(1/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/17/2025 4:12 PM America/Puerto_Rico.
Valid through 9/18/2025 5:15 AM America/Puerto_Rico.
fzca52 tjsj 172012
cwfsju
expires:202509180915;;152277
coastal waters forecast
national weather service san juan pr
412 pm ast wed sep 17 2025
puerto rico and the u.s. virgin islands waters
amz712-180915-
coastal waters of northern puerto rico out 10 nm-
412 pm ast wed sep 17 2025
.tonight...east winds 10 to 15 knots with gusts up to 20 knots,
becoming southeast 5 to 10 knots with gusts up to 20 knots after
midnight. seas 4 to 5 feet. wave detail: northeast 4 feet at
8 seconds and northwest 1 foot at 10 seconds. isolated thunderstorms
this evening. showers. scattered thunderstorms after midnight.
.thursday...southeast winds 5 to 10 knots. seas around 4 feet. wave
detail: northeast 4 feet at 8 seconds and northwest 1 foot at
8 seconds. showers.
.thursday night...southeast winds 5 to 10 knots. seas 3 to 4 feet.
wave detail: east 4 feet at 8 seconds and north 1 foot at 8 seconds.
.friday...east winds 5 to 10 knots. seas 3 to 4 feet. wave detail:
northeast 3 feet at 8 seconds and north 1 foot at 8 seconds.
scattered showers in the afternoon.
.friday night...east winds around 5 knots. seas around 3 feet. wave
detail: northeast 3 feet at 8 seconds and northeast 2 feet at
13 seconds. scattered showers.
.saturday...east winds around 5 knots. seas 3 to 4 feet. wave
detail: northeast 3 feet at 13 seconds and northeast 2 feet at
8 seconds.
.saturday night...east winds around 5 knots. seas 3 to 4 feet.
.sunday...east winds around 5 knots. seas around 4 feet.
.sunday night...east winds around 5 knots. seas around 4 feet.
.monday...east winds around 5 knots, increasing to 5 to 10 knots in
the afternoon. seas 3 to 4 feet. scattered showers.
.monday night...east winds 5 to 10 knots. seas around 3 feet.
winds and seas higher in and near thunderstorms.
$$
(2/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/17/2025 4:12 PM America/Puerto_Rico.
Valid through 9/18/2025 5:15 AM America/Puerto_Rico.
fzca52 tjsj 172012
cwfsju
expires:202509180915;;152282
coastal waters forecast
national weather service san juan pr
412 pm ast wed sep 17 2025
puerto rico and the u.s. virgin islands waters
amz735-180915-
coastal waters of southern puerto rico out 10 nm-
412 pm ast wed sep 17 2025
.tonight...east winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots with gusts up to 20 knots late. seas
2 to 3 feet. wave detail: east 3 feet at 6 seconds. scattered
showers with isolated thunderstorms early this evening, then showers
and scattered thunderstorms late this evening and overnight.
.thursday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
southeast 2 feet at 5 seconds. numerous showers, mainly in the
morning.
.thursday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: east 2 feet at 6 seconds.
.friday...east winds 5 to 10 knots. seas around 2 feet. wave detail:
east 2 feet at 5 seconds. scattered showers in the morning.
.friday night...east winds around 5 knots. seas around 2 feet. wave
detail: east 2 feet at 6 seconds. scattered showers after midnight.
.saturday...east winds around 5 knots. seas around 2 feet. wave
detail: southeast 2 feet at 6 seconds. scattered showers in the
morning.
.saturday night...east winds around 5 knots. seas around 2 feet.
.sunday...east winds around 5 knots. seas around 2 feet.
.sunday night...east winds around 5 knots. seas around 2 feet.
.monday...east winds 5 to 10 knots. seas around 2 feet.
.monday night...east winds 5 to 10 knots. seas around 2 feet.
winds and seas higher in and near thunderstorms.
$$
(3/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/17/2025 4:12 PM America/Puerto_Rico.
Valid through 9/18/2025 5:15 AM America/Puerto_Rico.
fzca52 tjsj 172012
cwfsju
expires:202509180915;;152283
coastal waters forecast
national weather service san juan pr
412 pm ast wed sep 17 2025
puerto rico and the u.s. virgin islands waters
amz741-180915-
mona passage southward to 17n-
412 pm ast wed sep 17 2025
.tonight...east winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots late this evening and overnight. seas
around 3 feet. wave detail: east 3 feet at 6 seconds and north
1 foot at 9 seconds. isolated thunderstorms. scattered showers early
this evening, then numerous showers late this evening and overnight.
.thursday...southeast winds 5 to 10 knots. seas 3 to 4 feet. wave
detail: east 3 feet at 7 seconds and north 1 foot at 8 seconds.
numerous showers, mainly in the morning.
.thursday night...southeast winds 5 to 10 knots. seas around 3 feet.
wave detail: east 3 feet at 8 seconds and north 1 foot at 8 seconds.
