National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZCA52 TJSJ 260803
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
403 AM AST Fri Apr 26 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.

AMZ700-262030-
403 AM AST Fri Apr 26 2024

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A small northwesterly swell will continue to spread across the local
waters through today. Showers and thunderstorms will continue to
affect the local waters for the next several days as lingering
moisture from a surface trough/old frontal boundary remains over the
local area. Winds will prevail from the east and becoming northeast
on Saturday under the influence of a surface high pressure moving off
the eastern coast of the United States.

$$

AMZ711-262030-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
403 AM AST Fri Apr 26 2024

.TODAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds.
Scattered showers with isolated thunderstorms.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds.
Scattered showers.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds.
Scattered showers.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Gusts up to 25
knots after midnight. Seas 3 to 5 feet with occasional seas up to
6 feet. Dominant period 10 seconds. Scattered showers.
.SUNDAY...Northeast 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 10 seconds, subsiding to 8 seconds. Scattered
showers.
.MONDAY...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 8 seconds. Isolated showers.
.TUESDAY...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 10 seconds. Isolated showers.

$$

AMZ712-262030-
Coastal Waters of Northern Puerto Rico out 10 NM-
403 AM AST Fri Apr 26 2024

.TODAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Isolated
showers.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 8 seconds.
Scattered showers.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Gusts up to 25
knots after midnight. Seas 2 to 4 feet with occasional seas around
5 feet. Dominant period 10 seconds. Scattered showers.
.SUNDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds,
subsiding to 8 seconds. Numerous showers.
.MONDAY...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 8 seconds. Isolated showers.
.TUESDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant period 10 seconds. Isolated
showers.

$$

AMZ716-262030-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
403 AM AST Fri Apr 26 2024

.TODAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. Isolated
showers.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Numerous showers.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 8 seconds.
Scattered showers.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.SUNDAY...Northeast 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, subsiding to 7 seconds. Scattered
showers.
.MONDAY...Northeast 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 7 seconds. Isolated showers.
.TUESDAY...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.

$$

AMZ723-262030-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
403 AM AST Fri Apr 26 2024

.TODAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Isolated showers.
.TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots.
Seas 2 to 4 feet with occasional seas around 5 feet. Dominant
period 7 seconds. Scattered showers.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Isolated showers.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas around 5 feet. Dominant period 10 seconds.
.SUNDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds,
subsiding to 7 seconds. Scattered showers.
.MONDAY...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.
.TUESDAY...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.

$$

AMZ726-262030-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
403 AM AST Fri Apr 26 2024

.TODAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Isolated showers.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Numerous showers.
.SATURDAY...East winds 10 to 15 knots, becoming northeast in the
afternoon. Seas 2 to 4 feet with occasional seas around 5 feet.
Dominant period 10 seconds. Numerous showers.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to 3
feet. Dominant period 10 seconds. Scattered showers.
.SUNDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds,
subsiding to 6 seconds. Scattered showers.
.MONDAY...Northeast winds 15 to 20 knots with gusts up to 30
knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
Dominant period 7 seconds. Isolated showers.
.TUESDAY...Northeast winds 15 to 20 knots with gusts up to 30
knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
Dominant period 7 seconds, increasing to 10 seconds. Isolated
showers.

$$

AMZ733-262030-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
403 AM AST Fri Apr 26 2024

.TODAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 7 seconds.
Scattered showers.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 6 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.
Scattered showers.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
25 knots. Seas 2 to 4 feet with occasional seas around 5 feet.
Dominant period 10 seconds. Scattered showers.
.SUNDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds,
subsiding to 6 seconds. Scattered showers.
.MONDAY...Northeast winds 15 to 20 knots with gusts up to 30
knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
Dominant period 6 seconds. Isolated showers.
.TUESDAY...Northeast 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. Isolated showers.

$$

AMZ735-262030-
Coastal Waters of Southern Puerto Rico out 10 NM-
403 AM AST Fri Apr 26 2024

.TODAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Scattered showers.
.TONIGHT...East winds 5 to 10 knots. 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 7 seconds. Scattered showers. Isolated thunderstorms in the
afternoon.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 6 seconds. Scattered showers.
.SUNDAY...Northeast winds 10 to 15 knots with gusts up to 25
knots. Seas 1 to 3 feet. Dominant period 6 seconds. Scattered
showers.
.MONDAY...Northeast winds 10 to 15 knots with gusts up to 25
knots. Seas 2 to 4 feet with occasional seas around 5 feet.
Dominant period 6 seconds. Isolated showers.
.TUESDAY...Northeast winds 10 to 15 knots with gusts up to 25
knots. Seas 2 to 4 feet with occasional seas around 5 feet.
Dominant period 6 seconds. Isolated showers.

$$

AMZ741-262030-
Mona Passage Southward to 17N-
403 AM AST Fri Apr 26 2024

.TODAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds.
Scattered showers with isolated thunderstorms.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Isolated showers and thunderstorms.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
25 knots. Seas 2 to 4 feet with occasional seas around 5 feet.
Dominant period 7 seconds. Numerous showers with isolated
thunderstorms.
.SUNDAY...Northeast winds 15 to 20 knots with gusts up to 30
knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
Dominant period 6 seconds. Scattered showers.
.MONDAY...Northeast winds 20 to 25 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant period 7 seconds. Scattered
showers.
.TUESDAY...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, increasing to 10 seconds. Isolated
showers.

$$

AMZ742-262030-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
403 AM AST Fri Apr 26 2024

.TODAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers. Isolated thunderstorms this afternoon.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Isolated showers.
.SATURDAY...East winds 10 to 15 knots, becoming northeast in the
afternoon. Seas 2 to 4 feet with occasional seas around 5 feet.
Dominant period 10 seconds. Scattered showers. Isolated
thunderstorms in the afternoon.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Gusts up to 25
knots after midnight. Seas 2 to 4 feet with occasional seas around
5 feet. Dominant period 8 seconds. Isolated showers.
.SUNDAY...Northeast 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 7 seconds. Isolated showers.
.MONDAY...Northeast winds 15 to 20 knots with gusts up to 30
knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
Dominant period 7 seconds. Scattered showers.
.TUESDAY...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 8 seconds, increasing to 10 seconds.

$$

AMZ745-262030-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
403 AM AST Fri Apr 26 2024

.TODAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers. Isolated thunderstorms this afternoon.
.TONIGHT...Northeast winds 5 to 10 knots. 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 1 to 3 feet. Dominant
period 10 seconds. Isolated thunderstorms in the afternoon.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to 3
feet. Dominant period 8 seconds. Isolated showers.
.SUNDAY...Northeast winds 10 to 15 knots. Gusts up to 25 knots.
Seas 1 to 3 feet. Dominant period 8 seconds. Scattered showers.
.MONDAY...Northeast winds 15 to 20 knots. Gusts up to 30 knots.
Seas 2 to 4 feet with occasional seas around 5 feet. Dominant
period 8 seconds. Scattered showers.
.TUESDAY...Northeast winds 10 to 15 knots with gusts up to 25
knots. Seas 2 to 4 feet with occasional seas around 5 feet.
Dominant period 9 seconds, increasing to 10 seconds. Scattered
showers.

$$