(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/18/2026 3:30 AM America/Puerto_Rico.
Valid through 10/18/2026 6:00 PM America/Puerto_Rico.
fzca52 tjsj 180730
cwfsju
expires:202610182200;;297027
coastal waters forecast
national weather service san juan pr
330 am ast sun oct 18 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.
amz712-182200-
coastal waters of northern puerto rico out 10 nm-
330 am ast sun oct 18 2026
.today...east winds 5 to 10 knots, increasing to 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 8 seconds and north 3 feet at 10 seconds.
isolated showers until late afternoon, then scattered showers with
isolated thunderstorms late.
.tonight...southeast winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 3 feet at 8 seconds and
north 3 feet at 12 seconds. scattered showers in the evening.
.monday...east winds around 5 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: north 3 feet at 12 seconds and
east 2 feet at 9 seconds. scattered showers.
.monday night...southeast winds 5 to 10 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: northwest 4 feet at 15 seconds
and north 3 feet at 11 seconds. numerous showers, mainly in the
evening.
.tuesday...east winds 5 to 10 knots. seas 4 to 6 feet, occasionally
to 8 feet, building to 6 to 7 feet, occasionally to 9 feet in the
afternoon. wave detail: northwest 6 feet at 14 seconds and north
3 feet at 10 seconds, becoming north 6 feet at 13 seconds and east
2 feet at 8 seconds. scattered showers in the morning, then numerous
showers in the afternoon.
.tuesday night...southeast winds 5 to 10 knots, diminishing to
around 5 knots after midnight. seas 6 to 7 feet, occasionally to
9 feet. wave detail: north 6 feet at 13 seconds and east 2 feet at
8 seconds. scattered showers in the evening.
.wednesday...southeast winds 5 to 10 knots, becoming east in the
afternoon. seas 5 to 6 feet, occasionally to 8 feet. scattered
showers in the afternoon.
.wednesday night...southeast winds 5 to 10 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.thursday...southeast winds 5 to 10 knots, becoming east 10 to
15 knots in the afternoon. seas 4 to 5 feet, occasionally to 6 feet.
scattered showers in the afternoon.
.thursday night...southeast winds 5 to 10 knots, diminishing to
around 5 knots after midnight. seas 4 to 5 feet, occasionally to
6 feet.
winds and seas higher in and near thunderstorms.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/18/2026 3:30 AM America/Puerto_Rico.
Valid through 10/18/2026 6:00 PM America/Puerto_Rico.
fzca52 tjsj 180730
cwfsju
expires:202610182200;;297032
coastal waters forecast
national weather service san juan pr
330 am ast sun oct 18 2026
puerto rico and the u.s. virgin islands waters
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.
amz735-182200-
coastal waters of southern puerto rico out 10 nm-
330 am ast sun oct 18 2026
.today...east winds 5 to 10 knots. seas around 2 feet. wave detail:
east 2 feet at 5 seconds. scattered showers early this morning, then
isolated showers late this morning and afternoon.
.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: east 2 feet at 5 seconds and east 1 foot at 8 seconds.
scattered showers.
.monday...east winds 5 to 10 knots. seas around 2 feet. wave detail:
southeast 2 feet at 5 seconds and east 1 foot at 8 seconds.
.monday night...east winds around 5 knots. seas around 2 feet. wave
detail: east 2 feet at 5 seconds and east 1 foot at 8 seconds.
scattered showers after midnight.
.tuesday...east winds 5 to 10 knots. seas around 2 feet. wave
detail: east 2 feet at 5 seconds and east 1 foot at 8 seconds.
scattered showers in the morning.
.tuesday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds. scattered showers in the
evening, then numerous showers after midnight.
.wednesday...east winds 5 to 10 knots. seas around 2 feet. scattered
showers in the morning.
.wednesday night...east winds 5 to 10 knots. seas around 2 feet.
scattered showers.
.thursday...southeast winds 10 to 15 knots. seas 2 to 3 feet.
numerous showers, mainly in the morning.
.thursday night...east winds 5 to 10 knots. seas 2 to 3 feet.
numerous showers.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/18/2026 3:30 AM America/Puerto_Rico.
Valid through 10/18/2026 6:00 PM America/Puerto_Rico.
fzca52 tjsj 180730
cwfsju
expires:202610182200;;297033
coastal waters forecast
national weather service san juan pr
330 am ast sun oct 18 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.
amz741-182200-
mona passage southward to 17n-
330 am ast sun oct 18 2026
.today...east winds 5 to 10 knots. seas 3 to 4 feet, occasionally to
5 feet. wave detail: north 3 feet at 11 seconds and east 2 feet at
5 seconds. scattered showers, mainly this morning.
.tonight...east winds 5 to 10 knots. seas around 3 feet. wave
detail: north 3 feet at 10 seconds and east 2 feet at 5 seconds.
scattered showers after midnight.
.monday...east winds 5 to 10 knots. seas around 3 feet. wave detail:
southeast 2 feet at 5 seconds and north 2 feet at 11 seconds.
