(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/21/2026 4:07 PM America/Puerto_Rico.
Valid through 7/22/2026 4:30 AM America/Puerto_Rico.
fzca52 tjsj 212007
cwfsju
expires:202607220830;;367387
coastal waters forecast
national weather service san juan pr
407 pm ast tue jul 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.
amz712-220830-
coastal waters of northern puerto rico out 10 nm-
407 pm ast tue jul 21 2026
.tonight...east winds 10 to 15 knots. seas around 3 feet. wave
detail: northeast 3 feet at 7 seconds. scattered showers.
.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. wave
detail: northeast 4 feet at 7 seconds. scattered showers in the
afternoon.
.wednesday 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.
.thursday...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.
.thursday 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.
.friday...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 4 to 5 feet, occasionally to 6 feet. wave detail:
northeast 4 feet at 7 seconds.
.friday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 4 to 5 feet, occasionally to 6 feet.
.saturday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 4 to 5 feet, occasionally to 6 feet.
.saturday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 4 to 5 feet, occasionally to 6 feet.
.sunday...east winds 15 to 20 knots. seas around 4 feet,
occasionally to 5 feet. scattered showers in the afternoon.
.sunday 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 7/21/2026 4:07 PM America/Puerto_Rico.
Valid through 7/22/2026 4:30 AM America/Puerto_Rico.
fzca52 tjsj 212007
cwfsju
expires:202607220830;;367392
coastal waters forecast
national weather service san juan pr
407 pm ast tue jul 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.
amz735-220830-
coastal waters of southern puerto rico out 10 nm-
407 pm ast tue jul 21 2026
.tonight...east winds 10 to 15 knots with gusts up to 25 knots,
diminishing to 5 to 10 knots after midnight. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: southeast 3 feet at 6 seconds.
scattered showers, mainly this evening.
.wednesday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: east 2 feet at 4 seconds. scattered
showers in the morning.
.wednesday night...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.
scattered showers in the evening.
.thursday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: southeast
3 feet at 6 seconds.
.thursday 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.
.friday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 3 to 5 feet, occasionally to 6 feet. wave
detail: southeast 4 feet at 6 seconds.
.friday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 4 feet, occasionally to 5 feet.
.saturday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 3 to 4 feet, occasionally to 5 feet.
.saturday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.sunday...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 morning.
.sunday 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 7/21/2026 4:07 PM America/Puerto_Rico.
Valid through 7/22/2026 4:30 AM America/Puerto_Rico.
fzca52 tjsj 212007
cwfsju
expires:202607220830;;367393
coastal waters forecast
national weather service san juan pr
407 pm ast tue jul 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.
amz741-220830-
mona passage southward to 17n-
407 pm ast tue jul 21 2026
.tonight...east winds 10 to 15 knots with gusts up to 25 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: northeast 3 feet
at 5 seconds and southeast 3 feet at 7 seconds. scattered showers
with isolated thunderstorms early this evening. isolated showers
late this evening, then scattered showers after midnight.
.wednesday...southeast winds 10 to 15 knots with gusts up to
20 knots. seas 3 to 4 feet, occasionally to 5 feet. wave detail:
east 3 feet at 6 seconds. scattered showers in the morning.
.wednesday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. seas 3 to 4 feet, occasionally to 5 feet.
wave detail: east 4 feet at 6 seconds and north 1 foot at 5 seconds.
scattered showers in the evening.
.thursday...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 and north 1 foot at 5 seconds.
.thursday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 3 to 5 feet, occasionally to 6 feet. wave detail:
southeast 4 feet at 6 seconds and north 1 foot at 6 seconds.
.friday...east winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. seas 4 to 5 feet, occasionally to 6 feet. wave
detail: southeast 4 feet at 7 seconds and north 2 feet at 7 seconds.
.friday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. seas 4 to 5 feet, occasionally to 6 feet.
.saturday...east winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. seas 3 to 5 feet, occasionally to 6 feet.
.saturday night...east winds 15 to 20 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.sunday...east winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. seas 4 to 5 feet, occasionally to 6 feet.
.sunday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
winds and seas higher in and near thunderstorms.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/21/2026 4:07 PM America/Puerto_Rico.
Valid through 7/22/2026 4:30 AM America/Puerto_Rico.
fzca52 tjsj 212007
cwfsju
expires:202607220830;;367394
coastal waters forecast
national weather service san juan pr
407 pm ast tue jul 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.
amz742-220830-
coastal waters of northwestern puerto rico out 10 nm-
407 pm ast tue jul 21 2026
.tonight...northeast winds 10 to 15 knots, becoming east 5 to
10 knots late. seas 2 to 3 feet. wave detail: northeast 2 feet at
3 seconds and south 1 foot at 6 seconds. isolated showers this
evening.
.wednesday...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: south 1 foot at 5 seconds and north 1 foot at 5 seconds.
numerous showers in the afternoon.
.wednesday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: north 2 feet at 5 seconds and south 1 foot at 4 seconds.
.thursday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
south 1 foot at 4 seconds and north 1 foot at 5 seconds. numerous
showers in the afternoon.
.thursday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: south 2 feet at 6 seconds and northeast 2 feet at 7 seconds.
.friday...northeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: northeast 3 feet at 7 seconds and south 2 feet at 6 seconds.
scattered showers in the afternoon.
.friday night...east winds 5 to 10 knots with gusts up to 20 knots.
seas 2 to 4 feet, occasionally to 5 feet.
.saturday...east winds 5 to 10 knots, becoming northeast 10 to
15 knots in the afternoon. seas 2 to 3 feet. numerous showers in the
afternoon.
.saturday night...east winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet.
.sunday...east winds 10 to 15 knots, diminishing to 5 to 10 knots in
the afternoon. seas 2 to 4 feet, occasionally to 5 feet. numerous
showers in the afternoon.
.sunday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/21/2026 4:07 PM America/Puerto_Rico.
Valid through 7/22/2026 4:30 AM America/Puerto_Rico.
fzca52 tjsj 212007
cwfsju
expires:202607220830;;367395
coastal waters forecast
national weather service san juan pr
407 pm ast tue jul 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.
amz745-220830-
coastal waters of southwestern puerto rico out 10 nm-
407 pm ast tue jul 21 2026
.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: north 1 foot at 4 seconds and southeast 1 foot at 6 seconds.
scattered showers with isolated thunderstorms early this evening.
.wednesday...southeast winds 10 to 15 knots with gusts up to
25 knots. seas 2 to 3 feet. wave detail: southeast 2 feet at
4 seconds and north 1 foot at 5 seconds.
.wednesday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 3 feet. wave detail: southeast 2 feet at
4 seconds and north 1 foot at 5 seconds. scattered showers in the
evening.
.thursday...southeast winds 10 to 15 knots with gusts up to
25 knots. seas 2 to 3 feet. wave detail: east 2 feet at 5 seconds
and north 1 foot at 5 seconds.
.thursday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 2 to 3 feet. wave detail: south 3 feet at 6 seconds
and north 1 foot at 5 seconds.
.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
3 feet. wave detail: south 3 feet at 7 seconds. scattered showers in
the afternoon.
.friday night...southeast winds 10 to 15 knots with gusts up to
20 knots, becoming east around 5 knots after midnight. seas 2 to
3 feet.
.saturday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. seas 2 to 3 feet. scattered showers in
the afternoon.
.saturday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.sunday...east winds 5 to 10 knots. seas 2 to 3 feet. scattered
showers in the afternoon.
.sunday night...east winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. seas 2 to 3 feet.
winds and seas higher in and near thunderstorms.
$$
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