fzca52 tjsj 301604
cwfsju
expires:202603310515;;543092

coastal waters forecast
national weather service san juan pr
1204 pm ast mon mar 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. 


amz712-310515-
coastal waters of northern puerto rico out 10 nm-
1204 pm ast mon mar 30 2026

...small craft advisory in effect from 6 pm ast this evening through
friday evening...

.rest of today...northeast winds around 15 knots with gusts up to
25 knots. seas around 5 feet, occasionally to 6 feet. wave detail:
northeast 5 feet at 6 seconds and northeast 2 feet at 9 seconds.
isolated thunderstorms late this morning. scattered showers. 
.tonight...northeast winds 10 to 15 knots with gusts up to 25 knots.
seas 5 to 6 feet, occasionally to 8 feet, building to 6 to 9 feet,
occasionally to 11 feet after midnight. wave detail: northeast
5 feet at 7 seconds and northwest 2 feet at 13 seconds, becoming
northeast 9 feet at 8 seconds and north 3 feet at 12 seconds.
scattered showers. 
.tuesday...northeast winds 10 to 15 knots with gusts up to 25 knots.
seas 8 to 9 feet, occasionally to 11 feet. wave detail: north 9 feet
at 11 seconds. scattered showers. 
.tuesday night...northeast winds 10 to 15 knots with gusts up to
25 knots. seas 8 to 9 feet, occasionally to 11 feet. wave detail:
north 9 feet at 11 seconds. scattered showers in the evening, then
numerous showers after midnight. 
.wednesday...east winds 10 to 15 knots with gusts up to 25 knots.
seas around 9 feet, occasionally to 11 feet. wave detail: northeast
9 feet at 11 seconds. scattered showers. 
.wednesday night...east winds 10 to 15 knots with gusts up to
25 knots. seas around 9 feet, occasionally to 11 feet. wave detail:
northeast 9 feet at 11 seconds. numerous showers. 
.thursday...east winds 10 to 15 knots. seas 8 to 9 feet,
occasionally to 11 feet. scattered showers in the morning. 
.thursday night...east winds 10 to 15 knots. seas 7 to 8 feet,
occasionally to 10 feet. scattered showers. 
.friday...east winds 10 to 15 knots. seas 7 to 8 feet, occasionally
to 10 feet. 
.friday night...east winds 10 to 15 knots. seas 7 to 8 feet,
occasionally to 10 feet. scattered showers. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 301604
cwfsju
expires:202603310515;;543097

coastal waters forecast
national weather service san juan pr
1204 pm ast mon mar 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. 


amz735-310515-
coastal waters of southern puerto rico out 10 nm-
1204 pm ast mon mar 30 2026

...small craft should exercise caution...

.rest of today...east winds 10 to 15 knots, increasing to 15 to
20 knots late. seas 2 to 4 feet, occasionally to 5 feet. wave
detail: east 3 feet at 5 seconds. isolated showers late this
morning, then scattered showers with isolated thunderstorms this
afternoon. 
.tonight...northeast winds 10 to 15 knots with gusts up to 25 knots.
seas 2 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet
at 6 seconds. scattered showers in the evening. 
.tuesday...northeast winds 10 to 15 knots, becoming east 15 to
20 knots in the afternoon. seas 2 to 4 feet, occasionally to 5 feet.
wave detail: east 3 feet at 6 seconds. scattered showers in the
afternoon. 
.tuesday night...northeast winds 10 to 15 knots with gusts up to
25 knots. seas 2 to 4 feet, occasionally to 5 feet. wave detail:
east 3 feet at 6 seconds. scattered showers in the evening. 
.wednesday...east winds 10 to 15 knots with gusts up to 25 knots.
seas 2 to 4 feet, occasionally to 5 feet. wave detail: east 3 feet
at 6 seconds. scattered showers. 
.wednesday night...east winds 10 to 15 knots, becoming northeast
5 to 10 knots after midnight. gusts up to 25 knots. seas 2 to
4 feet, occasionally to 5 feet. wave detail: east 3 feet at
6 seconds. scattered showers in the evening. 
.thursday...east winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet. scattered showers in the morning. 
.thursday night...northeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. seas 2 to 4 feet, occasionally to
5 feet. scattered showers. 
.friday...east winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. seas 2 to 3 feet. scattered showers in the afternoon.
.friday night...east winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet. scattered showers. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 301604
cwfsju
expires:202603310515;;543098

coastal waters forecast
national weather service san juan pr
1204 pm ast mon mar 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. 


amz741-310515-
mona passage southward to 17n-
1204 pm ast mon mar 30 2026

...small craft advisory in effect from tuesday morning through
friday evening...

