fzca52 tjsj 220834
cwfsju
expires:202601222100;;315108

coastal waters forecast
national weather service san juan pr
434 am ast thu jan 22 2026

puerto rico and the u.s. virgin islands waters


amz712-222100-
coastal waters of northern puerto rico out 10 nm-
434 am ast thu jan 22 2026

...small craft advisory in effect through friday afternoon...

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

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 220834
cwfsju
expires:202601222100;;315113

coastal waters forecast
national weather service san juan pr
434 am ast thu jan 22 2026

puerto rico and the u.s. virgin islands waters


amz735-222100-
coastal waters of southern puerto rico out 10 nm-
434 am ast thu jan 22 2026

...small craft advisory in effect through this afternoon...

.today...east winds 10 to 15 knots, increasing to 15 to 20 knots
this afternoon. gusts up to 30 knots. seas 4 to 7 feet. wave detail:
east 5 feet at 7 seconds. isolated showers this morning, then
scattered showers this afternoon. isolated thunderstorms late. 
.tonight...east winds 15 to 20 knots, diminishing to 10 to 15 knots
after midnight. gusts up to 30 knots. seas 4 to 6 feet. wave detail:
east 5 feet at 8 seconds. scattered showers. 
.friday...east winds 10 to 15 knots with gusts up to 20 knots. seas
3 to 5 feet. wave detail: east 4 feet at 8 seconds. scattered
showers in the afternoon. 
.friday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 5 feet. wave detail: east 4 feet at 7 seconds. scattered
showers. 
.saturday...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 4 feet. wave detail: east 3 feet at 7 seconds. 
.saturday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 3 to 4 feet. wave detail: east 3 feet at 6 seconds
and east 2 feet at 10 seconds. 
.sunday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 3 to 5 feet. 
.sunday night...east winds 10 to 15 knots. seas 3 to 5 feet. 
.monday...east winds 10 to 15 knots. seas 3 to 5 feet. 
.monday night...east winds 10 to 15 knots. seas 3 to 4 feet. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 220834
cwfsju
expires:202601222100;;315114

coastal waters forecast
national weather service san juan pr
434 am ast thu jan 22 2026

puerto rico and the u.s. virgin islands waters


amz741-222100-
mona passage southward to 17n-
434 am ast thu jan 22 2026

...small craft advisory in effect through late tonight...

.today...east winds 15 to 20 knots with gusts up to 30 knots. seas
5 to 7 feet. wave detail: east 6 feet at 7 seconds. scattered
showers this morning, then numerous showers with isolated
thunderstorms this afternoon. 
.tonight...east winds 15 to 20 knots with gusts up to 30 knots. seas
5 to 6 feet. wave detail: east 6 feet at 8 seconds and north 1 foot
at 8 seconds. scattered showers. 
.friday...east winds 10 to 15 knots with gusts up to 20 knots. seas
4 to 6 feet. wave detail: east 5 feet at 8 seconds and north 1 foot
at 8 seconds. numerous showers, mainly in the morning. 
.friday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 4 to 5 feet. wave detail: east 5 feet at 9 seconds and north
1 foot at 8 seconds. scattered showers in the evening. 
.saturday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 5 feet. wave detail: east 5 feet at 10 seconds and east
4 feet at 7 seconds. scattered showers in the morning. 
.saturday night...east winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. seas 3 to 5 feet. wave detail: east 4 feet
at 6 seconds and northeast 4 feet at 10 seconds. scattered showers. 
.sunday...east winds 15 to 20 knots. seas 4 to 6 feet. scattered
showers in the afternoon. 
.sunday night...east winds 15 to 20 knots. seas 4 to 6 feet. 
.monday...east winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. seas 4 to 6 feet. 
.monday night...east winds 10 to 15 knots. seas 3 to 5 feet. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 220834
cwfsju
expires:202601222100;;315115

coastal waters forecast
national weather service san juan pr
434 am ast thu jan 22 2026

puerto rico and the u.s. virgin islands waters


amz742-222100-
coastal waters of northwestern puerto rico out 10 nm-
434 am ast thu jan 22 2026

...small craft should exercise caution...

.today...east winds 15 to 20 knots, becoming northeast 10 to
15 knots late this morning and early afternoon, then becoming east
15 to 20 knots late. gusts up to 30 knots. seas 3 to 5 feet. wave
detail: east 4 feet at 6 seconds and northwest 1 foot at 9 seconds.
isolated showers this morning, then numerous showers this afternoon.
isolated thunderstorms late. 
.tonight...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. wave detail: east 3 feet at 7 seconds
and northwest 1 foot at 8 seconds. scattered showers in the evening.
.friday...east winds 5 to 10 knots with gusts up to 20 knots. seas
3 to 5 feet. wave detail: east 2 feet at 7 seconds and north 1 foot
at 8 seconds. numerous showers in the afternoon. 
.friday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 5 feet. wave detail: southeast 1 foot at 7 seconds and
north 1 foot at 8 seconds. 
.saturday...east winds 5 to 10 knots with gusts up to 20 knots. seas
2 to 4 feet. wave detail: northeast 3 feet at 10 seconds and east
2 feet at 7 seconds. numerous showers in the afternoon. 
.saturday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 2 to 4 feet. wave detail: northeast 3 feet at
9 seconds and east 2 feet at 7 seconds. 
.sunday...east winds 10 to 15 knots. seas 2 to 4 feet. scattered
showers in the afternoon. 
.sunday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 4 feet. 
.monday...east winds 5 to 10 knots. seas 2 to 4 feet. scattered
showers in the afternoon. 
.monday night...east winds 5 to 10 knots. seas 2 to 3 feet. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 220834
cwfsju
expires:202601222100;;315116

coastal waters forecast
national weather service san juan pr
434 am ast thu jan 22 2026

puerto rico and the u.s. virgin islands waters


amz745-222100-
coastal waters of southwestern puerto rico out 10 nm-
434 am ast thu jan 22 2026

.today...east winds 5 to 10 knots with gusts up to 20 knots,
increasing to 10 to 15 knots with gusts up to 25 knots late. seas
2 to 3 feet. wave detail: northeast 2 feet at 6 seconds and
northwest 1 foot at 9 seconds. numerous showers early this
afternoon. showers with isolated thunderstorms late. 
.tonight...east winds 15 to 20 knots with gusts up to 25 knots,
diminishing to 5 to 10 knots after midnight. seas 2 to 3 feet. wave
detail: east 3 feet at 5 seconds and north 1 foot at 6 seconds.
scattered showers in the evening. 
.friday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
southeast 2 feet at 7 seconds and north 1 foot 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 7 seconds and north 1 foot at 7 seconds.
.saturday...east winds 5 to 10 knots. seas around 2 feet. wave
detail: south 2 feet at 6 seconds and north 1 foot at 7 seconds.
numerous showers in the afternoon. 
.saturday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 1 foot at 6 seconds and north 1 foot at 8 seconds.
.sunday...east winds 5 to 10 knots, becoming southeast 15 to
20 knots in the afternoon. seas 2 to 3 feet. 
.sunday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet. 
.monday...east winds 5 to 10 knots. seas around 2 feet. 
.monday night...east winds around 5 knots, increasing to 5 to
10 knots after midnight. seas around 2 feet. 

winds and seas higher in and near thunderstorms.

$$