(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/20/2026 4:50 PM America/Puerto_Rico.
Valid through 7/21/2026 5:45 AM America/Puerto_Rico.
fzca52 tjsj 202050
cwfsju
expires:202607210945;;309065
coastal waters forecast
national weather service san juan pr
450 pm ast mon jul 20 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.
amz712-210945-
coastal waters of northern puerto rico out 10 nm-
450 pm ast mon jul 20 2026
.tonight...east winds 10 to 15 knots, diminishing to 5 to 10 knots
late. seas 3 to 4 feet, occasionally to 5 feet. wave detail:
northeast 4 feet at 7 seconds. isolated showers until early morning,
then scattered showers late.
.tuesday...northeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. seas around 3 feet. wave detail:
northeast 3 feet at 7 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 around
3 feet. wave detail: northeast 3 feet at 7 seconds. scattered
showers.
.wednesday...east winds 10 to 15 knots with gusts up to 25 knots.
seas around 3 feet. wave detail: northeast 3 feet at 7 seconds.
scattered showers in the afternoon.
.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:
northeast 3 feet at 7 seconds.
.thursday...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: northeast 4 feet at 7 seconds.
.thursday night...east winds 10 to 15 knots, becoming southeast 5 to
10 knots after midnight. seas 3 to 4 feet, occasionally to 5 feet.
.friday...east winds 10 to 15 knots. seas 3 to 4 feet, occasionally
to 5 feet.
.friday night...east winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet.
.saturday...east winds 15 to 20 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.saturday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 4 to 6 feet, occasionally to 8 feet.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/20/2026 4:50 PM America/Puerto_Rico.
Valid through 7/21/2026 5:45 AM America/Puerto_Rico.
fzca52 tjsj 202050
cwfsju
expires:202607210945;;309070
coastal waters forecast
national weather service san juan pr
450 pm ast mon jul 20 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.
amz735-210945-
coastal waters of southern puerto rico out 10 nm-
450 pm ast mon jul 20 2026
.tonight...east winds 10 to 15 knots with gusts up to 25 knots,
becoming northeast 5 to 10 knots late. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: east 4 feet at 7 seconds.
isolated showers early this evening. isolated showers late.
.tuesday...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: east 3 feet at 7 seconds. scattered showers in
the afternoon.
.tuesday 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 6 seconds. scattered showers in
the evening.
.wednesday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. seas 2 to 3 feet. wave detail: southeast
3 feet at 5 seconds. scattered showers in the morning.
.wednesday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 3 feet. wave detail: east 3 feet at 5 seconds.
scattered showers.
.thursday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: southeast
3 feet at 5 seconds.
.thursday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 3 to 4 feet, occasionally to 5 feet.
.friday...east winds 10 to 15 knots. seas 3 to 5 feet, occasionally
to 6 feet.
.friday night...east winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet.
.saturday...east winds 15 to 20 knots. seas 3 to 5 feet,
occasionally to 6 feet.
.saturday 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 7/20/2026 4:50 PM America/Puerto_Rico.
Valid through 7/21/2026 5:45 AM America/Puerto_Rico.
fzca52 tjsj 202050
cwfsju
expires:202607210945;;309071
coastal waters forecast
national weather service san juan pr
450 pm ast mon jul 20 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.
amz741-210945-
mona passage southward to 17n-
450 pm ast mon jul 20 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 this evening.
.tuesday...northeast 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.
.tuesday 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 3 feet at 7 seconds and north 2 feet at 5 seconds. scattered
showers after midnight.
.wednesday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots in the afternoon. seas around
3 feet. wave detail: east 3 feet at 6 seconds. scattered showers in
the morning.
.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 6 seconds.
.thursday...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 6 seconds.
.thursday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 3 to 4 feet, occasionally to 5 feet.
.friday...east winds 10 to 15 knots. seas 4 to 5 feet, occasionally
to 6 feet.
.friday night...east winds 15 to 20 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.saturday...east winds 15 to 20 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.saturday night...east winds 15 to 20 knots. seas 4 to 5 feet,
occasionally to 6 feet.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/20/2026 4:50 PM America/Puerto_Rico.
Valid through 7/21/2026 5:45 AM America/Puerto_Rico.
fzca52 tjsj 202050
cwfsju
expires:202607210945;;309072
coastal waters forecast
national weather service san juan pr
450 pm ast mon jul 20 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.
amz742-210945-
coastal waters of northwestern puerto rico out 10 nm-
450 pm ast mon jul 20 2026
.tonight...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 3 feet. wave detail: northeast 3 feet at 7 seconds. isolated
showers early this evening.
.tuesday...northeast winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: northeast 3 feet at 6 seconds and
southeast 1 foot at 5 seconds. scattered showers in the afternoon.
.tuesday night...east winds 10 to 15 knots. seas 2 to 3 feet. wave
detail: east 2 feet at 5 seconds.
.wednesday...southeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: northeast 2 feet at 5 seconds and southeast 1 foot at
5 seconds. scattered showers in the afternoon.
.wednesday night...east winds 5 to 10 knots, diminishing to around
5 knots after midnight. seas 2 to 3 feet. wave detail: northeast
2 feet at 6 seconds and south 1 foot at 5 seconds.
.thursday...east winds 5 to 10 knots. 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.
.thursday night...east winds around 5 knots, increasing to 5 to
10 knots after midnight. seas 2 to 3 feet.
.friday...east winds 5 to 10 knots. seas 2 to 3 feet. scattered
showers in the afternoon.
.friday night...east winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet.
.saturday...east winds 5 to 10 knots, becoming northeast 10 to
15 knots in the afternoon. seas 2 to 4 feet, occasionally to 5 feet.
numerous showers in the afternoon.
.saturday night...east winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 7/20/2026 4:50 PM America/Puerto_Rico.
Valid through 7/21/2026 5:45 AM America/Puerto_Rico.
fzca52 tjsj 202050
cwfsju
expires:202607210945;;309073
coastal waters forecast
national weather service san juan pr
450 pm ast mon jul 20 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.
amz745-210945-
coastal waters of southwestern puerto rico out 10 nm-
450 pm ast mon jul 20 2026
.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds. numerous showers early this
evening, then isolated showers late this evening.
.tuesday...northeast winds around 5 knots, becoming southeast in the
afternoon. seas around 2 feet. wave detail: northeast 1 foot at
5 seconds. scattered showers in the afternoon.
.tuesday night...east winds around 5 knots. seas around 2 feet. wave
detail: south 2 feet at 5 seconds. scattered showers in the evening.
.wednesday...southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. seas around 2 feet. wave detail: south
2 feet at 5 seconds.
.wednesday 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.
.thursday...southeast winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 3 feet. wave detail: southeast 2 feet at
5 seconds.
.thursday night...east winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. seas 2 to 3 feet.
.friday...east winds 5 to 10 knots. seas 2 to 3 feet. scattered
showers in the afternoon.
.friday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.saturday...east winds 5 to 10 knots, becoming southeast 15 to
20 knots in the afternoon. seas 2 to 3 feet. scattered showers in
the afternoon.
.saturday night...east winds 5 to 10 knots. seas 2 to 3 feet.
$$
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