Coastal Waters Forecast
Issued by NWS San Juan, PR

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FZCA52 TJSJ 202000
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
400 PM AST Sat Apr 20 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.

AMZ700-210815-
400 PM AST Sat Apr 20 2024

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
Gentle to moderate northeasterly wind flow will continue to prevail
across the local waters through at least early the next workweek,
becoming light to gentle from the east southeast on Tuesday. A small
northeasterly swell will move across the Atlantic waters through the
weekend. However, seas will remain less than 5 feet for the most
part.

$$

AMZ711-210815-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
400 PM AST Sat Apr 20 2024

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

$$

AMZ712-210815-
Coastal Waters of Northern Puerto Rico out 10 NM-
400 PM AST Sat Apr 20 2024

.TONIGHT...East winds 10 to 15 knots. Gusts up to 25 knots this
evening. Seas 2 to 4 feet with occasional seas around 5 feet.
Dominant period 10 seconds. Scattered showers.
.SUNDAY...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 10 seconds. Scattered showers.
.SUNDAY 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. Numerous showers.
.MONDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 6 seconds. Numerous
showers. Isolated thunderstorms in the afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots, becoming southeast after
midnight. Seas 2 to 4 feet with occasional seas around 5 feet.
Dominant period 10 seconds. Scattered showers.
.TUESDAY...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. Numerous showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 8 seconds,
increasing to 10 seconds. Numerous showers.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Isolated thunderstorms through the day. Scattered showers.

$$

AMZ716-210815-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
400 PM AST Sat Apr 20 2024

.TONIGHT...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 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. Numerous showers.
.SUNDAY NIGHT...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 6 seconds. Numerous showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 6 seconds.
Scattered showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.TUESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 10 seconds. Isolated thunderstorms through the day.
Scattered showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 8 seconds, increasing to 10 seconds. Numerous showers.
.THURSDAY...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.

$$

AMZ723-210815-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
400 PM AST Sat Apr 20 2024

.TONIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.SUNDAY...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 10 seconds. Scattered showers.
.SUNDAY 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. Numerous showers.
.MONDAY...East winds around 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 6 seconds.
Scattered showers.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Isolated showers.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Scattered showers.
.WEDNESDAY...East winds 10 to 15 knots. Gusts up to 25 knots. Seas
2 to 4 feet with occasional seas around 5 feet. Dominant period 7
seconds. Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Gusts up to 25 knots. Seas
3 to 5 feet with occasional seas up to 6 feet. Dominant period 7
seconds. Isolated showers.

$$

AMZ726-210815-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
400 PM AST Sat Apr 20 2024

.TONIGHT...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 10 seconds. Scattered showers.
.SUNDAY...Northeast winds 10 to 15 knots. Gusts up to 25 knots in
the morning. Seas 2 to 4 feet with occasional seas around 5 feet.
Dominant period 7 seconds. Numerous showers.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 6 seconds. Numerous
showers.
.MONDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 6 seconds. Scattered showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 7 seconds. Numerous showers.
.TUESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 10 seconds. Scattered showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated thunderstorms through the day. Numerous
showers.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 7 seconds. Isolated
showers.

$$

AMZ733-210815-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
400 PM AST Sat Apr 20 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...Northeast winds 15 to 20 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...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. Numerous showers.
.SUNDAY NIGHT...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 6 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 6 seconds. Scattered showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 6 seconds. Numerous showers.
.TUESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 6 seconds. Scattered showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 6 seconds. Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Gusts up to 25 knots. Seas
2 to 4 feet with occasional seas around 5 feet. Dominant period 6
seconds. Scattered showers.

$$

AMZ735-210815-
Coastal Waters of Southern Puerto Rico out 10 NM-
400 PM AST Sat Apr 20 2024

.TONIGHT...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 6 seconds. Scattered showers.
.SUNDAY...East winds 10 to 15 knots. Gusts up to 25 knots in the
afternoon. Seas 1 to 3 feet. Dominant period 6 seconds. Numerous
showers.
.SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 25
knots, diminishing to east 10 to 15 knots after midnight. Seas 1
to 3 feet. Dominant period 6 seconds. Scattered showers.
.MONDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 6 seconds. Isolated showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet or
less. Dominant period 6 seconds. Scattered showers.
.TUESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 6 seconds. Isolated showers.
.WEDNESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 6 seconds. Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 6 seconds. Isolated thunderstorms through the day.
Scattered showers.

$$

AMZ741-210815-
Mona Passage Southward to 17N-
400 PM AST Sat Apr 20 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...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 6 seconds. Isolated showers.
.SUNDAY...Northeast 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.
.SUNDAY NIGHT...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 6 seconds. Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 6 seconds.
Scattered showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 7 seconds. Scattered showers.
.TUESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 10 seconds. Scattered showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 10 seconds. Numerous showers.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Isolated thunderstorms through the day. Scattered showers.

$$

AMZ742-210815-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
400 PM AST Sat Apr 20 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...Northeast winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Isolated showers.
.SUNDAY...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. Scattered showers. Isolated
thunderstorms in the afternoon.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots, becoming east
after midnight. Seas 2 to 4 feet with occasional seas around 5
feet. Dominant period 6 seconds. Isolated showers.
.MONDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 6 seconds. Isolated
thunderstorms in the afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 10 seconds. Isolated showers.
.TUESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 11 seconds. Isolated thunderstorms through the day.
Scattered showers.
.WEDNESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 7 seconds, increasing to 10 seconds. Isolated thunderstorms
through the day. Numerous showers.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas around 5 feet. Dominant period 10 seconds.
Isolated thunderstorms through the day. Numerous showers.

$$

AMZ745-210815-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
400 PM AST Sat Apr 20 2024

.TONIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet or
less. Dominant period 6 seconds. Isolated showers.
.SUNDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas around 2 feet or less. Dominant period 6 seconds.
Numerous showers. Isolated thunderstorms in the afternoon.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet
or less. Dominant period 6 seconds. Isolated showers.
.MONDAY...East winds 5 to 10 knots. Seas around 2 feet or less.
Dominant period 6 seconds.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet or
less. Dominant period 10 seconds. Isolated showers.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet or less.
Dominant period 10 seconds. Scattered showers.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet or less.
Dominant period 7 seconds, increasing to 10 seconds. Isolated
thunderstorms through the day. Numerous showers.
.THURSDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 10 seconds. Isolated thunderstorms through the day.
Numerous showers.

$$
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