(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/12/2026 4:08 AM America/Puerto_Rico.
Valid through 9/12/2026 4:30 PM America/Puerto_Rico.
fzca52 tjsj 120808
cwfsju
expires:202609122030;;315359
coastal waters forecast
national weather service san juan pr
408 am ast sat sep 12 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.
amz712-122030-
coastal waters of northern puerto rico out 10 nm-
408 am ast sat sep 12 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 8 seconds.
.tonight...east winds 10 to 15 knots with gusts up to 25 knots. seas
around 4 feet, occasionally to 5 feet. wave detail: northeast 4 feet
at 8 seconds.
.sunday...east winds 10 to 15 knots with gusts up to 20 knots,
increasing to 15 to 20 knots with gusts up to 30 knots in the
afternoon. seas 3 to 4 feet, occasionally to 5 feet. wave detail:
northeast 4 feet at 7 seconds. scattered showers in the morning.
.sunday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
wave detail: east 4 feet at 6 seconds and northeast 2 feet at
9 seconds.
.monday...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
5 seconds and east 2 feet at 9 seconds.
.monday night...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 3 feet at 6 seconds and
east 3 feet at 9 seconds.
.tuesday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 3 to 4 feet, occasionally to 5 feet.
scattered showers in the afternoon.
.tuesday night...east winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. seas 3 to 4 feet, occasionally to 5 feet.
.wednesday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 3 to 4 feet, occasionally to 5 feet.
.wednesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/12/2026 4:08 AM America/Puerto_Rico.
Valid through 9/12/2026 4:30 PM America/Puerto_Rico.
fzca52 tjsj 120808
cwfsju
expires:202609122030;;315364
coastal waters forecast
national weather service san juan pr
408 am ast sat sep 12 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz735-122030-
coastal waters of southern puerto rico out 10 nm-
408 am ast sat sep 12 2026
...small craft should exercise caution...
.today...east winds 10 to 15 knots, increasing to 15 to 20 knots
late. seas 3 to 4 feet, occasionally to 5 feet. wave detail:
southeast 4 feet at 6 seconds. isolated showers.
.tonight...east winds 10 to 15 knots with gusts up to 25 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet at
6 seconds.
.sunday...east winds 10 to 15 knots with gusts up to 25 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet at
6 seconds.
.sunday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet
at 7 seconds.
.monday...east winds 10 to 15 knots with gusts up to 25 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet at
7 seconds.
.monday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas around 3 feet. wave detail: southeast
3 feet at 6 seconds.
.tuesday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 2 to 4 feet, occasionally to 5 feet.
.tuesday night...east winds 10 to 15 knots. seas 2 to 3 feet.
.wednesday...east winds 15 to 20 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.wednesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/12/2026 4:08 AM America/Puerto_Rico.
Valid through 9/12/2026 4:30 PM America/Puerto_Rico.
fzca52 tjsj 120808
cwfsju
expires:202609122030;;315365
coastal waters forecast
national weather service san juan pr
408 am ast sat sep 12 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.
amz741-122030-
mona passage southward to 17n-
408 am ast sat sep 12 2026
...small craft should exercise caution...
.today...east winds 15 to 20 knots, diminishing to 10 to 15 knots
late this morning and afternoon. seas 3 to 5 feet, occasionally to
6 feet. wave detail: northeast 5 feet at 7 seconds. isolated
showers.
.tonight...east winds 15 to 20 knots with gusts up to 30 knots. seas
4 to 6 feet, occasionally to 8 feet. wave detail: east 5 feet at
7 seconds and northeast 2 feet at 8 seconds.
.sunday...east winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. seas 4 to 6 feet, occasionally to 8 feet. wave
detail: northeast 5 feet at 7 seconds.
.sunday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
wave detail: northeast 5 feet at 7 seconds.
.monday...east winds 10 to 15 knots with gusts up to 25 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: northeast 5 feet
at 7 seconds.
.monday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: northeast
4 feet at 7 seconds. scattered showers.
.tuesday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 3 to 4 feet, occasionally to 5 feet.
scattered showers in the afternoon.
.tuesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers.
.wednesday...east winds 15 to 20 knots. seas 3 to 5 feet,
occasionally to 6 feet.
.wednesday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/12/2026 4:08 AM America/Puerto_Rico.
Valid through 9/12/2026 4:30 PM America/Puerto_Rico.
fzca52 tjsj 120808
cwfsju
expires:202609122030;;315366
coastal waters forecast
national weather service san juan pr
408 am ast sat sep 12 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.
amz742-122030-
coastal waters of northwestern puerto rico out 10 nm-
408 am ast sat sep 12 2026
.today...northeast winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots this afternoon. seas 2 to 3 feet. wave
detail: northeast 2 feet at 8 seconds and southeast 1 foot at
5 seconds. isolated showers 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: east 3 feet at
5 seconds and northeast 2 feet at 8 seconds.
.sunday...east winds 10 to 15 knots, diminishing to 5 to 10 knots in
the afternoon. seas 2 to 3 feet. wave detail: northeast 2 feet at
6 seconds. scattered showers in the afternoon.
.sunday 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: northeast 3 feet at 7 seconds.
.monday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
northeast 2 feet at 7 seconds. numerous showers in the afternoon.
.monday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: east 2 feet at 5 seconds and northeast 1 foot at 8 seconds.
.tuesday...east winds 10 to 15 knots, becoming northeast 5 to
10 knots in the afternoon. seas 2 to 3 feet. numerous showers in the
afternoon.
.tuesday night...northeast winds 5 to 10 knots, becoming east 10 to
15 knots after midnight. seas 2 to 3 feet. scattered showers.
.wednesday...east winds 10 to 15 knots, becoming northeast 5 to
10 knots in the afternoon. seas 2 to 3 feet. scattered showers in
the afternoon.
.wednesday night...east winds 5 to 10 knots. seas 2 to 3 feet.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/12/2026 4:08 AM America/Puerto_Rico.
Valid through 9/12/2026 4:30 PM America/Puerto_Rico.
fzca52 tjsj 120808
cwfsju
expires:202609122030;;315367
coastal waters forecast
national weather service san juan pr
408 am ast sat sep 12 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.
amz745-122030-
coastal waters of southwestern puerto rico out 10 nm-
408 am ast sat sep 12 2026
.today...east winds around 5 knots, becoming southeast this
afternoon. seas around 2 feet. wave detail: southeast 2 feet at
6 seconds and north 1 foot at 8 seconds. scattered showers this
afternoon.
.tonight...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
southeast 2 feet at 6 seconds and north 1 foot at 7 seconds.
.sunday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
southeast 2 feet at 6 seconds. scattered showers in the afternoon.
.sunday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 2 feet at 6 seconds.
.monday...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 and north 1 foot
at 6 seconds. scattered showers in the afternoon.
.monday 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: southeast 2 feet at 6 seconds.
.tuesday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. seas around 2 feet. scattered showers in
the afternoon.
.tuesday night...east winds 5 to 10 knots. seas around 2 feet.
scattered showers.
.wednesday...east winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. seas 2 to 3 feet.
.wednesday night...east winds 5 to 10 knots. seas 2 to 3 feet.
$$
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