fzca52 tjsj 281950
cwfsju
expires:202608290815;;515877

coastal waters forecast
national weather service san juan pr
350 pm ast fri aug 28 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. 


amz712-290815-
coastal waters of northern puerto rico out 10 nm-
350 pm ast fri aug 28 2026

...small craft should exercise caution...

.tonight...east winds 15 to 20 knots, diminishing to 10 to 15 knots
late this evening and overnight. seas 4 to 5 feet, occasionally to
6 feet. wave detail: northeast 4 feet at 6 seconds and northeast
2 feet at 12 seconds. isolated showers this evening, then scattered
showers after midnight. 
.saturday...east winds 10 to 15 knots with gusts up to 20 knots,
increasing to 15 to 20 knots with gusts up to 30 knots in the
afternoon. seas 4 to 5 feet, occasionally to 6 feet. wave detail:
northeast 5 feet at 7 seconds and northeast 2 feet at 11 seconds.
scattered showers in the morning. 
.saturday night...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. gusts up to 30 knots. seas 4 to 5 feet,
occasionally to 6 feet. wave detail: east 5 feet at 8 seconds and
northeast 1 foot at 11 seconds. scattered showers. 
.sunday...northeast winds 15 to 20 knots. gusts up to 25 knots,
increasing to 35 knots in the afternoon. seas 4 to 6 feet,
occasionally to 8 feet. wave detail: northeast 5 feet at 9 seconds.
scattered showers in the morning, then numerous showers in the
afternoon. 
.sunday night...east winds 15 to 20 knots with gusts up to 35 knots,
becoming southeast 5 to 10 knots with gusts up to 20 knots after
midnight. seas 5 to 7 feet, occasionally to 9 feet. wave detail:
northeast 5 feet at 7 seconds. scattered showers. 
.monday...southeast winds 10 to 15 knots with gusts up to 20 knots.
seas 5 to 6 feet, occasionally to 8 feet. wave detail: northeast
6 feet at 10 seconds. numerous showers. 
.monday night...southeast winds 10 to 15 knots, becoming east 5 to
10 knots after midnight. seas 4 to 5 feet, occasionally to 6 feet. 
.tuesday...east winds 5 to 10 knots. seas around 4 feet,
occasionally to 5 feet. scattered showers in the morning, then
numerous showers in the afternoon. 
.tuesday night...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers. 
.wednesday...east winds 10 to 15 knots. seas around 3 feet.
scattered showers in the afternoon. 
.wednesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. 

$$

fzca52 tjsj 281950
cwfsju
expires:202608290815;;515882

coastal waters forecast
national weather service san juan pr
350 pm ast fri aug 28 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. 


amz735-290815-
coastal waters of southern puerto rico out 10 nm-
350 pm ast fri aug 28 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
6 seconds. isolated showers early this evening, then scattered
showers late this evening and overnight. 
.saturday...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 6 seconds. scattered showers in the morning. 
.saturday 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 4 feet at 6 seconds. scattered showers after midnight. 
.sunday...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: east 4 feet at 7 seconds. numerous showers
in the afternoon. 
.sunday night...southeast winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 4 feet, occasionally to 5 feet. wave detail:
east 4 feet at 6 seconds. numerous showers, mainly in the evening. 
.monday...southeast winds 15 to 20 knots with gusts up to 25 knots.
seas 3 to 5 feet, occasionally to 6 feet. wave detail: southeast
4 feet at 6 seconds. scattered showers in the morning, then numerous
showers in the afternoon. 
.monday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 5 feet, occasionally to 6 feet. scattered showers in the
evening, then numerous showers after midnight. 
.tuesday...east winds 10 to 15 knots. seas 3 to 5 feet, occasionally
to 6 feet. scattered showers. 
.tuesday night...east winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. seas 3 to 4 feet, occasionally to 5 feet.
scattered showers. 
.wednesday...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers in the morning. 
.wednesday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. 

$$

fzca52 tjsj 281950
cwfsju
expires:202608290815;;515883

coastal waters forecast
national weather service san juan pr
350 pm ast fri aug 28 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. 


amz741-290815-
mona passage southward to 17n-
350 pm ast fri aug 28 2026

...small craft should exercise caution...