.friday...southeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: east 3 feet at 8 seconds and north 1 foot at 8 seconds.
.friday night...east winds around 5 knots. seas 2 to 3 feet. wave
detail: east 2 feet at 7 seconds and north 1 foot at 11 seconds.
.saturday...southeast winds around 5 knots. seas around 2 feet. wave
detail: east 2 feet at 7 seconds and northeast 2 feet at 13 seconds.
.saturday night...east winds around 5 knots. seas around 2 feet.
.sunday...east winds around 5 knots. seas around 2 feet. scattered
showers in the morning.
.sunday night...east winds 5 to 10 knots. seas 2 to 3 feet.
.monday...east winds 5 to 10 knots. seas 2 to 3 feet.
.monday night...east winds 5 to 10 knots. seas 2 to 3 feet.
winds and seas higher in and near thunderstorms.
$$
(4/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/17/2025 4:12 PM America/Puerto_Rico.
Valid through 9/18/2025 5:15 AM America/Puerto_Rico.
fzca52 tjsj 172012
cwfsju
expires:202509180915;;152284
coastal waters forecast
national weather service san juan pr
412 pm ast wed sep 17 2025
puerto rico and the u.s. virgin islands waters
amz742-180915-
coastal waters of northwestern puerto rico out 10 nm-
412 pm ast wed sep 17 2025
.tonight...east winds around 5 knots, increasing to 5 to 10 knots
after midnight. seas 2 to 3 feet. wave detail: northeast 3 feet at
6 seconds and northwest 1 foot at 10 seconds. scattered showers with
isolated thunderstorms early this evening, then isolated showers
late this evening and overnight.
.thursday...southeast winds 5 to 10 knots. seas 2 to 4 feet. wave
detail: east 3 feet at 6 seconds and north 1 foot at 9 seconds.
showers and scattered thunderstorms in the afternoon.
.thursday night...southeast winds 5 to 10 knots. seas 2 to 3 feet.
wave detail: southeast 2 feet at 6 seconds and north 1 foot at
8 seconds.
.friday...southeast winds around 5 knots, increasing to 5 to
10 knots in the afternoon. seas 2 to 3 feet. wave detail: northeast
2 feet at 5 seconds and north 1 foot at 8 seconds. numerous showers
in the afternoon.
.friday night...east winds around 5 knots. seas 2 to 3 feet. wave
detail: east 2 feet at 4 seconds and north 1 foot at 8 seconds.
numerous showers in the evening.
.saturday...southeast winds around 5 knots. seas around 2 feet. wave
detail: north 2 feet at 12 seconds and east 1 foot at 5 seconds.
.saturday night...east winds around 5 knots. seas around 2 feet.
.sunday...east winds around 5 knots. seas around 2 feet.
.sunday night...east winds around 5 knots. seas 2 to 3 feet.
.monday...east winds around 5 knots. seas 2 to 3 feet. scattered
showers in the afternoon.
.monday night...east winds around 5 knots. seas 2 to 3 feet.
winds and seas higher in and near thunderstorms.
$$
(5/5)
Latest Coastal Waters Forecast by TJSJ
Issued 9/17/2025 4:12 PM America/Puerto_Rico.
Valid through 9/18/2025 5:15 AM America/Puerto_Rico.
fzca52 tjsj 172012
cwfsju
expires:202509180915;;152285
coastal waters forecast
national weather service san juan pr
412 pm ast wed sep 17 2025
puerto rico and the u.s. virgin islands waters
amz745-180915-
coastal waters of southwestern puerto rico out 10 nm-
412 pm ast wed sep 17 2025
.tonight...east winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots after midnight. seas around 2 feet. wave
detail: southeast 2 feet at 4 seconds and northwest 1 foot at
10 seconds. scattered showers this evening, then isolated showers
after midnight. scattered showers late.
.thursday...southeast winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 4 seconds and northwest 1 foot at
9 seconds. scattered showers.
.thursday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 4 seconds and north 1 foot at 8 seconds.
.friday...southeast winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 1 foot at 4 seconds and north 1 foot at 8 seconds.
scattered showers in the morning.
.friday night...east winds around 5 knots. seas around 2 feet. wave
detail: southeast 1 foot at 5 seconds and north 1 foot at 8 seconds.
.saturday...southeast winds around 5 knots. seas around 2 feet. wave
detail: southeast 1 foot at 5 seconds and north 1 foot at 8 seconds.
scattered showers in the afternoon.
.saturday night...east winds around 5 knots in the evening, becoming
light and variable. seas 1 foot or less.
.sunday...southeast winds around 5 knots. seas 1 foot or less.
.sunday night...east winds around 5 knots. seas 1 foot or less.
.monday...east winds around 5 knots. seas 1 foot or less.
.monday night...east winds 5 to 10 knots. seas 1 foot or less.
$$
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