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fzca52 tjsj 121936
cwfsju
expires:202603130815;;560603

coastal waters forecast
national weather service san juan pr
336 pm ast thu mar 12 2026

puerto rico and the u.s. virgin islands waters


amz712-130815-
coastal waters of northern puerto rico out 10 nm-
336 pm ast thu mar 12 2026

.tonight...east winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots late. seas around 4 feet. wave detail:
northeast 4 feet at 8 seconds. scattered showers. 
.friday...east winds 10 to 15 knots with gusts up to 25 knots. seas
around 4 feet. wave detail: northeast 4 feet at 8 seconds. 
.friday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 4 to 5 feet. wave detail: northeast 5 feet at 9 seconds.
scattered showers in the evening. 
.saturday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. gusts up to 30 knots. seas 4 to 5 feet. wave
detail: northeast 5 feet at 8 seconds. scattered showers in the
afternoon. 
.saturday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 4 to 5 feet. wave detail: northeast
5 feet at 10 seconds. 
.sunday...east winds 15 to 20 knots with gusts up to 30 knots. seas
4 to 5 feet. wave detail: northeast 5 feet at 9 seconds and north
1 foot at 11 seconds. scattered showers. 
.sunday night...east winds 15 to 20 knots with gusts up to 30 knots.
seas 5 to 6 feet. 
.monday...east winds 15 to 20 knots. seas 6 to 7 feet. scattered
showers. 
.monday night...east winds 15 to 20 knots. seas 6 to 7 feet.
scattered showers. 
.tuesday...east winds 15 to 20 knots. seas 6 to 7 feet. scattered
showers. 
.tuesday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 6 to 7 feet. 

$$
fzca52 tjsj 121936
cwfsju
expires:202603130815;;560608

coastal waters forecast
national weather service san juan pr
336 pm ast thu mar 12 2026

puerto rico and the u.s. virgin islands waters


amz735-130815-
coastal waters of southern puerto rico out 10 nm-
336 pm ast thu mar 12 2026

.tonight...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
east 3 feet at 7 seconds. isolated showers. 
.friday...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 3 feet. wave detail: east 3 feet at 7 seconds. 
.friday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 2 to 4 feet. wave detail: east 3 feet at 6 seconds. 
.saturday...east winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. seas 3 to 4 feet. wave detail: east 4 feet at
6 seconds. 
.saturday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 3 to 4 feet. wave detail: east 4 feet at 6 seconds. 
.sunday...east winds 15 to 20 knots with gusts up to 30 knots. seas
3 to 5 feet. wave detail: east 5 feet at 6 seconds. 
.sunday night...east winds 15 to 20 knots with gusts up to 30 knots.
seas 4 to 6 feet. scattered showers. 
.monday...east winds 15 to 20 knots. seas 4 to 6 feet. 
.monday night...east winds 15 to 20 knots. seas 4 to 6 feet. 
.tuesday...east winds 15 to 20 knots. seas 4 to 6 feet. scattered
showers in the afternoon. 
.tuesday night...east winds 15 to 20 knots. seas 4 to 6 feet. 

$$
fzca52 tjsj 121936
cwfsju
expires:202603130815;;560609

coastal waters forecast
national weather service san juan pr
336 pm ast thu mar 12 2026

puerto rico and the u.s. virgin islands waters


amz741-130815-
mona passage southward to 17n-
336 pm ast thu mar 12 2026

.tonight...northeast winds 5 to 10 knots, becoming east 10 to
15 knots late this evening and overnight. seas 3 to 4 feet. wave
detail: east 4 feet at 7 seconds. scattered showers with isolated
thunderstorms early this evening, then scattered showers late this
evening. 
.friday...east winds 10 to 15 knots with gusts up to 20 knots. seas
3 to 4 feet. wave detail: east 4 feet at 7 seconds. 
.friday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. seas 3 to 4 feet. wave detail: east 4 feet
at 7 seconds. scattered showers. 
.saturday...east winds 15 to 20 knots with gusts up to 25 knots.
seas 3 to 5 feet. wave detail: east 5 feet at 6 seconds. scattered
showers in the afternoon. 
.saturday night...east winds 15 to 20 knots with gusts up to
30 knots. seas 4 to 5 feet. wave detail: east 5 feet at 7 seconds.
scattered showers in the evening. 
.sunday...east winds 15 to 20 knots with gusts up to 30 knots. seas
4 to 5 feet. wave detail: east 5 feet at 7 seconds and north 1 foot
at 9 seconds. 
.sunday night...east winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. seas 5 to 6 feet. 
.monday...east winds 20 to 25 knots, diminishing to 15 to 20 knots
in the afternoon. seas 5 to 7 feet. 
.monday night...east winds 15 to 20 knots. seas 6 to 7 feet. 
.tuesday...east winds 15 to 20 knots. seas 5 to 7 feet. 
.tuesday night...east winds 15 to 20 knots. seas 6 to 7 feet. 

