(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/4/2026 4:07 PM America/Puerto_Rico.
Valid through 9/5/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 042007
cwfsju
expires:202609050915;;908635
coastal waters forecast
national weather service san juan pr
407 pm ast fri sep 4 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.
amz712-050915-
coastal waters of northern puerto rico out 10 nm-
407 pm ast fri sep 4 2026
.tonight...east winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots late this evening and overnight. seas
2 to 3 feet. wave detail: northeast 3 feet at 8 seconds. isolated
showers this evening. scattered showers after midnight, then
isolated showers late.
.saturday...east winds 10 to 15 knots, increasing to 15 to 20 knots
with gusts up to 25 knots in the afternoon. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: northeast 3 feet at 8 seconds.
.saturday night...east winds 10 to 15 knots with gusts up to
25 knots, becoming southeast 5 to 10 knots after midnight. seas 3 to
4 feet, occasionally to 5 feet. wave detail: east 3 feet at
8 seconds.
.sunday...east winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 25 knots in the afternoon. seas around 3 feet. wave
detail: east 3 feet at 7 seconds. scattered showers in the morning,
then numerous showers in the afternoon.
.sunday night...east winds 10 to 15 knots with gusts up to 20 knots,
becoming southeast 5 to 10 knots after midnight. seas around 3 feet.
wave detail: east 3 feet at 7 seconds. scattered showers.
.monday...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: east 3 feet at 7 seconds and north 1 foot at 10 seconds.
numerous showers in the afternoon.
.monday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 4 feet, occasionally to 5 feet.
.tuesday...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 afternoon.
.tuesday night...east winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.wednesday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 4 to 5 feet, occasionally to 6 feet.
scattered showers.
.wednesday night...east winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/4/2026 4:07 PM America/Puerto_Rico.
Valid through 9/5/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 042007
cwfsju
expires:202609050915;;908640
coastal waters forecast
national weather service san juan pr
407 pm ast fri sep 4 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.
amz735-050915-
coastal waters of southern puerto rico out 10 nm-
407 pm ast fri sep 4 2026
.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds. scattered showers early this
evening, then isolated showers late this evening and overnight.
.saturday...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 and
east 1 foot at 8 seconds.
.saturday night...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 and east 2 feet at 8 seconds.
.sunday...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 3 feet. wave detail: east 2 feet at 6 seconds. scattered
showers in the morning.
.sunday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: east 2 feet at 6 seconds. scattered
showers.
.monday...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.
.monday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas around 3 feet.
.tuesday...east winds 10 to 15 knots. seas 3 to 4 feet, occasionally
to 5 feet. scattered showers in the morning.
.tuesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.wednesday...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.
.wednesday night...east winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/4/2026 4:07 PM America/Puerto_Rico.
Valid through 9/5/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 042007
cwfsju
expires:202609050915;;908641
coastal waters forecast
national weather service san juan pr
407 pm ast fri sep 4 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.
amz741-050915-
mona passage southward to 17n-
407 pm ast fri sep 4 2026
.tonight...east winds 5 to 10 knots with gusts up to 20 knots,
increasing to 10 to 15 knots with gusts up to 20 knots late. seas
2 to 3 feet. wave detail: east 3 feet at 6 seconds. scattered
showers early this evening, then isolated showers late this evening
and early morning.
.saturday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: east 3 feet at 6 seconds. scattered
showers in the afternoon.
.saturday night...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 and northeast 1 foot at 8 seconds.
.sunday...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 5 seconds and northeast 1 foot at 8 seconds.
.sunday night...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.
.monday...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.
.monday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. seas 3 to 4 feet, occasionally to 5 feet.
.tuesday...east winds 15 to 20 knots. seas 3 to 5 feet, occasionally
to 6 feet. scattered showers in the afternoon.
.tuesday night...east winds 15 to 20 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.wednesday...east winds 15 to 20 knots. seas 4 to 6 feet,
occasionally to 8 feet. scattered showers in the afternoon.
.wednesday night...east winds 15 to 20 knots. seas 4 to 6 feet,
occasionally to 8 feet.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/4/2026 4:07 PM America/Puerto_Rico.
Valid through 9/5/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 042007
cwfsju
expires:202609050915;;908642
coastal waters forecast
national weather service san juan pr
407 pm ast fri sep 4 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.
amz742-050915-
coastal waters of northwestern puerto rico out 10 nm-
407 pm ast fri sep 4 2026
.tonight...northeast winds 5 to 10 knots, becoming east late this
evening and overnight. seas around 2 feet. wave detail: east 1 foot
at 4 seconds and north 1 foot at 10 seconds. scattered showers with
isolated thunderstorms early this evening.
.saturday...east winds around 5 knots, becoming north in the
afternoon. seas around 2 feet. wave detail: northeast 2 feet at
5 seconds. scattered showers in the afternoon.
.saturday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: northeast 2 feet at 8 seconds and south 1 foot at 4 seconds.
.sunday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
northeast 2 feet at 6 seconds and south 1 foot at 4 seconds.
numerous showers in the afternoon.
.sunday night...east winds around 5 knots, increasing to 5 to
10 knots after midnight. seas around 2 feet. wave detail: northeast
2 feet at 7 seconds and south 1 foot at 4 seconds.
.monday...east winds 5 to 10 knots, becoming northeast in the
afternoon. seas 2 to 3 feet. wave detail: northeast 2 feet at
7 seconds and south 1 foot at 5 seconds. scattered showers in the
afternoon.
.monday night...east winds around 5 knots, increasing to 5 to
10 knots after midnight. seas 2 to 3 feet.
.tuesday...east winds 5 to 10 knots. seas 2 to 3 feet. numerous
showers in the afternoon.
.tuesday night...east winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet.
.wednesday...east winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. numerous showers in the afternoon.
.wednesday night...east winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet.
winds and seas higher in and near thunderstorms.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/4/2026 4:07 PM America/Puerto_Rico.
Valid through 9/5/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 042007
cwfsju
expires:202609050915;;908643
coastal waters forecast
national weather service san juan pr
407 pm ast fri sep 4 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.
amz745-050915-
coastal waters of southwestern puerto rico out 10 nm-
407 pm ast fri sep 4 2026
.tonight...east winds 5 to 10 knots. seas around 2 feet this
evening, then 1 foot or less. wave detail: southeast 1 foot at
4 seconds. isolated showers until early morning.
.saturday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots in the afternoon. seas around
2 feet. wave detail: southeast 2 feet at 5 seconds.
.saturday night...east winds 10 to 15 knots with gusts up to
20 knots. seas around 2 feet. wave detail: southeast 2 feet at
4 seconds.
.sunday...southeast winds 10 to 15 knots with gusts up to 20 knots.
seas around 2 feet. wave detail: southeast 2 feet at 5 seconds.
.sunday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas around 2 feet. wave detail: southeast 2 feet at 5 seconds.
.monday...southeast winds 10 to 15 knots with gusts up to 20 knots.
seas around 2 feet. wave detail: southeast 2 feet at 5 seconds.
.monday night...east winds 5 to 10 knots. seas around 2 feet.
.tuesday...east winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. seas 2 to 3 feet. scattered showers in the afternoon.
.tuesday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet.
.wednesday...east winds 10 to 15 knots. seas 2 to 3 feet. scattered
showers in the afternoon.
.wednesday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet.
$$
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