.monday night...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: southeast 2 feet at 5 seconds
and north 2 feet at 11 seconds. scattered showers after midnight.
.tuesday...southeast winds 5 to 10 knots. seas 4 to 6 feet,
occasionally to 8 feet. wave detail: north 5 feet at 14 seconds and
southeast 2 feet at 5 seconds. scattered showers in the morning.
.tuesday night...east winds 5 to 10 knots. seas 4 to 6 feet,
occasionally to 8 feet. wave detail: north 5 feet at 13 seconds and
southeast 2 feet at 5 seconds. scattered showers after midnight.
.wednesday...southeast winds 5 to 10 knots. seas 4 to 6 feet,
occasionally to 8 feet.
.wednesday night...southeast winds around 10 knots. seas 4 to
5 feet, occasionally to 6 feet. scattered showers.
.thursday...southeast winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.thursday night...southeast winds 5 to 10 knots, becoming east 10 to
15 knots after midnight. seas 4 to 5 feet, occasionally to 6 feet.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/18/2026 3:30 AM America/Puerto_Rico.
Valid through 10/18/2026 6:00 PM America/Puerto_Rico.
fzca52 tjsj 180730
cwfsju
expires:202610182200;;297034
coastal waters forecast
national weather service san juan pr
330 am ast sun oct 18 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.
amz742-182200-
coastal waters of northwestern puerto rico out 10 nm-
330 am ast sun oct 18 2026
.today...east winds around 5 knots, becoming northeast this
afternoon. seas 2 to 3 feet. wave detail: north 3 feet at 11 seconds
and southeast 1 foot at 4 seconds. scattered showers with isolated
thunderstorms this afternoon.
.tonight...east winds around 5 knots. seas 2 to 3 feet. wave detail:
north 3 feet at 9 seconds and south 1 foot at 5 seconds. scattered
showers in the evening.
.monday...east winds around 5 knots, becoming north in the
afternoon. seas 2 to 3 feet. wave detail: northeast 3 feet at
12 seconds and south 1 foot at 6 seconds. scattered showers in the
afternoon.
.monday night...east winds around 5 knots. seas 2 to 3 feet. wave
detail: north 3 feet at 11 seconds and northwest 2 feet at
15 seconds. numerous showers in the evening.
.tuesday...east winds around 5 knots. seas 2 to 4 feet, occasionally
to 5 feet, building to 4 to 6 feet, occasionally to 8 feet in the
afternoon. wave detail: north 4 feet at 15 seconds and north 3 feet
at 10 seconds, becoming north 5 feet at 14 seconds. scattered
showers in the afternoon.
.tuesday night...east winds around 5 knots. seas 4 to 6 feet,
occasionally to 8 feet. wave detail: north 6 feet at 13 seconds.
numerous showers, mainly in the evening.
.wednesday...southeast winds around 5 knots, becoming south in the
afternoon. seas 4 to 6 feet, occasionally to 8 feet. scattered
showers in the afternoon.
.wednesday night...east winds around 5 knots. seas 3 to 5 feet,
occasionally to 6 feet.
.thursday...southeast winds around 5 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers in the afternoon.
.thursday night...east winds around 5 knots. seas 3 to 4 feet,
occasionally to 5 feet.
winds and seas higher in and near thunderstorms.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 10/18/2026 3:30 AM America/Puerto_Rico.
Valid through 10/18/2026 6:00 PM America/Puerto_Rico.
fzca52 tjsj 180730
cwfsju
expires:202610182200;;297035
coastal waters forecast
national weather service san juan pr
330 am ast sun oct 18 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.
amz745-182200-
coastal waters of southwestern puerto rico out 10 nm-
330 am ast sun oct 18 2026
.today...east winds 5 to 10 knots, becoming southeast early this
afternoon, then becoming east late. seas around 2 feet. wave detail:
southeast 1 foot at 5 seconds and north 1 foot at 7 seconds.
scattered showers early this morning. scattered showers with
isolated thunderstorms this afternoon.
.tonight...east winds around 5 knots. seas around 2 feet. wave
detail: south 1 foot at 5 seconds and north 1 foot at 7 seconds.
scattered showers in the evening.
.monday...southeast winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 1 foot at 5 seconds.
.monday night...east winds around 5 knots. seas around 2 feet. wave
detail: south 1 foot at 5 seconds and northwest 1 foot at
15 seconds. scattered showers in the evening.
.tuesday...southeast winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: north 4 feet at 15 seconds and
southeast 1 foot at 5 seconds. scattered showers in the afternoon.
.tuesday night...east winds 5 to 10 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: north 5 feet at 14 seconds.
scattered showers after midnight.
.wednesday...southeast winds 5 to 10 knots. seas 3 to 5 feet,
occasionally to 6 feet.
.wednesday night...east winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet.
.thursday...southeast winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet. scattered showers in the afternoon.
.thursday night...east winds around 5 knots. seas 2 to 4 feet,
occasionally to 5 feet.
winds and seas higher in and near thunderstorms.
$$
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