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(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/19/2026 3:33 AM America/Puerto_Rico.
Valid through 8/19/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 190733
cwfsju
expires:202608192015;;979684
coastal waters forecast
national weather service san juan pr
333 am ast wed aug 19 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.
amz712-192015-
coastal waters of northern puerto rico out 10 nm-
333 am ast wed aug 19 2026
...small craft should exercise caution...
.today...east winds 10 to 15 knots, increasing to 15 to 20 knots
early this afternoon, then diminishing to 10 to 15 knots late. seas
3 to 4 feet, occasionally to 5 feet. wave detail: east 3 feet at
8 seconds. isolated thunderstorms.
.tonight...east 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
5 seconds and east 3 feet at 8 seconds. scattered showers.
.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 5 feet, occasionally to 6 feet. wave detail:
northeast 4 feet at 7 seconds.
.thursday night...east winds 15 to 20 knots with gusts up to
30 knots, diminishing to 10 to 15 knots with gusts up to 20 knots
after midnight. seas 4 to 5 feet, occasionally to 6 feet. wave
detail: northeast 4 feet at 7 seconds.
.friday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. gusts up to 30 knots. seas 4 to 5 feet, occasionally
to 6 feet. wave detail: northeast 5 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.
wave detail: northeast 4 feet at 7 seconds.
.saturday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas around 4 feet, occasionally to 5 feet.
scattered showers in the afternoon.
.saturday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
scattered showers.
.sunday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 3 to 5 feet, occasionally to 6 feet. 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.
scattered showers.
winds and seas higher in and near thunderstorms.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/19/2026 3:33 AM America/Puerto_Rico.
Valid through 8/19/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 190733
cwfsju
expires:202608192015;;979689
coastal waters forecast
national weather service san juan pr
333 am ast wed aug 19 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz735-192015-
coastal waters of southern puerto rico out 10 nm-
333 am ast wed aug 19 2026
.today...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 3 feet. wave detail: east 3 feet at 7 seconds. scattered
showers with isolated thunderstorms.
.tonight...east winds 10 to 15 knots with gusts up to 25 knots. seas
2 to 3 feet. wave detail: east 3 feet at 5 seconds. scattered
showers after midnight.
.thursday...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet
at 6 seconds.
.thursday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. gusts up to 30 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 4 feet at 6 seconds.
.friday...east winds 15 to 20 knots with gusts up to 25 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: east 4 feet at
6 seconds.
.friday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 5 feet, occasionally to 6 feet. wave detail: east 4 feet
at 7 seconds.
.saturday...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.saturday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers.
.sunday...east winds 10 to 15 knots. seas 3 to 4 feet, occasionally
to 5 feet.
.sunday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
winds and seas higher in and near thunderstorms.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/19/2026 3:33 AM America/Puerto_Rico.
Valid through 8/19/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 190733
cwfsju
expires:202608192015;;979690
coastal waters forecast
national weather service san juan pr
333 am ast wed aug 19 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.
amz741-192015-
mona passage southward to 17n-
333 am ast wed aug 19 2026
.today...east winds 10 to 15 knots with gusts up to 20 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet at
6 seconds. isolated thunderstorms. scattered showers until late
afternoon, then isolated showers late.
.tonight...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 5 seconds and northeast 1 foot at 8 seconds. scattered showers.
.thursday...east winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. seas 3 to 5 feet, occasionally to 6 feet. wave
detail: east 4 feet at 5 seconds and northeast 1 foot at 8 seconds.
scattered showers.
.thursday night...east winds 15 to 20 knots with gusts up to
30 knots. seas 4 to 5 feet, occasionally to 6 feet. wave detail:
northeast 5 feet at 7 seconds. scattered showers in the evening.
.friday...east winds 15 to 20 knots with gusts up to 25 knots. seas
4 to 5 feet, occasionally to 6 feet. wave detail: northeast 5 feet
at 7 seconds. scattered showers in the afternoon.
.friday night...east winds 15 to 20 knots with gusts up to 30 knots.
seas 4 to 6 feet, occasionally to 8 feet. wave detail: northeast
6 feet at 7 seconds.
.saturday...east winds 15 to 20 knots. seas 4 to 6 feet,
occasionally to 8 feet. scattered showers in the afternoon.
.saturday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. seas 4 to 5 feet, occasionally to 6 feet.
scattered showers.
.sunday...east winds 15 to 20 knots. seas 3 to 5 feet, occasionally
to 6 feet.
.sunday night...east winds 15 to 20 knots. seas 3 to 5 feet,
occasionally to 6 feet.
winds and seas higher in and near thunderstorms.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/19/2026 3:33 AM America/Puerto_Rico.
Valid through 8/19/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 190733
cwfsju
expires:202608192015;;979691
coastal waters forecast
national weather service san juan pr
333 am ast wed aug 19 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.
amz742-192015-
coastal waters of northwestern puerto rico out 10 nm-
333 am ast wed aug 19 2026
.today...east winds 5 to 10 knots, diminishing to around 5 knots
late this morning, then becoming north this afternoon. seas around
2 feet. wave detail: northeast 2 feet at 4 seconds and northeast
1 foot at 8 seconds. numerous showers with isolated thunderstorms
this afternoon.
.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds and northeast 1 foot at
8 seconds. scattered showers.
.thursday...east winds around 5 knots, becoming northeast 10 to
15 knots with gusts up to 20 knots in the afternoon. seas 2 to
3 feet. wave detail: southeast 2 feet at 5 seconds and north 1 foot
at 8 seconds. scattered showers in the afternoon.
.thursday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 4 feet, occasionally to 5 feet.
wave detail: northeast 2 feet at 6 seconds. scattered showers in the
evening.
.friday...east winds 5 to 10 knots, becoming northeast 10 to
15 knots with gusts up to 20 knots in the afternoon. seas 2 to
3 feet. wave detail: south 2 feet at 6 seconds. scattered showers in
the afternoon.
.friday night...northeast winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 4 feet, occasionally to 5 feet. wave detail:
east 3 feet at 7 seconds.
.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 3 feet.
scattered showers.
.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. seas 2 to 3 feet.
winds and seas higher in and near thunderstorms.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/19/2026 3:33 AM America/Puerto_Rico.
Valid through 8/19/2026 4:15 PM America/Puerto_Rico.
fzca52 tjsj 190733
cwfsju
expires:202608192015;;979692
coastal waters forecast
national weather service san juan pr
333 am ast wed aug 19 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.
amz745-192015-
coastal waters of southwestern puerto rico out 10 nm-
333 am ast wed aug 19 2026
.today...east winds 5 to 10 knots, becoming southeast 10 to 15 knots
with gusts up to 20 knots late this morning and afternoon. seas
around 2 feet. wave detail: southeast 2 feet at 4 seconds. isolated
showers this morning, then scattered showers with isolated
thunderstorms this afternoon.
.tonight...east winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots after midnight. seas around 2 feet. wave
detail: southeast 2 feet at 4 seconds.
.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.
scattered showers in the afternoon.
.thursday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 2 to 3 feet. wave detail: southeast
3 feet at 5 seconds.
.friday...east winds 5 to 10 knots, becoming southeast in the
afternoon. seas 2 to 3 feet. wave detail: southeast 2 feet at
6 seconds.
.friday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 2 feet at 6 seconds.
.saturday...east winds 10 to 15 knots. seas 2 to 3 feet. scattered
showers in the afternoon.
.saturday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet.
.sunday...east winds 10 to 15 knots. seas 2 to 3 feet.
.sunday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet.
winds and seas higher in and near thunderstorms.
$$
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