fzca52 tjsj 302000
cwfsju
expires:202608310815;;624586

coastal waters forecast
national weather service san juan pr
400 pm ast sun aug 30 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. 


amz712-310815-
coastal waters of northern puerto rico out 10 nm-
400 pm ast sun aug 30 2026

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

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

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 302000
cwfsju
expires:202608310815;;624591

coastal waters forecast
national weather service san juan pr
400 pm ast sun aug 30 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. 


amz735-310815-
coastal waters of southern puerto rico out 10 nm-
400 pm ast sun aug 30 2026

...small craft should exercise caution...

.tonight...southeast winds 5 to 10 knots, increasing to 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 6 seconds. showers with
isolated thunderstorms. 
.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. showers, mainly in the morning. 
.monday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 5 feet, occasionally to 6 feet. wave detail: east 4 feet
at 10 seconds and southeast 3 feet at 6 seconds. scattered showers. 
.tuesday...east winds 10 to 15 knots with gusts up to 25 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: southeast 3 feet
at 7 seconds and east 3 feet at 9 seconds. scattered showers in the
morning. 
.tuesday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. gusts up to 25 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: southeast 3 feet at 7 seconds. 
.wednesday...east winds 10 to 15 knots with gusts up to 20 knots.
seas around 3 feet. wave detail: southeast 3 feet at 6 seconds. 
.wednesday night...east winds 10 to 15 knots with gusts up to
20 knots. seas 2 to 3 feet. 
.thursday...east winds 10 to 15 knots. seas 2 to 3 feet. 
.thursday night...east winds 10 to 15 knots. seas 2 to 3 feet. 
.friday...east winds 10 to 15 knots. seas 2 to 3 feet. 
.friday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 302000
cwfsju
expires:202608310815;;624592

coastal waters forecast
national weather service san juan pr
400 pm ast sun aug 30 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. 


amz741-310815-
mona passage southward to 17n-
400 pm ast sun aug 30 2026

...small craft should exercise caution...

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

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 302000
cwfsju
expires:202608310815;;624593

coastal waters forecast
national weather service san juan pr
400 pm ast sun aug 30 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. 


amz742-310815-
coastal waters of northwestern puerto rico out 10 nm-
400 pm ast sun aug 30 2026

.tonight...east winds 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 25 knots late this evening and overnight.
seas 2 to 4 feet, occasionally to 5 feet. wave detail: southeast
2 feet at 4 seconds. numerous showers with isolated thunderstorms
this evening, then scattered showers after midnight. isolated
thunderstorms late. 
.monday...southeast winds 10 to 15 knots with gusts up to 25 knots,
diminishing to 5 to 10 knots in the afternoon. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: south 3 feet at 5 seconds and
northeast 3 feet at 9 seconds. numerous showers. 
.monday night...east winds 5 to 10 knots. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: south 2 feet at 5 seconds. 
.tuesday...east winds around 5 knots. seas 2 to 4 feet, occasionally
to 5 feet. wave detail: south 2 feet at 6 seconds and northeast
2 feet at 9 seconds. scattered showers in the afternoon. 
.tuesday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: northeast 2 feet at 9 seconds and south 1 foot at 6 seconds.
scattered showers in the evening. 
.wednesday...east winds around 5 knots. seas 2 to 3 feet. wave
detail: northeast 2 feet at 9 seconds and south 1 foot at 6 seconds.
numerous showers in the afternoon. 
.wednesday night...east winds 5 to 10 knots. seas 2 to 3 feet. 
.thursday...northeast winds 5 to 10 knots. seas 2 to 3 feet.
numerous showers in the afternoon. 
.thursday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. seas 2 to 3 feet. 
.friday...northeast winds 5 to 10 knots. seas around 2 feet.
numerous showers in the afternoon. 
.friday night...east winds 5 to 10 knots. seas around 2 feet.
scattered showers. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 302000
cwfsju
expires:202608310815;;624594

coastal waters forecast
national weather service san juan pr
400 pm ast sun aug 30 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. 


amz745-310815-
coastal waters of southwestern puerto rico out 10 nm-
400 pm ast sun aug 30 2026

...small craft should exercise caution...

.tonight...southeast winds 5 to 10 knots, increasing to 15 to
20 knots with gusts up to 25 knots. seas 2 to 3 feet. wave detail:
southeast 3 feet at 4 seconds and north 2 feet at 5 seconds.
isolated thunderstorms. 
.monday...southeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. seas 2 to 3 feet. wave detail: southeast
3 feet at 4 seconds and north 1 foot at 6 seconds. showers, mainly
in the morning. 
.monday night...east winds 10 to 15 knots with gusts up to 25 knots.
seas 2 to 3 feet. wave detail: southeast 3 feet at 5 seconds and
north 1 foot at 6 seconds. scattered showers. 
.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: southeast 2 feet at 6 seconds and north 1 foot
at 6 seconds. 
.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: southeast 2 feet at 6 seconds. 
.wednesday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots in the afternoon. seas around
2 feet. wave detail: southeast 2 feet at 6 seconds. scattered
showers in the afternoon. 
.wednesday night...east winds 5 to 10 knots. seas around 2 feet. 
.thursday...east winds 5 to 10 knots. seas around 2 feet. scattered
showers in the afternoon. 
.thursday night...east winds 5 to 10 knots. seas around 2 feet. 
.friday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. seas around 2 feet. 
.friday night...east winds 10 to 15 knots. seas 2 to 3 feet.
scattered showers. 

winds and seas higher in and near thunderstorms.

$$