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(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/31/2026 10:25 AM America/Puerto_Rico.
Valid through 8/31/2026 11:15 PM America/Puerto_Rico.
fzca52 tjsj 311425
cwfsju
expires:202609010315;;667045
coastal waters forecast
national weather service san juan pr
1025 am ast mon aug 31 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.
amz712-010315-
coastal waters of northern puerto rico out 10 nm-
1025 am ast mon aug 31 2026
...small craft advisory in effect until noon ast today...
...small craft should exercise caution...
.rest of today...east winds 5 to 10 knots with gusts up to 20 knots.
seas 5 to 7 feet, occasionally to 9 feet. wave detail: northeast
6 feet at 10 seconds. numerous showers with isolated thunderstorms.
.tonight...east winds 5 to 10 knots. seas 4 to 5 feet, occasionally
to 6 feet. wave detail: east 5 feet at 10 seconds. scattered
showers.
.tuesday...east winds 10 to 15 knots with gusts up to 20 knots. seas
around 4 feet, occasionally to 5 feet. wave detail: east 4 feet at
9 seconds. scattered showers.
.tuesday 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. wave detail: east 4 feet at
9 seconds. scattered showers.
.wednesday...east winds 10 to 15 knots with gusts up to 20 knots.
seas around 3 feet. wave detail: east 3 feet at 5 seconds and
northeast 3 feet at 8 seconds. scattered showers.
.wednesday night...east winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. seas 2 to
3 feet. wave detail: east 3 feet at 5 seconds and northeast 2 feet
at 8 seconds.
.thursday...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.
.thursday night...east winds 10 to 15 knots. seas 2 to 3 feet.
.friday...east winds 10 to 15 knots. seas 2 to 3 feet. scattered
showers in the afternoon.
.friday night...east winds 10 to 15 knots. seas around 3 feet.
scattered showers.
winds and seas higher in and near thunderstorms.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/31/2026 10:25 AM America/Puerto_Rico.
Valid through 8/31/2026 11:15 PM America/Puerto_Rico.
fzca52 tjsj 311425
cwfsju
expires:202609010315;;667050
coastal waters forecast
national weather service san juan pr
1025 am ast mon aug 31 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.
amz735-010315-
coastal waters of southern puerto rico out 10 nm-
1025 am ast mon aug 31 2026
...small craft should exercise caution...
.rest of today...east winds 15 to 20 knots, diminishing to 10 to
15 knots late. seas 3 to 5 feet, occasionally to 6 feet. wave
detail: southeast 4 feet at 5 seconds. isolated thunderstorms.
numerous showers late this morning and early afternoon, then
scattered showers late.
.tonight...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 east 4 feet at 10 seconds. scattered showers.
.tuesday...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 7 seconds and east 3 feet at 9 seconds.
.tuesday night...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 and east 3 feet at 8 seconds.
scattered showers in the evening.
.wednesday...east winds 10 to 15 knots with gusts up to 20 knots.
seas around 3 feet. wave detail: east 3 feet at 7 seconds.
.wednesday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 3 feet. wave detail: southeast 3 feet at
6 seconds.
.thursday...east winds 5 to 10 knots, increasing to 10 to 15 knots
in the afternoon. seas 2 to 3 feet.
.thursday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet.
.friday...east winds 10 to 15 knots. seas 2 to 3 feet. scattered
showers in the afternoon.
.friday night...east winds 10 to 15 knots. seas 2 to 3 feet.
scattered showers.
winds and seas higher in and near thunderstorms.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/31/2026 10:25 AM America/Puerto_Rico.
Valid through 8/31/2026 11:15 PM America/Puerto_Rico.
fzca52 tjsj 311425
cwfsju
expires:202609010315;;667051
coastal waters forecast
national weather service san juan pr
1025 am ast mon aug 31 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.
amz741-010315-
mona passage southward to 17n-
1025 am ast mon aug 31 2026
...small craft should exercise caution...
.rest of today...southeast winds 15 to 20 knots with gusts up to
25 knots. seas 4 to 5 feet, occasionally to 6 feet. wave detail:
southeast 5 feet at 5 seconds and northeast 2 feet at 8 seconds.
scattered showers late this morning, then numerous showers with
isolated thunderstorms this afternoon.
