Coastal Waters Forecast
Issued by NWS San Juan, PR

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FZCA52 TJSJ 300751
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
351 AM AST Tue Apr 30 2024

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 Seas...Along with the occasional height
of the average highest 10 percent of the Seas.

AMZ700-302015-
351 AM AST Tue Apr 30 2024

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A sub tropical high pressure across the western Atlantic will
continue to promote moderate to fresh trade winds through at least
Wednesday night. As a result, expect hazardous seas for small craft
operators due to confused seas associated with the increasing winds
and a northeasterly swell spreading across the local waters.

$$

AMZ711-302015-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
351 AM AST Tue Apr 30 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING...

.TODAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas
8 to 10 feet with occasional seas up to 11 feet. Dominant period
10 seconds. Isolated showers.
.TONIGHT...East winds 15 to 20 knots with gusts up to 30 knots.
Seas 8 to 10 feet with occasional seas up to 11 feet. Dominant
period 10 seconds. Scattered showers. Isolated thunderstorms after
midnight.
.WEDNESDAY...East winds 15 to 20 knots with gusts up to 30 knots.
Seas 6 to 8 feet with occasional seas up to 10 feet. Dominant
period 11 seconds. Isolated thunderstorms in the morning.
Scattered showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet
with occasional seas up to 9 feet. Dominant period 11 seconds.
Numerous showers with isolated thunderstorms.
.THURSDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 10 seconds. Isolated
thunderstorms through the day. Numerous showers.
.FRIDAY...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds,
increasing to 10 seconds. Isolated thunderstorms through the day.
Numerous showers.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds,
subsiding to 8 seconds. Scattered showers.

$$

AMZ712-302015-
Coastal Waters of Northern Puerto Rico out 10 NM-
351 AM AST Tue Apr 30 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING...

.TODAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas
6 to 8 feet with occasional seas up to 10 feet. Dominant period 8
seconds. Isolated showers.
.TONIGHT...East winds 15 to 20 knots with gusts up to 30 knots.
Seas 6 to 8 feet with occasional seas up to 10 feet. Dominant
period 10 seconds. Numerous showers. Isolated thunderstorms after
midnight.
.WEDNESDAY...East winds 10 to 15 knots with gusts up to 25 knots.
Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant
period 11 seconds. Numerous showers with isolated thunderstorms.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 7 feet
with occasional seas up to 9 feet. Dominant period 11 seconds.
Isolated thunderstorms in the evening. Numerous showers.
.THURSDAY...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Numerous
showers with isolated thunderstorms.
.FRIDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 8 seconds. Numerous
showers.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 8 seconds.
Scattered showers with isolated thunderstorms.

$$

AMZ716-302015-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
351 AM AST Tue Apr 30 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TODAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas
6 to 8 feet with occasional seas up to 10 feet. Dominant period 10
seconds. Scattered showers.
.TONIGHT...East winds 15 to 20 knots with gusts up to 30 knots.
Seas 6 to 8 feet with occasional seas up to 10 feet. Dominant
period 10 seconds. Numerous showers. Isolated thunderstorms after
midnight.
.WEDNESDAY...East winds 15 to 20 knots. Gusts up to 30 knots. Seas
5 to 7 feet with occasional seas up to 9 feet. Dominant period 11
seconds. Isolated thunderstorms in the morning. Numerous showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant period 11 seconds.
Isolated thunderstorms in the evening. Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Numerous
showers with isolated thunderstorms.
.FRIDAY...Southeast winds 5 to 10 knots, becoming east. Seas 2 to
4 feet with occasional seas around 5 feet. Dominant period 10
seconds. Scattered showers.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.

$$

AMZ723-302015-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
351 AM AST Tue Apr 30 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...

.TODAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas
6 to 8 feet with occasional seas up to 10 feet. Dominant period 10
seconds. Scattered showers.
.TONIGHT...East winds 15 to 20 knots with gusts up to 30 knots.
Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant
period 10 seconds. Scattered showers. Isolated thunderstorms after
midnight.
.WEDNESDAY...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 5 to 7 feet with occasional seas up to 9 feet, subsiding to 3
to 5 feet with occasional seas up to 6 feet in the afternoon.
Dominant period 11 seconds. Scattered showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25
knots. Seas 4 to 6 feet with occasional seas up to 8 feet.
Dominant period 11 seconds. Isolated showers.
.THURSDAY...East winds 10 to 15 knots with gusts up to 25 knots,
diminishing to east 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Isolated
showers.
.FRIDAY...Southeast winds 5 to 10 knots, becoming east. Seas 2 to
4 feet with occasional seas around 5 feet. Dominant period 10
seconds. Scattered showers.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.

$$

AMZ726-302015-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
351 AM AST Tue Apr 30 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...Northeast winds 15 to 20 knots with gusts up to 30 knots.
Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant
period 7 seconds. Scattered showers.
.TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant
period 10 seconds. Numerous showers. Isolated thunderstorms after
midnight.
.WEDNESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Isolated
thunderstorms in the morning. Numerous showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 11 seconds.
Isolated thunderstorms in the evening. Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Numerous
showers with isolated thunderstorms.
.FRIDAY...Southeast winds 5 to 10 knots, becoming east. Seas 1 to
3 feet. Dominant period 10 seconds, subsiding to 7 seconds.
Scattered showers.
.SATURDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Scattered showers.

