(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/20/2026 5:12 PM America/Puerto_Rico.
Valid through 10/21/2026 6:15 AM America/Puerto_Rico.
fzca52 tjsj 202112
cwfsju
expires:202610211015;;905223
coastal waters forecast
national weather service san juan pr
512 pm ast tue oct 20 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.
amz712-211015-
coastal waters of northern puerto rico out 10 nm-
512 pm ast tue oct 20 2026
...small craft should exercise caution...
.tonight...south winds around 5 knots. seas around 6 feet,
occasionally to 8 feet. wave detail: north 6 feet at 12 seconds and
east 2 feet at 8 seconds. numerous showers with isolated
thunderstorms early this evening, then isolated showers late this
evening and early morning. scattered showers late.
.wednesday...southeast winds around 5 knots, becoming northeast with
gusts up to 20 knots in the afternoon. seas around 5 feet,
occasionally to 6 feet. wave detail: north 5 feet at 12 seconds and
east 1 foot at 8 seconds. scattered showers in the afternoon.
.wednesday 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
east 1 foot at 7 seconds. numerous showers after midnight.
.thursday...southeast winds 5 to 10 knots, becoming east 10 to
15 knots with gusts up to 20 knots in the afternoon. seas 4 to
5 feet, occasionally to 6 feet. wave detail: north 4 feet at
11 seconds and north 2 feet at 10 seconds. showers.
.thursday night...east 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. numerous 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 5 to 6 feet,
occasionally to 8 feet. wave detail: north 5 feet at 14 seconds and
northeast 3 feet at 9 seconds. numerous showers in the afternoon.
.friday night...southeast winds 10 to 15 knots with gusts up to
20 knots. seas 5 to 6 feet, occasionally to 8 feet.
.saturday...east winds 10 to 15 knots. seas 5 to 6 feet,
occasionally to 8 feet. numerous showers in the afternoon.
.saturday night...southeast winds 5 to 10 knots. seas 5 to 6 feet,
occasionally to 8 feet.
.sunday...southeast winds 5 to 10 knots, becoming east 10 to
15 knots in the afternoon. seas around 6 feet, occasionally to
8 feet. scattered showers in the afternoon.
.sunday night...southeast winds 5 to 10 knots, diminishing to around
5 knots after midnight. seas 5 to 6 feet, occasionally to 8 feet.
winds and seas higher in and near thunderstorms.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/20/2026 5:12 PM America/Puerto_Rico.
Valid through 10/21/2026 6:15 AM America/Puerto_Rico.
fzca52 tjsj 202112
cwfsju
expires:202610211015;;905228
coastal waters forecast
national weather service san juan pr
512 pm ast tue oct 20 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.
amz735-211015-
coastal waters of southern puerto rico out 10 nm-
512 pm ast tue oct 20 2026
.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 1 foot at 4 seconds and east 1 foot at 8 seconds.
isolated showers early this evening, then scattered showers late
this evening and early morning. isolated showers late.
.wednesday...southeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 2 feet at 5 seconds. scattered showers in the
morning.
.wednesday night...east winds 5 to 10 knots. seas around 2 feet.
wave detail: southeast 2 feet at 5 seconds. scattered showers in the
evening, then numerous showers after midnight.
.thursday...southeast 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 in the morning.
.thursday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds. scattered showers.
.friday...east winds 10 to 15 knots with gusts up to 25 knots. seas
2 to 3 feet. wave detail: southeast 3 feet at 5 seconds. numerous
showers in the morning.
.friday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 4 feet, occasionally to 5 feet. scattered 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 3 to 4 feet,
occasionally to 5 feet. scattered showers.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/20/2026 5:12 PM America/Puerto_Rico.
Valid through 10/21/2026 6:15 AM America/Puerto_Rico.
fzca52 tjsj 202112
cwfsju
expires:202610211015;;905229
coastal waters forecast
national weather service san juan pr
512 pm ast tue oct 20 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.
amz741-211015-
mona passage southward to 17n-
512 pm ast tue oct 20 2026
.tonight...southeast winds 5 to 10 knots. seas 4 to 5 feet,
occasionally to 6 feet. wave detail: north 5 feet at 13 seconds and
northeast 2 feet at 8 seconds. isolated showers late this evening
and early morning. scattered showers late.
