(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/21/2026 3:56 PM America/Puerto_Rico.
Valid through 10/22/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 211956
cwfsju
expires:202610220815;;955865
coastal waters forecast
national weather service san juan pr
356 pm 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.
amz712-220815-
coastal waters of northern puerto rico out 10 nm-
356 pm ast wed oct 21 2026
.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 early this evening, then
isolated showers late this evening and overnight.
.thursday...east winds 5 to 10 knots. seas 4 to 5 feet, occasionally
to 6 feet. wave detail: north 3 feet at 11 seconds and northeast
2 feet at 10 seconds. scattered 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 10 seconds. scattered showers in the evening.
.friday...southeast winds 5 to 10 knots, becoming east 10 to
15 knots with gusts up to 20 knots in the afternoon. seas 5 to
6 feet, occasionally to 8 feet. wave detail: north 5 feet at
13 seconds and northeast 3 feet at 10 seconds. showers.
.friday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 5 to 6 feet, occasionally to 8 feet. wave detail: north 5 feet
at 12 seconds and northeast 3 feet at 9 seconds. scattered showers.
.saturday...east winds 5 to 10 knots with gusts up to 20 knots. seas
5 to 6 feet, occasionally to 8 feet. wave detail: north 4 feet at
12 seconds and east 3 feet at 6 seconds. numerous showers in the
afternoon.
.saturday night...southeast winds 5 to 10 knots. seas around 5 feet,
occasionally to 6 feet.
.sunday...southeast winds 5 to 10 knots, becoming east 10 to
15 knots in the afternoon. seas around 5 feet, occasionally to
6 feet. scattered showers in the afternoon.
.sunday night...southeast winds 5 to 10 knots, diminishing to around
5 knots after midnight. seas 4 to 5 feet, occasionally to 6 feet.
.monday...east winds 5 to 10 knots. seas 4 to 5 feet, occasionally
to 6 feet. scattered showers in the afternoon.
.monday night...southeast winds 5 to 10 knots, diminishing to around
5 knots after midnight. seas 5 to 6 feet, occasionally to 8 feet.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/21/2026 3:56 PM America/Puerto_Rico.
Valid through 10/22/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 211956
cwfsju
expires:202610220815;;955870
coastal waters forecast
national weather service san juan pr
356 pm 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.
amz735-220815-
coastal waters of southern puerto rico out 10 nm-
356 pm ast wed oct 21 2026
.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds. isolated showers. isolated
thunderstorms late this evening and early morning.
.thursday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: southeast 2 feet at 5 seconds.
scattered showers.
.thursday night...east winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. seas 2 to 3 feet.
wave detail: southeast 2 feet at 5 seconds. scattered showers.
.friday...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 3 feet. wave detail: southeast 3 feet at 5 seconds. numerous
showers.
.friday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 2 to 4 feet, occasionally to 5 feet. wave detail: southeast
3 feet at 6 seconds. numerous showers.
.saturday...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 in the morning.
.saturday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 3 to 4 feet, occasionally to 5 feet. scattered
showers.
.sunday...east 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 3 to 4 feet,
occasionally to 5 feet. scattered showers.
.monday...southeast winds 5 to 10 knots. seas around 3 feet.
scattered showers.
.monday 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 10/21/2026 3:56 PM America/Puerto_Rico.
Valid through 10/22/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 211956
cwfsju
expires:202610220815;;955871
coastal waters forecast
national weather service san juan pr
356 pm 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.
amz741-220815-
mona passage southward to 17n-
356 pm ast wed oct 21 2026
.tonight...southeast winds around 10 knots. seas 4 to 5 feet,
occasionally to 6 feet. wave detail: north 4 feet at 11 seconds and
southeast 3 feet at 5 seconds. scattered showers this evening.
isolated thunderstorms. numerous showers after midnight.
.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 5 to 10 knots, becoming east 10 to
15 knots after midnight. seas around 4 feet, occasionally to 5 feet.
wave detail: southeast 3 feet at 5 seconds and north 3 feet at
11 seconds. numerous showers.