.tonight...east winds 10 to 15 knots, increasing to 15 to 20 knots
after midnight. seas 4 to 5 feet, occasionally to 6 feet. wave
detail: east 5 feet at 6 seconds. scattered showers with isolated
thunderstorms early this evening, then isolated showers late this
evening and early morning. scattered showers late. 
.saturday...east winds 15 to 20 knots with gusts up to 25 knots.
seas 4 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet
at 6 seconds and northeast 1 foot at 11 seconds. scattered showers. 
.saturday night...east winds 15 to 20 knots with gusts up to
25 knots. seas 4 to 5 feet, occasionally to 6 feet. wave detail:
east 5 feet at 6 seconds and northeast 1 foot at 11 seconds. 
.sunday...northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. seas 4 to 5 feet, occasionally to 6 feet.
wave detail: east 5 feet at 7 seconds and northeast 1 foot at
10 seconds. scattered showers in the afternoon. 
.sunday night...east winds 15 to 20 knots with gusts up to 25 knots.
seas 4 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet
at 6 seconds. numerous showers in the evening. 
.monday...southeast winds 15 to 20 knots with gusts up to 25 knots.
seas 4 to 6 feet, occasionally to 8 feet. wave detail: southeast
5 feet at 6 seconds. 
.monday night...southeast winds 15 to 20 knots, becoming east 10 to
15 knots after midnight. seas 5 to 6 feet, occasionally to 8 feet.
scattered showers after midnight. 
.tuesday...east winds 15 to 20 knots. seas 4 to 6 feet, occasionally
to 8 feet. scattered showers in the afternoon. 
.tuesday night...east winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet. 
.wednesday...east winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet. 
.wednesday night...east winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 281950
cwfsju
expires:202608290815;;515884

coastal waters forecast
national weather service san juan pr
350 pm ast fri aug 28 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. 


amz742-290815-
coastal waters of northwestern puerto rico out 10 nm-
350 pm ast fri aug 28 2026

.tonight...east winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots after midnight. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: northeast 3 feet at 5 seconds
and northeast 1 foot at 12 seconds. scattered showers early this
evening. isolated showers late. 
.saturday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
northeast 3 feet at 6 seconds and northeast 1 foot at 11 seconds.
scattered showers in the afternoon. 
.saturday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 2 to 4 feet, occasionally to 5 feet. wave detail:
northeast 4 feet at 6 seconds and northeast 1 foot at 11 seconds.
scattered showers in the evening. 
.sunday...northeast winds 15 to 20 knots with gusts up to 25 knots.
seas 2 to 4 feet, occasionally to 5 feet. wave detail: northeast
4 feet at 6 seconds and northeast 1 foot at 10 seconds. scattered
showers in the afternoon. 
.sunday night...east winds 15 to 20 knots, becoming southeast 10 to
15 knots after midnight. seas 2 to 4 feet, occasionally to 5 feet.
wave detail: northeast 4 feet at 5 seconds. numerous showers in the
evening. 
.monday...southeast winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 5 feet, occasionally to 6 feet. wave detail: southeast
4 feet at 5 seconds. numerous showers in the afternoon. 
.monday night...southeast winds 10 to 15 knots with gusts up to
25 knots, becoming east 5 to 10 knots after midnight. seas 3 to
5 feet, occasionally to 6 feet. scattered showers. 
.tuesday...east winds 5 to 10 knots. seas 2 to 4 feet, occasionally
to 5 feet. scattered showers in the afternoon. 
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet. 
.wednesday...east winds 5 to 10 knots. seas around 2 feet. scattered
showers in the afternoon. 
.wednesday night...east winds 5 to 10 knots. seas 2 to 3 feet. 

$$

fzca52 tjsj 281950
cwfsju
expires:202608290815;;515885

coastal waters forecast
national weather service san juan pr
350 pm ast fri aug 28 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. 


amz745-290815-
coastal waters of southwestern puerto rico out 10 nm-
350 pm ast fri aug 28 2026

.tonight...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 6 seconds and north 1 foot at 4 seconds.
isolated showers this evening. 
.saturday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. gusts up to 25 knots. seas around 2 feet.
wave detail: southeast 2 feet at 6 seconds and north 1 foot at
4 seconds. scattered showers in the afternoon. 
.saturday night...east winds 5 to 10 knots. seas around 2 feet. wave
detail: southeast 2 feet at 5 seconds and north 1 foot at 5 seconds.
.sunday...northeast winds 5 to 10 knots with gusts up to 20 knots.
seas around 2 feet. wave detail: southeast 2 feet at 5 seconds and
north 1 foot at 5 seconds. numerous showers in the afternoon. 
.sunday night...east winds 15 to 20 knots, becoming southeast 10 to
15 knots after midnight. seas 2 to 3 feet. wave detail: northeast
2 feet at 5 seconds. numerous showers in the evening. 
.monday...southeast winds 15 to 20 knots with gusts up to 25 knots.
seas 2 to 4 feet, occasionally to 5 feet. wave detail: southeast
3 feet at 4 seconds and north 1 foot at 5 seconds. scattered showers
in the afternoon. 
.monday night...southeast winds 15 to 20 knots, becoming east 10 to
15 knots after midnight. seas 2 to 4 feet, occasionally to 5 feet.
scattered showers. 
.tuesday...east winds 10 to 15 knots. seas 2 to 3 feet. scattered
showers. 
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet. 
.wednesday...east winds 10 to 15 knots. seas 2 to 3 feet. 
.wednesday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet. 

$$