.rest of today...northeast winds 10 to 15 knots with gusts up to
25 knots. seas 4 to 5 feet, occasionally to 6 feet. wave detail:
northeast 4 feet at 6 seconds and north 2 feet at 9 seconds.
isolated showers late this morning, then isolated showers and
thunderstorms late. 
.tonight...northeast winds 15 to 20 knots with gusts up to 25 knots.
seas 4 to 6 feet, occasionally to 8 feet, building to 5 to 8 feet,
occasionally to 10 feet after midnight. wave detail: northeast
5 feet at 6 seconds and north 2 feet at 12 seconds, becoming
northeast 5 feet at 6 seconds and north 3 feet at 12 seconds.
scattered showers in the evening. 
.tuesday...northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. gusts up to 30 knots. seas 6 to 9 feet,
occasionally to 11 feet. wave detail: north 7 feet at 11 seconds and
east 5 feet at 7 seconds. 
.tuesday night...northeast winds 15 to 20 knots with gusts up to
25 knots. seas 6 to 9 feet, occasionally to 11 feet. wave detail:
north 8 feet at 11 seconds and east 4 feet at 6 seconds. scattered
showers in the evening. 
.wednesday...northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. seas 6 to 9 feet, occasionally to
11 feet. wave detail: north 8 feet at 11 seconds and east 4 feet at
6 seconds. scattered showers in the morning. 
.wednesday night...northeast winds 15 to 20 knots with gusts up to
25 knots. seas 6 to 9 feet, occasionally to 11 feet. wave detail:
north 7 feet at 11 seconds and east 4 feet at 6 seconds. scattered
showers. 
.thursday...east winds 10 to 15 knots. seas 6 to 9 feet,
occasionally to 11 feet. 
.thursday night...northeast winds 10 to 15 knots. seas 5 to 8 feet,
occasionally to 10 feet. scattered showers. 
.friday...east winds 10 to 15 knots. seas 5 to 7 feet, occasionally
to 9 feet. 
.friday night...east winds 10 to 15 knots. seas 5 to 7 feet,
occasionally to 9 feet. scattered showers. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 301604
cwfsju
expires:202603310515;;543099

coastal waters forecast
national weather service san juan pr
1204 pm ast mon mar 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. 


amz742-310515-
coastal waters of northwestern puerto rico out 10 nm-
1204 pm ast mon mar 30 2026

...small craft should exercise caution...
...small craft advisory in effect from tuesday morning through
friday evening...

.rest of today...northeast winds 15 to 20 knots with gusts up to
25 knots. seas 3 to 5 feet, occasionally to 6 feet. wave detail:
northeast 4 feet at 6 seconds and northeast 2 feet at 9 seconds.
isolated showers late this morning, then scattered showers this
afternoon. isolated thunderstorms late. 
.tonight...northeast winds 15 to 20 knots with gusts up to 25 knots.
seas 4 to 6 feet, occasionally to 8 feet. wave detail: northeast
5 feet at 7 seconds and northwest 2 feet at 13 seconds. scattered
showers. 
.tuesday...northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. seas 4 to 7 feet, occasionally to 8 feet,
building to 5 to 8 feet, occasionally to 10 feet in the afternoon. 
wave detail: northeast 6 feet at 8 seconds and north 3 feet at 3 
seconds, becoming north 8 feet at 11 seconds. numerous showers, 
mainly in the morning. 
.tuesday night...northeast winds 15 to 20 knots with gusts up to
25 knots. seas 5 to 8 feet, occasionally to 10 feet. wave detail:
north 8 feet at 11 seconds. scattered showers. 
.wednesday...northeast winds 10 to 15 knots with gusts up to
25 knots. seas 5 to 8 feet, occasionally to 10 feet. wave detail:
north 8 feet at 11 seconds. scattered showers. 
.wednesday night...northeast winds 10 to 15 knots with gusts up to
25 knots. seas 5 to 7 feet, occasionally to 9 feet. wave detail:
northeast 7 feet at 11 seconds. 
.thursday...northeast winds 10 to 15 knots. seas 5 to 7 feet,
occasionally to 9 feet. scattered showers in the afternoon. 
.thursday night...northeast winds 15 to 20 knots, becoming east
10 to 15 knots after midnight. seas 4 to 7 feet, occasionally to 8 
feet. 
.friday...east winds 5 to 10 knots. seas 4 to 7 feet, occasionally 
to 8 feet. 
.friday night...east winds around 5 knots. seas 4 to 7 feet, 
occasionally to 8 feet. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 301604
cwfsju
expires:202603310515;;543100

coastal waters forecast
national weather service san juan pr
1204 pm ast mon mar 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. 


amz745-310515-
coastal waters of southwestern puerto rico out 10 nm-
1204 pm ast mon mar 30 2026

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

winds and seas higher in and near thunderstorms.

$$