.wednesday...southeast winds around 10 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 in the morning.
.wednesday night...southeast winds 10 to 15 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.
.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 11 seconds.
numerous showers in the morning.
.thursday night...east 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 6 seconds and north 3 feet at 11 seconds.
scattered showers in the evening.
.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
14 seconds. scattered showers in the afternoon.
.friday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 5 to 6 feet, occasionally to 8 feet.
.saturday...southeast winds around 15 knots. seas 5 to 6 feet,
occasionally to 8 feet. scattered showers.
.saturday night...southeast winds around 15 knots. seas 5 to 6 feet,
occasionally to 8 feet.
.sunday...southeast winds around 15 knots. seas 5 to 6 feet,
occasionally to 8 feet.
.sunday night...southeast winds 10 to 15 knots. seas 5 to 6 feet,
occasionally to 8 feet.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/20/2026 5:12 PM America/Puerto_Rico.
Valid through 10/21/2026 6:15 AM America/Puerto_Rico.
fzca52 tjsj 202112
cwfsju
expires:202610211015;;905230
coastal waters forecast
national weather service san juan pr
512 pm ast tue oct 20 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.
amz742-211015-
coastal waters of northwestern puerto rico out 10 nm-
512 pm ast tue oct 20 2026
...small craft should exercise caution...
.tonight...southeast winds 5 to 10 knots. seas 4 to 6 feet,
occasionally to 8 feet. wave detail: north 5 feet at 13 seconds.
isolated showers this evening.
.wednesday...southeast winds 5 to 10 knots, becoming south 10 to
15 knots with gusts up to 20 knots in the afternoon. seas 4 to
6 feet, occasionally to 8 feet. wave detail: north 5 feet at
12 seconds.
.wednesday night...east winds 5 to 10 knots. 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...southeast winds around 5 knots, becoming south 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 5 seconds. showers in the afternoon.
.thursday night...southeast winds 10 to 15 knots with gusts up to
20 knots, becoming east 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 5 seconds. numerous 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, becoming southeast 10 to
15 knots with gusts up to 20 knots after midnight. seas 4 to 5 feet,
occasionally to 6 feet.
.saturday...southeast winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet. scattered showers in the afternoon.
.saturday night...southeast winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.sunday...southeast winds 10 to 15 knots. seas 4 to 6 feet,
occasionally to 8 feet. scattered showers in the afternoon.
.sunday night...southeast winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 4 to 6 feet, occasionally to 8 feet.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/20/2026 5:12 PM America/Puerto_Rico.
Valid through 10/21/2026 6:15 AM America/Puerto_Rico.
fzca52 tjsj 202112
cwfsju
expires:202610211015;;905231
coastal waters forecast
national weather service san juan pr
512 pm ast tue oct 20 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.
amz745-211015-
coastal waters of southwestern puerto rico out 10 nm-
512 pm ast tue oct 20 2026
.tonight...southeast winds 5 to 10 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: north 5 feet at 14 seconds.
scattered showers late this evening.
.wednesday...southeast winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: north 4 feet at 13 seconds.
.wednesday night...east winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: north 4 feet at 12 seconds and
south 2 feet at 4 seconds. scattered showers after midnight.
.thursday...southeast winds 10 to 15 knots with gusts up to
20 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.
.thursday night...east 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. scattered showers in the evening.
.friday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 25 knots in the afternoon. seas 2 to
4 feet, occasionally to 5 feet. wave detail: southeast 3 feet at
5 seconds and north 3 feet at 12 seconds. scattered showers in the
afternoon.
.friday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 5 feet, occasionally to 6 feet.
.saturday...southeast winds around 15 knots. seas 3 to 5 feet,
occasionally to 6 feet. scattered showers.
.saturday night...southeast winds around 15 knots. seas 3 to 5 feet,
occasionally to 6 feet.
.sunday...southeast winds around 15 knots. seas 3 to 5 feet,
occasionally to 6 feet.
.sunday night...southeast winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet.
$$
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