(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/21/2026 4:01 AM America/Puerto_Rico.
Valid through 10/21/2026 6:00 PM America/Puerto_Rico.
fzca52 tjsj 210801
cwfsju
expires:202610212200;;928398
coastal waters forecast
national weather service san juan pr
401 am ast wed oct 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.
amz712-212200-
coastal waters of northern puerto rico out 10 nm-
401 am ast wed oct 21 2026
...small craft should exercise caution...
.today...southeast winds around 5 knots, becoming east this
afternoon. seas 5 to 6 feet, occasionally to 8 feet. wave detail:
north 5 feet at 12 seconds and east 1 foot at 8 seconds. isolated
showers this morning, then scattered showers with isolated
thunderstorms this afternoon.
.tonight...southeast winds 5 to 10 knots. seas 4 to 5 feet,
occasionally to 6 feet. wave detail: north 4 feet at 11 seconds and
east 1 foot at 7 seconds. scattered showers in the evening.
.thursday...east winds 5 to 10 knots. seas around 4 feet,
occasionally to 5 feet. wave detail: north 4 feet at 11 seconds and
north 2 feet at 10 seconds. showers in the afternoon.
.thursday night...southeast winds 5 to 10 knots. seas 4 to 5 feet,
occasionally to 6 feet. wave detail: north 4 feet at 11 seconds and
northeast 3 feet at 9 seconds. scattered showers in the evening.
.friday...east winds 5 to 10 knots. seas 5 to 6 feet, occasionally
to 8 feet. wave detail: north 4 feet at 14 seconds and northeast
3 feet at 9 seconds. showers.
.friday night...southeast winds 10 to 15 knots with gusts up to
20 knots. seas 5 to 6 feet, occasionally to 8 feet. wave detail:
east 4 feet at 6 seconds and north 4 feet at 13 seconds. scattered
showers.
.saturday...east winds 5 to 10 knots. seas 5 to 6 feet, occasionally
to 8 feet. numerous showers in the afternoon.
.saturday night...southeast winds 5 to 10 knots. seas around 5 feet,
occasionally to 6 feet.
.sunday...east winds 5 to 10 knots. seas 5 to 6 feet, occasionally
to 8 feet. scattered showers in the afternoon.
.sunday night...southeast winds 5 to 10 knots. seas around 5 feet,
occasionally to 6 feet.
winds and seas higher in and near thunderstorms.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/21/2026 4:01 AM America/Puerto_Rico.
Valid through 10/21/2026 6:00 PM America/Puerto_Rico.
fzca52 tjsj 210801
cwfsju
expires:202610212200;;928403
coastal waters forecast
national weather service san juan pr
401 am ast wed oct 21 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz735-212200-
coastal waters of southern puerto rico out 10 nm-
401 am ast wed oct 21 2026
.today...southeast winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds. isolated thunderstorms this
morning. scattered showers.
.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds.
.thursday...southeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 3 feet at 5 seconds. scattered showers.
.thursday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 2 to 3 feet. wave detail: southeast 2 feet at
5 seconds. numerous showers, mainly in the evening.
.friday...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 3 feet. wave detail: southeast 3 feet at 6 seconds. numerous
showers.
.friday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: southeast
4 feet at 6 seconds. numerous showers.
.saturday...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers in the morning.
.saturday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers.
.sunday...southeast winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers in the morning.
.sunday night...east winds 5 to 10 knots. seas around 3 feet.
scattered showers.
winds and seas higher in and near thunderstorms.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/21/2026 4:01 AM America/Puerto_Rico.
Valid through 10/21/2026 6:00 PM America/Puerto_Rico.
fzca52 tjsj 210801
cwfsju
expires:202610212200;;928404
coastal waters forecast
national weather service san juan pr
401 am ast wed oct 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.
amz741-212200-
mona passage southward to 17n-
401 am ast wed oct 21 2026
...small craft should exercise caution...
.today...southeast winds 10 to 15 knots. seas 4 to 6 feet,
occasionally to 8 feet. wave detail: north 5 feet at 12 seconds and
southeast 2 feet at 4 seconds. scattered showers with isolated
thunderstorms early this morning, then isolated showers late this
morning and afternoon.
.tonight...southeast winds 10 to 15 knots with gusts up to 20 knots.
seas 4 to 5 feet, occasionally to 6 feet. wave detail: north 4 feet
at 11 seconds and southeast 3 feet at 4 seconds. scattered showers.
.thursday...southeast winds 10 to 15 knots with gusts up to
20 knots. seas 4 to 5 feet, occasionally to 6 feet. wave detail:
southeast 3 feet at 5 seconds and north 3 feet at 10 seconds.
scattered showers.
