the afternoon.
.monday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 4 to 5 feet, occasionally to 6 feet. wave detail: northeast
4 feet at 8 seconds and northeast 2 feet at 11 seconds.
.tuesday...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 morning.
.tuesday night...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.wednesday...east winds 5 to 10 knots, becoming northeast 10 to
15 knots in the afternoon. seas around 3 feet.
.wednesday night...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet.
$$
(2/4)
Latest Coastal Waters Forecast by TJSJ
Issued 4/18/2026 4:14 AM America/Puerto_Rico.
Valid through 4/18/2026 5:15 PM America/Puerto_Rico.
fzca52 tjsj 180814
cwfsju
expires:202604182115;;571043
coastal waters forecast
national weather service san juan pr
414 am ast sat apr 18 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz735-182115-
coastal waters of southern puerto rico out 10 nm-
414 am ast sat apr 18 2026
.today...east winds 10 to 15 knots with gusts up to 20 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: southeast 4 feet
at 6 seconds. scattered showers.
.tonight...east winds 10 to 15 knots with gusts up to 25 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: east 3 feet at
6 seconds.
.sunday...east winds 10 to 15 knots with gusts up to 20 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: southeast 3 feet
at 6 seconds.
.sunday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: east 3 feet
at 6 seconds.
.monday...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 4 feet, occasionally to 5 feet. wave detail: southeast 3 feet
at 6 seconds. scattered showers in the afternoon.
.monday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 4 feet, occasionally to 5 feet.
wave detail: east 3 feet at 6 seconds.
.tuesday...east winds 5 to 10 knots. seas 2 to 3 feet.
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet.
scattered showers.
.wednesday...east winds 5 to 10 knots. seas 2 to 3 feet.
.wednesday night...east winds 5 to 10 knots. seas 2 to 3 feet.
$$
(3/4)
Latest Coastal Waters Forecast by TJSJ
Issued 4/18/2026 4:14 AM America/Puerto_Rico.
Valid through 4/18/2026 5:15 PM America/Puerto_Rico.
fzca52 tjsj 180814
cwfsju
expires:202604182115;;571045
coastal waters forecast
national weather service san juan pr
414 am ast sat apr 18 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.
amz742-182115-
coastal waters of northwestern puerto rico out 10 nm-
414 am ast sat apr 18 2026
.today...east winds 5 to 10 knots with gusts up to 20 knots,
diminishing to around 5 knots early this afternoon, then increasing
to 5 to 10 knots with gusts up to 20 knots late. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: northeast 3 feet at 8 seconds
and south 1 foot at 7 seconds. scattered showers with isolated
thunderstorms this afternoon.
.tonight...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 7 seconds and south 1 foot at 7 seconds. scattered showers in the
evening.
.sunday...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 7 seconds. scattered showers in the morning, then numerous
showers in the afternoon.
.sunday 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 6 seconds and northeast 2 feet at 12 seconds.
.monday...east winds 5 to 10 knots with gusts up to 20 knots,
diminishing to around 5 knots in the afternoon. 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 in the
afternoon.
.monday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: northeast 2 feet at 6 seconds and northeast 2 feet at
11 seconds. scattered showers.
.tuesday...east winds 5 to 10 knots, becoming northeast in the
afternoon. seas 2 to 3 feet. scattered showers in the afternoon.
.tuesday night...northeast winds 10 to 15 knots. seas 2 to 3 feet.
scattered showers.
.wednesday...northeast winds 10 to 15 knots. seas 2 to 3 feet.
scattered showers in the afternoon.
.wednesday night...northeast winds 10 to 15 knots, becoming east
5 to 10 knots after midnight. seas 2 to 3 feet.
winds and seas higher in and near thunderstorms.
$$
(4/4)
Latest Coastal Waters Forecast by TJSJ
Issued 4/18/2026 4:14 AM America/Puerto_Rico.
Valid through 4/18/2026 5:15 PM America/Puerto_Rico.
fzca52 tjsj 180814
cwfsju
expires:202604182115;;571046
coastal waters forecast
national weather service san juan pr
414 am ast sat apr 18 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.
amz745-182115-
coastal waters of southwestern puerto rico out 10 nm-
414 am ast sat apr 18 2026
.today...east winds 5 to 10 knots, increasing to 10 to 15 knots with
gusts up to 20 knots early this afternoon, then diminishing to 5 to
10 knots late. seas 2 to 3 feet. wave detail: southeast 2 feet at
6 seconds and north 1 foot at 8 seconds. scattered showers with
isolated thunderstorms this afternoon.
.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 6 seconds and north 1 foot at 7 seconds.
scattered showers in the evening.
.sunday...east winds 5 to 10 knots, diminishing to around 5 knots in
the afternoon. seas around 2 feet. wave detail: southeast 2 feet at
6 seconds and north 1 foot at 7 seconds. scattered showers.
.sunday night...east winds around 5 knots. seas around 2 feet. wave
detail: southeast 2 feet at 6 seconds and north 1 foot at 7 seconds.
.monday...east winds around 5 knots, becoming southeast with gusts
up to 20 knots in the afternoon. seas around 2 feet. wave detail:
southeast 2 feet at 6 seconds and north 1 foot at 6 seconds.
scattered showers in the afternoon.
.monday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 6 seconds and north 1 foot at 7 seconds.
scattered showers.
.tuesday...east winds around 5 knots, becoming southeast in the
afternoon. seas around 2 feet. scattered showers in the afternoon.
.tuesday night...northeast winds 10 to 15 knots, becoming east 5 to
10 knots after midnight. seas around 2 feet. scattered showers.
.wednesday...southeast winds around 5 knots. seas around 2 feet.
scattered showers in the afternoon.
.wednesday night...east winds 5 to 10 knots. seas around 2 feet.
winds and seas higher in and near thunderstorms.
$$
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