(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/15/2026 4:12 PM America/Puerto_Rico.
Valid through 9/16/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 152012
cwfsju
expires:202609160915;;509252
coastal waters forecast
national weather service san juan pr
412 pm ast tue sep 15 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.
amz712-160915-
coastal waters of northern puerto rico out 10 nm-
412 pm ast tue sep 15 2026
.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 4 feet at
6 seconds and east 2 feet at 9 seconds. isolated thunderstorms early
this evening. scattered showers until early morning, then isolated
showers late.
.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: east 4 feet at 7 seconds. scattered showers in the morning.
.wednesday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 3 to 4 feet, occasionally to 5 feet.
wave detail: east 4 feet at 6 seconds.
.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 and north 1 foot at 14 seconds. numerous showers.
.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:
east 4 feet at 7 seconds and northeast 1 foot at 13 seconds.
scattered showers.
.friday...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
7 seconds and northeast 1 foot at 12 seconds.
.friday night...east 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.
.saturday...east winds 5 to 10 knots, increasing to 10 to 15 knots
in the afternoon. seas 3 to 4 feet, occasionally to 5 feet.
scattered showers in the afternoon.
.saturday night...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers.
.sunday...east winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. seas around 3 feet. scattered showers in the
afternoon.
.sunday night...southeast winds 5 to 10 knots. seas 2 to 3 feet.
scattered showers.
winds and seas higher in and near thunderstorms.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/15/2026 4:12 PM America/Puerto_Rico.
Valid through 9/16/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 152012
cwfsju
expires:202609160915;;509257
coastal waters forecast
national weather service san juan pr
412 pm ast tue sep 15 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.
amz735-160915-
coastal waters of southern puerto rico out 10 nm-
412 pm ast tue sep 15 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: east 4 feet at
6 seconds. isolated showers early this evening, then scattered
showers late this evening. isolated showers after midnight.
.wednesday...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.
.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:
east 4 feet at 6 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. showers, mainly in the morning.
.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:
east 4 feet at 7 seconds. numerous showers.
.friday...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 7 seconds. scattered showers in the morning.
.friday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 4 feet, occasionally to 5 feet.
.saturday...east winds 10 to 15 knots. seas around 3 feet.
.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 5 to 10 knots. seas 2 to 3 feet.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/15/2026 4:12 PM America/Puerto_Rico.
Valid through 9/16/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 152012
cwfsju
expires:202609160915;;509258
coastal waters forecast
national weather service san juan pr
412 pm ast tue sep 15 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.
amz741-160915-
mona passage southward to 17n-
412 pm ast tue sep 15 2026
...small craft should exercise caution...
.tonight...east winds 10 to 15 knots, increasing to 15 to 20 knots
late this evening and overnight. seas 3 to 5 feet, occasionally to
6 feet. wave detail: northeast 4 feet at 7 seconds. numerous showers
with isolated thunderstorms early this evening, then scattered
showers late this evening. isolated showers after midnight.
.wednesday...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 5 feet, occasionally to 6 feet. wave detail: northeast
4 feet at 6 seconds.
.wednesday night...east winds 15 to 20 knots with gusts up to
25 knots. seas 3 to 5 feet, occasionally to 6 feet. wave detail:
northeast 5 feet at 6 seconds.
.thursday...east winds 15 to 20 knots with gusts up to 25 knots.
seas 3 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet
at 6 seconds. scattered showers in the afternoon.
.thursday night...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. scattered showers.
.friday...east winds 10 to 15 knots with gusts up to 20 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet at
7 seconds. numerous showers, mainly in the morning.
.friday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 4 to 5 feet, occasionally to 6 feet.
.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. scattered showers.
winds and seas higher in and near thunderstorms.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/15/2026 4:12 PM America/Puerto_Rico.
Valid through 9/16/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 152012
cwfsju
expires:202609160915;;509259
coastal waters forecast
national weather service san juan pr
412 pm ast tue sep 15 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.
amz742-160915-
coastal waters of northwestern puerto rico out 10 nm-
412 pm ast tue sep 15 2026
.tonight...east winds 10 to 15 knots, diminishing to 5 to 10 knots
late. seas 2 to 3 feet. wave detail: northeast 2 feet at 5 seconds
and northeast 1 foot at 9 seconds. scattered showers with isolated
thunderstorms early this evening, then isolated showers late this
evening.
.wednesday...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: east 2 feet at 6 seconds. scattered showers in
the afternoon.
.wednesday night...east winds 10 to 15 knots with gusts up to
25 knots, diminishing to 5 to 10 knots after midnight. seas 2 to
3 feet. wave detail: northeast 3 feet at 6 seconds.
.thursday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
northeast 2 feet at 5 seconds and south 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: northeast 2 feet at 6 seconds and south 1 foot at 4 seconds.
.friday...east winds 5 to 10 knots, becoming northeast in the
afternoon. seas 2 to 3 feet. wave detail: northeast 2 feet at
6 seconds and south 1 foot at 5 seconds. numerous showers in the
afternoon.
.friday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.saturday...east winds around 5 knots. seas 2 to 3 feet. numerous
showers in the afternoon.
.saturday night...east winds around 5 knots. seas 2 to 3 feet.
scattered showers.
.sunday...east winds around 5 knots. seas 2 to 3 feet. scattered
showers.
.sunday night...east winds around 5 knots. seas 2 to 3 feet.
scattered showers.
winds and seas higher in and near thunderstorms.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/15/2026 4:12 PM America/Puerto_Rico.
Valid through 9/16/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 152012
cwfsju
expires:202609160915;;509260
coastal waters forecast
national weather service san juan pr
412 pm ast tue sep 15 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.
amz745-160915-
coastal waters of southwestern puerto rico out 10 nm-
412 pm ast tue sep 15 2026
.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds. isolated showers early this
evening.
.wednesday...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds.
.wednesday night...east winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. seas around 2 feet. wave detail: southeast
2 feet at 5 seconds.
.thursday...east winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. seas 2 to 3 feet. wave detail: southeast
3 feet at 5 seconds. scattered showers in the afternoon.
.thursday night...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.
.friday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots in the afternoon. seas 2 to
3 feet. wave detail: southeast 2 feet at 6 seconds. scattered
showers.
.friday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.saturday...east winds 5 to 10 knots. seas 2 to 3 feet. numerous
showers in the afternoon.
.saturday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.sunday...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.
.sunday night...east winds 5 to 10 knots. seas 2 to 3 feet.
$$
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