.thursday night...southeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. seas 4 to 5 feet, occasionally to
6 feet. wave detail: southeast 3 feet at 6 seconds and north 3 feet
at 11 seconds. numerous showers.
.friday...east winds 10 to 15 knots with gusts up to 20 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: southeast 4 feet
at 6 seconds and north 4 feet at 14 seconds. numerous showers in the
morning.
.friday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 5 to 6 feet, occasionally to 8 feet.
wave detail: southeast 4 feet at 6 seconds and north 4 feet at
13 seconds. numerous showers in the evening.
.saturday...southeast winds 10 to 15 knots. seas 5 to 6 feet,
occasionally to 8 feet.
.saturday night...southeast winds 10 to 15 knots. seas around
5 feet, occasionally to 6 feet.
.sunday...southeast winds 10 to 15 knots. seas 5 to 6 feet,
occasionally to 8 feet.
.sunday night...southeast winds 10 to 15 knots. seas 4 to 6 feet,
occasionally to 8 feet.
winds and seas higher in and near thunderstorms.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/21/2026 4:01 AM America/Puerto_Rico.
Valid through 10/21/2026 6:00 PM America/Puerto_Rico.
fzca52 tjsj 210801
cwfsju
expires:202610212200;;928405
coastal waters forecast
national weather service san juan pr
401 am ast wed oct 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.
amz742-212200-
coastal waters of northwestern puerto rico out 10 nm-
401 am ast wed oct 21 2026
...small craft should exercise caution...
.today...southeast winds 5 to 10 knots, becoming south 10 to
15 knots with gusts up to 20 knots this afternoon. seas 4 to 6 feet,
occasionally to 8 feet. wave detail: north 5 feet at 12 seconds.
isolated showers early this morning. isolated showers this
afternoon.
.tonight...east winds 10 to 15 knots with gusts up to 20 knots,
diminishing to around 5 knots after midnight. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: north 4 feet at 11 seconds and
south 2 feet at 4 seconds.
.thursday...east winds around 5 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots in the afternoon. seas 3 to
4 feet, occasionally to 5 feet. wave detail: north 3 feet at
10 seconds and south 2 feet at 4 seconds. showers in the afternoon.
.thursday night...southeast winds 10 to 15 knots with gusts up to
20 knots. seas 3 to 5 feet, occasionally to 6 feet. wave detail:
north 3 feet at 11 seconds and south 2 feet at 5 seconds. scattered
showers in the evening.
.friday...east winds 5 to 10 knots. seas 3 to 5 feet, occasionally
to 6 feet. wave detail: north 4 feet at 14 seconds and south 2 feet
at 5 seconds. scattered showers in the afternoon.
.friday night...east winds 5 to 10 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: north 4 feet at 13 seconds and
south 2 feet at 5 seconds. numerous showers, mainly in the evening.
.saturday...southeast winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet. scattered showers in the afternoon.
.saturday night...east winds 10 to 15 knots, becoming southeast 5 to
10 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
.sunday...southeast winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet. scattered showers in the afternoon.
.sunday night...southeast winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/21/2026 4:01 AM America/Puerto_Rico.
Valid through 10/21/2026 6:00 PM America/Puerto_Rico.
fzca52 tjsj 210801
cwfsju
expires:202610212200;;928406
coastal waters forecast
national weather service san juan pr
401 am ast wed oct 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.
amz745-212200-
coastal waters of southwestern puerto rico out 10 nm-
401 am ast wed oct 21 2026
.today...southeast winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots late this morning and afternoon. seas 3 to
5 feet, occasionally to 6 feet. wave detail: north 4 feet at
12 seconds. isolated showers until late afternoon.
.tonight...east winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots after midnight. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: north 4 feet at 12 seconds and
south 2 feet at 4 seconds.
.thursday...southeast winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: south 3 feet at 5 seconds and
north 3 feet at 11 seconds. numerous showers in the afternoon.
.thursday night...southeast winds 10 to 15 knots with gusts up to
25 knots. seas 2 to 4 feet, occasionally to 5 feet. wave detail:
south 3 feet at 5 seconds and north 3 feet at 11 seconds. scattered
showers.
.friday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots in the afternoon. seas 2 to
4 feet, occasionally to 5 feet. wave detail: southeast 3 feet at
6 seconds and north 3 feet at 11 seconds. scattered showers.
.friday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 5 feet, occasionally to 6 feet. wave detail: southeast
3 feet at 5 seconds and north 3 feet at 14 seconds. numerous
showers.
.saturday...southeast winds around 15 knots. seas 3 to 5 feet,
occasionally to 6 feet. scattered showers in the afternoon.
.saturday night...southeast winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.sunday...southeast winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet.
.sunday night...southeast winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 4 feet, occasionally to 5 feet.
$$
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