winds and seas higher in and near thunderstorms.

$$
fzca52 tjsj 121936
cwfsju
expires:202603130815;;560610

coastal waters forecast
national weather service san juan pr
336 pm ast thu mar 12 2026

puerto rico and the u.s. virgin islands waters


amz742-130815-
coastal waters of northwestern puerto rico out 10 nm-
336 pm ast thu mar 12 2026

.tonight...northeast winds 5 to 10 knots with gusts up to 20 knots,
becoming east 10 to 15 knots with gusts up to 20 knots late this
evening and early morning, then diminishing to 5 to 10 knots late.
seas 2 to 3 feet. wave detail: northeast 3 feet at 8 seconds.
scattered showers with isolated thunderstorms early this evening,
then isolated showers late this evening. 
.friday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
northeast 3 feet at 7 seconds. scattered showers in the afternoon. 
.friday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. seas 2 to 4 feet. wave detail: northeast
3 feet at 7 seconds. 
.saturday...east winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. gusts up to 25 knots. seas 2 to 4 feet. wave
detail: northeast 3 feet at 6 seconds. numerous showers in the
afternoon. 
.saturday night...east winds 15 to 20 knots with gusts up to
25 knots. seas 2 to 4 feet. wave detail: northeast 4 feet at
6 seconds. 
.sunday...east winds 10 to 15 knots with gusts up to 25 knots. seas
2 to 4 feet. wave detail: northeast 3 feet at 6 seconds. scattered
showers in the afternoon. 
.sunday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 5 feet. 
.monday...east winds 10 to 15 knots. seas 3 to 5 feet. numerous
showers in the afternoon. 
.monday night...east winds 10 to 15 knots. seas 3 to 5 feet. 
.tuesday...east winds 10 to 15 knots. seas 3 to 5 feet. numerous
showers in the afternoon. 
.tuesday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 3 to 5 feet. 

winds and seas higher in and near thunderstorms.

$$
fzca52 tjsj 121936
cwfsju
expires:202603130815;;560611

coastal waters forecast
national weather service san juan pr
336 pm ast thu mar 12 2026

puerto rico and the u.s. virgin islands waters


amz745-130815-
coastal waters of southwestern puerto rico out 10 nm-
336 pm ast thu mar 12 2026

.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 7 seconds and north 1 foot at 5 seconds.
scattered showers with isolated thunderstorms early this evening. 
.friday...east winds around 5 knots, becoming southeast in the
afternoon. seas around 2 feet. wave detail: southeast 2 feet at
7 seconds. scattered showers in the afternoon. 
.friday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 6 seconds. scattered showers in the
evening. 
.saturday...east winds 5 to 10 knots. seas around 2 feet. wave
detail: east 2 feet at 5 seconds. scattered showers in the
afternoon. 
.saturday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 6 seconds. 
.sunday...east winds 5 to 10 knots, becoming southeast 15 to
20 knots with gusts up to 30 knots in the afternoon. seas around
2 feet. wave detail: southeast 2 feet at 6 seconds. 
.sunday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 2 to 3 feet. 
.monday...east winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. seas 2 to 3 feet, building to 3 to 5 feet
in the afternoon. scattered showers in the afternoon. 
.monday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 3 to 5 feet. 
.tuesday...east winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. seas 2 to 4 feet. 
.tuesday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 2 to 4 feet. 

winds and seas higher in and near thunderstorms.

$$
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