.tonight...east winds 15 to 20 knots, diminishing to 10 to 15 knots
after midnight. seas 5 to 6 feet, occasionally to 8 feet. wave
detail: southeast 5 feet at 6 seconds and northeast 2 feet at
9 seconds. scattered showers in the evening.
.tuesday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 4 to 6 feet, occasionally to 8 feet. wave
detail: southeast 5 feet at 7 seconds and northeast 3 feet at
9 seconds.
.tuesday 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 5 feet at 7 seconds and northeast 3 feet at 9 seconds.
scattered showers in the evening.
.wednesday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 5 feet, occasionally to 6 feet. wave detail: southeast
4 feet at 7 seconds and northeast 2 feet at 8 seconds.
.wednesday 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 7 seconds.
.thursday...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. numerous showers in the afternoon.
.thursday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.friday...east winds 10 to 15 knots. seas 2 to 4 feet, occasionally
to 5 feet.
.friday 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 8/31/2026 10:25 AM America/Puerto_Rico.
Valid through 8/31/2026 11:15 PM America/Puerto_Rico.
fzca52 tjsj 311425
cwfsju
expires:202609010315;;667052
coastal waters forecast
national weather service san juan pr
1025 am ast mon aug 31 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.
amz742-010315-
coastal waters of northwestern puerto rico out 10 nm-
1025 am ast mon aug 31 2026
.rest of today...southeast 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 8 seconds and south 2 feet at 4 seconds.
scattered showers late this morning, then numerous showers with
isolated thunderstorms this afternoon.
.tonight...east winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots after midnight. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: northeast 4 feet at 9 seconds
and south 2 feet at 5 seconds.
.tuesday...east winds around 5 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: northeast 3 feet at 9 seconds and south
2 feet at 6 seconds. numerous showers in the afternoon.
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: northeast 2 feet at 9 seconds and south 1 foot at 6 seconds.
scattered showers in the evening.
.wednesday...east winds 5 to 10 knots, becoming northeast in the
afternoon. seas 2 to 3 feet. wave detail: northeast 2 feet at
8 seconds and southeast 1 foot at 6 seconds. numerous showers in the
afternoon.
.wednesday night...east winds 5 to 10 knots. seas around 2 feet.
wave detail: northeast 2 feet at 8 seconds and southeast 1 foot at
5 seconds.
.thursday...northeast winds 5 to 10 knots. seas around 2 feet.
numerous showers in the afternoon.
.thursday night...east winds 5 to 10 knots. seas around 2 feet.
.friday...east winds 5 to 10 knots. seas around 2 feet. numerous
showers in the afternoon.
.friday night...east winds 5 to 10 knots. seas around 2 feet.
scattered showers.
winds and seas higher in and near thunderstorms.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 8/31/2026 10:25 AM America/Puerto_Rico.
Valid through 8/31/2026 11:15 PM America/Puerto_Rico.
fzca52 tjsj 311425
cwfsju
expires:202609010315;;667053
coastal waters forecast
national weather service san juan pr
1025 am ast mon aug 31 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.
amz745-010315-
coastal waters of southwestern puerto rico out 10 nm-
1025 am ast mon aug 31 2026
...small craft should exercise caution...
.rest of today...southeast winds 15 to 20 knots with gusts up to
25 knots. seas 2 to 3 feet. wave detail: southeast 3 feet at
4 seconds. isolated thunderstorms. numerous showers late this
morning, then scattered showers this afternoon.
.tonight...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. scattered
showers.
.tuesday...east winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. seas 2 to 3 feet. wave
detail: east 3 feet at 6 seconds.
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 2 feet at 6 seconds.
.wednesday...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: south 2 feet at 6 seconds. scattered showers in
the afternoon.
.wednesday night...east winds 5 to 10 knots. seas around 2 feet.
wave detail: southeast 2 feet at 5 seconds.
.thursday...east winds 5 to 10 knots. seas around 2 feet. scattered
showers in the afternoon.
.thursday night...east winds 5 to 10 knots. seas around 2 feet.
.friday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. seas around 2 feet.
.friday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas around 2 feet. scattered showers.
winds and seas higher in and near thunderstorms.
$$
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