(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/31/2026 4:08 PM America/Puerto_Rico.
Valid through 8/1/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 312008
cwfsju
expires:202608010915;;406077
coastal waters forecast
national weather service san juan pr
408 pm ast fri jul 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.
amz712-010915-
coastal waters of northern puerto rico out 10 nm-
408 pm ast fri jul 31 2026
...small craft should exercise caution...
.tonight...east winds 15 to 20 knots, diminishing to 10 to 15 knots
late this evening and overnight. seas 4 to 5 feet, occasionally to
6 feet. wave detail: east 5 feet at 8 seconds. isolated showers.
.saturday...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:
east 5 feet at 8 seconds. scattered showers in the afternoon.
.saturday night...east winds 15 to 20 knots, becoming southeast
10 to 15 knots after midnight. seas 4 to 5 feet, occasionally to
6 feet. wave detail: east 5 feet at 8 seconds. scattered showers.
.sunday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 4 to 5 feet, occasionally to 6 feet. wave
detail: east 5 feet at 8 seconds. scattered showers in the
afternoon.
.sunday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 4 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet
at 8 seconds.
.monday...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 around 4 feet, occasionally to 5 feet. wave detail:
east 4 feet at 7 seconds.
.monday 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 3 to 5 feet, occasionally to 6 feet.
.tuesday...east winds 10 to 15 knots. seas 3 to 4 feet, occasionally
to 5 feet.
.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 around 3 feet. scattered showers in the
afternoon.
.wednesday night...east winds 10 to 15 knots, becoming southeast
5 to 10 knots after midnight. seas 2 to 3 feet.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/31/2026 4:08 PM America/Puerto_Rico.
Valid through 8/1/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 312008
cwfsju
expires:202608010915;;406082
coastal waters forecast
national weather service san juan pr
408 pm ast fri jul 31 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz735-010915-
coastal waters of southern puerto rico out 10 nm-
408 pm ast fri jul 31 2026
.tonight...east winds 10 to 15 knots with gusts up to 25 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet at
7 seconds. isolated showers.
.saturday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 3 to 4 feet, occasionally to 5 feet. wave
detail: southeast 4 feet at 7 seconds. scattered showers in the
afternoon.
.saturday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 3 to 4 feet, occasionally to 5 feet. wave detail:
southeast 4 feet at 6 seconds.
.sunday...east winds 10 to 15 knots with gusts up to 25 knots. seas
around 3 feet. wave detail: southeast 3 feet at 6 seconds.
.sunday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: southeast
3 feet at 6 seconds.
.monday...east winds 10 to 15 knots with gusts up to 25 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: southeast 3 feet
at 6 seconds.
.monday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 4 feet, occasionally to 5 feet.
.tuesday...east winds 10 to 15 knots. seas 3 to 4 feet, occasionally
to 5 feet.
.tuesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet.
.wednesday...east winds 10 to 15 knots. seas 2 to 3 feet.
.wednesday night...east winds 10 to 15 knots. seas 2 to 3 feet.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/31/2026 4:08 PM America/Puerto_Rico.
Valid through 8/1/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 312008
cwfsju
expires:202608010915;;406083
coastal waters forecast
national weather service san juan pr
408 pm ast fri jul 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.
amz741-010915-
mona passage southward to 17n-
408 pm ast fri jul 31 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 4 to 5 feet, occasionally to
6 feet. wave detail: southeast 5 feet at 7 seconds. isolated showers
and thunderstorms early this evening, then isolated showers late
this evening.
.saturday...east 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 7 seconds. scattered showers.
.saturday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 4 to 5 feet, occasionally to 6 feet. wave detail:
southeast 5 feet at 7 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 6 seconds.
.sunday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
wave detail: southeast 4 feet at 6 seconds. scattered showers after
midnight.
.monday...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 5 feet at 7 seconds. scattered showers in the
afternoon.
.monday night...east winds 15 to 20 knots with gusts up to 25 knots.
seas 4 to 5 feet, occasionally to 6 feet.
.tuesday...east winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. seas 3 to 5 feet, occasionally to 6 feet.
.tuesday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. seas 3 to 5 feet, occasionally to 6 feet.
.wednesday...east winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet.
.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.
winds and seas higher in and near thunderstorms.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/31/2026 4:08 PM America/Puerto_Rico.
Valid through 8/1/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 312008
cwfsju
expires:202608010915;;406084
coastal waters forecast
national weather service san juan pr
408 pm ast fri jul 31 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz742-010915-
coastal waters of northwestern puerto rico out 10 nm-
408 pm ast fri jul 31 2026
.tonight...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: south 2 feet at 6 seconds. scattered showers
with isolated thunderstorms early this evening.
.saturday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
south 2 feet at 6 seconds. numerous showers in the afternoon.
.saturday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: south 2 feet at 6 seconds. scattered showers in the evening.
.sunday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
southeast 2 feet at 6 seconds. numerous showers in the afternoon.
.sunday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: south 2 feet at 6 seconds.
.monday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
south 2 feet at 6 seconds. numerous showers in the afternoon.
.monday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet.
.tuesday...northeast winds 5 to 10 knots. seas 2 to 3 feet.
scattered showers in the afternoon.
.tuesday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet.
.wednesday...northeast winds around 5 knots. seas 2 to 3 feet.
numerous showers in the afternoon.
.wednesday night...east winds 5 to 10 knots. seas around 2 feet.
winds and seas higher in and near thunderstorms.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/31/2026 4:08 PM America/Puerto_Rico.
Valid through 8/1/2026 5:15 AM America/Puerto_Rico.
fzca52 tjsj 312008
cwfsju
expires:202608010915;;406085
coastal waters forecast
national weather service san juan pr
408 pm ast fri jul 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.
amz745-010915-
coastal waters of southwestern puerto rico out 10 nm-
408 pm ast fri jul 31 2026
.tonight...east winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 25 knots late this evening and early morning, then
diminishing to 5 to 10 knots late. seas 2 to 3 feet. wave detail:
southeast 2 feet at 6 seconds. scattered showers early this evening.
.saturday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. gusts up to 25 knots. seas 2 to 3 feet.
wave detail: southeast 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
6 seconds.
.sunday...southeast winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: east 2 feet at 5 seconds. scattered
showers in the afternoon.
.sunday 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.
.monday...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. scattered
showers in the afternoon.
.monday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet.
.tuesday...east winds 5 to 10 knots, becoming southeast in the
afternoon. seas 2 to 3 feet. scattered showers in the afternoon.
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.wednesday...southeast winds 5 to 10 knots. seas 2 to 3 feet.
scattered showers in the afternoon.
.wednesday night...east winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. seas 2 to 3 feet.
$$
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