.friday...east winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. seas 4 to 5 feet, occasionally to 6 feet.
wave detail: southeast 4 feet at 6 seconds and north 4 feet at
13 seconds. numerous showers in the morning.
.friday night...east winds 15 to 20 knots with gusts up to 25 knots.
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 with gusts up to
20 knots. seas 5 to 6 feet, occasionally to 8 feet. wave detail:
southeast 4 feet at 6 seconds and north 4 feet at 12 seconds.
.saturday night...southeast winds 10 to 15 knots with gusts up to
25 knots. seas around 5 feet, occasionally to 6 feet.
.sunday...southeast winds around 15 knots. seas around 5 feet,
occasionally to 6 feet.
.sunday night...southeast winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.monday...southeast winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet. scattered showers in the afternoon.
.monday night...southeast winds 5 to 10 knots. seas 4 to 6 feet,
occasionally to 8 feet. scattered showers.
winds and seas higher in and near thunderstorms.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/21/2026 3:56 PM America/Puerto_Rico.
Valid through 10/22/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 211956
cwfsju
expires:202610220815;;955872
coastal waters forecast
national weather service san juan pr
356 pm 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.
amz742-220815-
coastal waters of northwestern puerto rico out 10 nm-
356 pm ast wed oct 21 2026
.tonight...east winds 5 to 10 knots with gusts up to 20 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: north 5 feet at
11 seconds and south 1 foot at 3 seconds. isolated showers this
evening.
.thursday...southeast winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: north 4 feet at 10 seconds and
south 2 feet at 4 seconds. numerous showers in the afternoon.
.thursday night...southeast 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: north 3 feet at
11 seconds and south 2 feet at 4 seconds. scattered showers in the
evening.
.friday...east winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: north 4 feet at 13 seconds and
south 2 feet at 5 seconds. scattered showers in the afternoon.
.friday night...east winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots after midnight. seas 4 to 5 feet,
occasionally to 6 feet. wave detail: north 4 feet at 13 seconds and
northeast 2 feet at 9 seconds. numerous showers, mainly in the
evening.
.saturday...east winds around 5 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots in the afternoon. seas 3 to
5 feet, occasionally to 6 feet. wave detail: north 4 feet at
12 seconds and south 2 feet at 6 seconds. scattered showers in the
afternoon.
.saturday night...southeast winds 5 to 10 knots. seas 3 to 5 feet,
occasionally to 6 feet.
.sunday...southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. 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.
.monday...southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. seas 3 to 5 feet, occasionally to 6 feet.
scattered showers in the afternoon.
.monday night...east winds 5 to 10 knots, diminishing to around
5 knots after midnight. seas 4 to 6 feet, occasionally to 8 feet.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/21/2026 3:56 PM America/Puerto_Rico.
Valid through 10/22/2026 4:15 AM America/Puerto_Rico.
fzca52 tjsj 211956
cwfsju
expires:202610220815;;955873
coastal waters forecast
national weather service san juan pr
356 pm 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.
amz745-220815-
coastal waters of southwestern puerto rico out 10 nm-
356 pm ast wed oct 21 2026
.tonight...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: north 4 feet at 12 seconds. isolated
showers.
.thursday...southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. seas 2 to 4 feet, occasionally to 5 feet.
wave detail: north 3 feet at 11 seconds and south 2 feet at
5 seconds. numerous showers in the afternoon.
.thursday night...southeast winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: north 3 feet at 11 seconds and
south 2 feet at 5 seconds. scattered showers.
.friday...southeast 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 5 seconds and north 3 feet at 11 seconds. scattered
showers.
.friday night...east winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
wave detail: north 4 feet at 13 seconds and southeast 3 feet at
5 seconds. numerous showers.
.saturday...southeast winds 10 to 15 knots with gusts up to
20 knots. seas 3 to 5 feet, occasionally to 6 feet. wave detail:
south 3 feet at 6 seconds and north 3 feet at 12 seconds. scattered
showers in the afternoon.
.saturday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 2 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. seas 2 to 4 feet,
occasionally to 5 feet.
.monday...southeast winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet. scattered showers in the afternoon.
.monday night...southeast winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet.
$$
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