(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/21/2026 4:00 PM America/Puerto_Rico.
Valid through 9/22/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 212000
cwfsju
expires:202609220815;;834752
coastal waters forecast
national weather service san juan pr
400 pm ast mon sep 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.
amz712-220815-
coastal waters of northern puerto rico out 10 nm-
400 pm ast mon sep 21 2026
.tonight...southeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: east 2 feet at 4 seconds and northeast 2 feet at 8 seconds.
numerous showers with isolated thunderstorms this evening, then
scattered showers after midnight.
.tuesday...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: east 2 feet at 4 seconds and northeast 2 feet at 8 seconds.
scattered showers.
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: east 2 feet at 4 seconds and northeast 2 feet at 8 seconds.
.wednesday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 2 to 3 feet. wave detail: east 3 feet at
5 seconds and northeast 1 foot at 8 seconds. scattered showers in
the afternoon.
.wednesday night...east winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. seas 3 to
4 feet, occasionally to 5 feet. wave detail: east 3 feet at
5 seconds and north 2 feet at 13 seconds. scattered showers.
.thursday...east winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 25 knots in the afternoon. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 3 feet at 5 seconds and
northeast 2 feet at 9 seconds. scattered showers in the afternoon.
.thursday night...east winds 10 to 15 knots with gusts up to
20 knots, becoming southeast 5 to 10 knots after midnight. 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.
.friday night...east winds 10 to 15 knots, becoming southeast 5 to
10 knots after midnight. seas 3 to 4 feet, occasionally to 5 feet.
.saturday...southeast winds 5 to 10 knots, becoming east 10 to
15 knots in the afternoon. seas 3 to 4 feet, occasionally to 5 feet.
.saturday night...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet.
winds and seas higher in and near thunderstorms.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/21/2026 4:00 PM America/Puerto_Rico.
Valid through 9/22/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 212000
cwfsju
expires:202609220815;;834757
coastal waters forecast
national weather service san juan pr
400 pm ast mon sep 21 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz735-220815-
coastal waters of southern puerto rico out 10 nm-
400 pm ast mon sep 21 2026
.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds. scattered showers with
isolated thunderstorms this evening, then numerous showers after
midnight.
.tuesday...east winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. seas 2 to 3 feet. wave detail: southeast 2 feet at
6 seconds. scattered showers in the morning.
.tuesday night...east winds 5 to 10 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: southeast 3 feet at 6 seconds.
.wednesday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: southeast 3 feet at 6 seconds.
.wednesday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 3 feet at 5 seconds.
.thursday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: east 3 feet at 5 seconds.
.thursday night...east winds 5 to 10 knots. seas 2 to 3 feet.
scattered showers.
.friday...east winds 10 to 15 knots. seas 2 to 3 feet. scattered
showers in the morning.
.friday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.saturday...east winds 5 to 10 knots, increasing to 10 to 15 knots
in the afternoon. seas 2 to 3 feet.
.saturday night...east winds 5 to 10 knots. seas 2 to 3 feet.
winds and seas higher in and near thunderstorms.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/21/2026 4:00 PM America/Puerto_Rico.
Valid through 9/22/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 212000
cwfsju
expires:202609220815;;834758
coastal waters forecast
national weather service san juan pr
400 pm ast mon sep 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.
amz741-220815-
mona passage southward to 17n-
400 pm ast mon sep 21 2026
.tonight...east winds 10 to 15 knots. seas around 3 feet. wave
detail: southeast 3 feet at 5 seconds and northeast 1 foot at
8 seconds. scattered showers.
.tuesday...east winds 10 to 15 knots. seas around 3 feet. wave
detail: southeast 3 feet at 6 seconds and northeast 1 foot at
8 seconds. scattered showers in the morning.
.tuesday night...east winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. seas around 3 feet. wave detail: southeast
3 feet at 6 seconds and northeast 1 foot at 8 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 7 seconds.
.wednesday 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: east 3 feet at 7 seconds.
.thursday...southeast winds 10 to 15 knots with gusts up to
20 knots. seas around 3 feet. wave detail: southeast 3 feet at
6 seconds and northeast 1 foot at 8 seconds.
.thursday night...east winds 10 to 15 knots with gusts up to
20 knots. seas around 3 feet. scattered showers.
.friday...southeast winds 10 to 15 knots. seas around 3 feet.
.friday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.saturday...east winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. seas around 4 feet, occasionally to 5 feet.
.saturday night...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/21/2026 4:00 PM America/Puerto_Rico.
Valid through 9/22/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 212000
cwfsju
expires:202609220815;;834759
coastal waters forecast
national weather service san juan pr
400 pm ast mon sep 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.
amz742-220815-
coastal waters of northwestern puerto rico out 10 nm-
400 pm ast mon sep 21 2026
.tonight...east winds around 5 knots. seas around 2 feet. wave
detail: northeast 2 feet at 7 seconds and south 1 foot at 4 seconds.
scattered showers with isolated thunderstorms early this evening.
.tuesday...northeast winds around 5 knots. seas around 2 feet. wave
detail: northeast 2 feet at 7 seconds and south 1 foot at 5 seconds.
numerous showers in the afternoon.
.tuesday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: northeast 2 feet at 7 seconds and south 1 foot at 6 seconds.
scattered showers in the evening.
.wednesday...east winds around 5 knots, becoming northeast in the
afternoon. seas around 2 feet. wave detail: south 1 foot at
6 seconds and northeast 1 foot at 7 seconds. scattered showers in
the afternoon.
.wednesday night...east winds around 5 knots. seas 2 to 3 feet. wave
detail: south 1 foot at 6 seconds and north 1 foot at 8 seconds.
scattered showers.
.thursday...east winds around 5 knots, increasing to 5 to 10 knots
in the afternoon. seas 2 to 3 feet. wave detail: northeast 2 feet at
7 seconds and north 2 feet at 14 seconds. numerous showers in the
afternoon.
.thursday night...east winds around 5 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, becoming southeast after
midnight. seas 2 to 3 feet.
.saturday...east winds around 5 knots, becoming north in the
afternoon. seas 2 to 4 feet, occasionally to 5 feet. scattered
showers in the afternoon.
.saturday night...east winds around 5 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 9/21/2026 4:00 PM America/Puerto_Rico.
Valid through 9/22/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 212000
cwfsju
expires:202609220815;;834760
coastal waters forecast
national weather service san juan pr
400 pm ast mon sep 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.
amz745-220815-
coastal waters of southwestern puerto rico out 10 nm-
400 pm ast mon sep 21 2026
.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds and north 1 foot at 7 seconds.
scattered showers early this evening, then isolated showers late
this evening and overnight.
.tuesday...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds. numerous showers in the
afternoon.
.tuesday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 6 seconds.
.wednesday...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 2 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.
.thursday...southeast winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 3 feet. wave detail: southeast 2 feet at
6 seconds and north 1 foot at 7 seconds. scattered showers in the
afternoon.
.thursday night...east winds 5 to 10 knots. seas around 2 feet.
.friday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. seas around 2 feet.
.friday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.saturday...southeast winds 5 to 10 knots. seas 2 to 3 feet.
.saturday night...east winds 5 to 10 knots. seas 2 to 3 feet.
$$
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