$$

AMZ733-302015-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
351 AM AST Tue Apr 30 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas
4 to 6 feet with occasional seas up to 8 feet. Dominant period 6
seconds. Scattered showers. Isolated thunderstorms this afternoon.
.TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant
period 6 seconds. Scattered showers. Isolated thunderstorms after
midnight.
.WEDNESDAY...East winds 10 to 15 knots with gusts up to 25 knots.
Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant
period 6 seconds. Scattered showers with isolated thunderstorms.
.WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25
knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
Dominant period 6 seconds. Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 6 seconds. Scattered
showers.
.FRIDAY...Southeast winds 10 to 15 knots, becoming east. Seas 1 to
3 feet. Dominant period 6 seconds. Isolated showers.
.SATURDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 6 seconds. Scattered showers. Isolated thunderstorms
through the night.

$$

AMZ735-302015-
Coastal Waters of Southern Puerto Rico out 10 NM-
351 AM AST Tue Apr 30 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas
3 to 5 feet with occasional seas up to 6 feet. Dominant period 6
seconds. Isolated showers.
.TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots.
Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant
period 6 seconds. Isolated showers. Isolated thunderstorms after
midnight.
.WEDNESDAY...East winds 10 to 15 knots. Gusts up to 25 knots in
the afternoon. Seas 2 to 4 feet with occasional seas around 5
feet. Dominant period 6 seconds. Isolated showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Gusts up to 25 knots
in the evening. Seas 2 to 4 feet with occasional seas around 5
feet. Dominant period 6 seconds. Isolated thunderstorms in the
evening. Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 6 seconds.
Scattered showers.
.FRIDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 6 seconds. Scattered showers.
.SATURDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 6 seconds. Scattered showers.

$$

AMZ741-302015-
Mona Passage Southward to 17N-
351 AM AST Tue Apr 30 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...

.TODAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas
6 to 8 feet with occasional seas up to 10 feet. Dominant period 7
seconds. Scattered showers. Isolated thunderstorms this afternoon.
.TONIGHT...East winds 15 to 20 knots with gusts up to 30 knots.
Seas 6 to 8 feet with occasional seas up to 10 feet. Dominant
period 10 seconds. Isolated thunderstorms in the evening.
Scattered showers.
.WEDNESDAY...East winds 10 to 15 knots. Gusts up to 25 knots in
the morning. Seas 4 to 6 feet with occasional seas up to 8 feet.
Dominant period 11 seconds. Isolated showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25
knots. Seas 4 to 6 feet with occasional seas up to 8 feet.
Dominant period 11 seconds. Isolated thunderstorms in the evening.
Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 11 seconds. Isolated
showers.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds,
subsiding to 7 seconds. Scattered showers.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 7 seconds,
increasing to 10 seconds. Isolated showers.

$$

AMZ742-302015-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
351 AM AST Tue Apr 30 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...

.TODAY...Northeast winds 15 to 20 knots with gusts up to 25 knots.
Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant
period 8 seconds. Scattered showers.
.TONIGHT...Northeast winds 15 to 20 knots with gusts up to 30
knots. Seas 5 to 7 feet with occasional seas up to 9 feet.
Dominant period 10 seconds. Isolated showers.
.WEDNESDAY...East winds 10 to 15 knots with gusts up to 25 knots,
diminishing to east 10 to 15 knots in the afternoon. Seas 4 to 6
feet with occasional seas up to 8 feet. Dominant period 10
seconds. Scattered showers. Isolated thunderstorms in the
afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 11 seconds. Isolated
thunderstorms in the evening. Scattered showers.
.THURSDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 11 seconds.
Scattered showers.
.FRIDAY...Northeast winds 5 to 10 knots, becoming east. Seas 2 to
4 feet with occasional seas around 5 feet. Dominant period 10
seconds, decreasing to 8 seconds. Numerous showers.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Isolated thunderstorms through the day. Scattered showers.

$$

AMZ745-302015-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
351 AM AST Tue Apr 30 2024

.TODAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 8 seconds. Isolated
thunderstorms this afternoon.
.TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 8 seconds.
Scattered showers with isolated thunderstorms.
.WEDNESDAY...East winds 10 to 15 knots, becoming southeast in the
afternoon. Seas 2 to 4 feet with occasional seas around 5 feet.
Dominant period 10 seconds.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas around 5 feet. Dominant period 11 seconds.
Scattered showers.
.THURSDAY...Southeast winds 10 to 15 knots, becoming east. Seas 2
to 4 feet with occasional seas around 5 feet. Dominant period 11
seconds. Scattered showers.
.FRIDAY...Southeast winds 10 to 15 knots, becoming east. Seas 1 to
3 feet. Dominant period 10 seconds, subsiding to 7 seconds.
Isolated showers.
.SATURDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 7 seconds, increasing to 10 seconds. Isolated showers.

$$