Coastal Waters Forecast
Issued by NWS San Juan, PR

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FZCA52 TJSJ 091433
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
1033 AM AST Tue Apr 9 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.

AMZ700-100330-
1033 AM AST Tue Apr 9 2024

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
An upper-level trough crossing the region along with a weak surface
trough approaching the area, will maintain the chance for showers
with isolated thunderstorm development today. Moderate to fresh north
to northeast winds will promote choppy seas today. Starting this
evening and continuing throughout the workweek, fresh to locally
strong winds and another dominant long period northerly swell will
promote hazardous seas for small craft.

$$

AMZ711-100330-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
1033 AM AST Tue Apr 9 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM AST THIS EVENING
THROUGH LATE THURSDAY NIGHT...

.REST OF TODAY...Northeast 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 7 seconds. Scattered showers.
.TONIGHT...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. Scattered showers.
.WEDNESDAY...Northeast 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 12 seconds. Isolated showers.
.WEDNESDAY NIGHT...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 12 seconds. Isolated showers.
.THURSDAY...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 showers.
.FRIDAY...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.
.SATURDAY...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 8 seconds. Isolated showers.

$$

AMZ712-100330-
Coastal Waters of Northern Puerto Rico out 10 NM-
1033 AM AST Tue Apr 9 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE THURSDAY NIGHT...

.REST OF TODAY...Northeast 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. Numerous showers.
.TONIGHT...Northeast 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 10 seconds. Numerous showers.
.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. Dominant
period 12 seconds. Scattered showers.
.WEDNESDAY NIGHT...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 12 seconds. Scattered showers.
.THURSDAY...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 showers.
.FRIDAY...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 11 seconds, decreasing to 7 seconds. Scattered showers.
.SATURDAY...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 7 seconds. Scattered showers.

$$

AMZ716-100330-
Coastal Waters from Cabo San Juan to the waters between Anegada
Island and Virgin Gorda and North 10 NM-
1033 AM AST Tue Apr 9 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE THURSDAY NIGHT...

.REST OF TODAY...Northeast 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. Numerous showers.
.TONIGHT...Northeast 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 7 seconds. Scattered showers.
.WEDNESDAY...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 11 seconds. Scattered showers.
.WEDNESDAY NIGHT...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 11 seconds. Isolated showers.
.THURSDAY...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 11 seconds. Scattered showers.
.FRIDAY...East winds 20 to 25 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant period 11 seconds.
Scattered showers.
.SATURDAY...East winds 15 to 20 knots with gusts up to 25 knots,
diminishing to east 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 12 seconds. Isolated
showers.

$$

AMZ723-100330-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
1033 AM AST Tue Apr 9 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE THURSDAY NIGHT...

.REST OF TODAY...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. Numerous showers.
.TONIGHT...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. Numerous showers.
.WEDNESDAY...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 11 seconds. Scattered showers.
.WEDNESDAY NIGHT...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 11 seconds. Scattered showers.
.THURSDAY...East winds 20 to 25 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant period 11 seconds,
subsiding to 7 seconds. Scattered showers.
.FRIDAY...East winds 20 to 25 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.
.SATURDAY...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 7 seconds. Scattered showers.

$$

AMZ726-100330-
Coastal waters east of Puerto Rico, around Vieques, and around and
just north of Culebra and Saint John-
1033 AM AST Tue Apr 9 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...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. Numerous showers.
.TONIGHT...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. Numerous showers.
.WEDNESDAY...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. Scattered showers.
.WEDNESDAY NIGHT...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 11 seconds. Scattered showers.
.THURSDAY...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 11 seconds. Scattered showers.
.FRIDAY...East winds 20 to 25 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.
.SATURDAY...East winds 15 to 20 knots with gusts up to 25 knots,
diminishing to east 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 7 seconds. Scattered
showers.

$$

AMZ733-100330-
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
1033 AM AST Tue Apr 9 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...Northeast winds 15 to 20 knots with gusts up to
30 knots. Seas 2 to 4 feet with occasional seas around 5 feet.
Dominant period 6 seconds. Scattered showers.
.TONIGHT...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. Numerous showers.
.WEDNESDAY...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. Numerous showers.
.WEDNESDAY NIGHT...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. Scattered showers.
.THURSDAY...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 6 seconds. Scattered showers.
.FRIDAY...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 7 seconds. Scattered showers.
.SATURDAY...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 7 seconds. Scattered showers.

$$

AMZ735-100330-
Coastal Waters of Southern Puerto Rico out 10 NM-
1033 AM AST Tue Apr 9 2024

.REST OF TODAY...East winds 10 to 15 knots with gusts up to 25
knots. Seas 1 to 3 feet. Dominant period 6 seconds. Scattered
showers.
.TONIGHT...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. Scattered showers.
.WEDNESDAY...Northeast winds 15 to 20 knots, becoming east in the
afternoon. Seas 2 to 4 feet with occasional seas around 5 feet.
Dominant period 6 seconds. Numerous showers.
.WEDNESDAY NIGHT...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. Scattered showers.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
showers.
.FRIDAY...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 7 seconds. Isolated showers.
.SATURDAY...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 7 seconds. Isolated showers.

$$

AMZ741-100330-
Mona Passage Southward to 17N-
1033 AM AST Tue Apr 9 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE THURSDAY NIGHT...

.REST OF TODAY...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. Scattered showers.
.TONIGHT...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. Scattered showers.
.WEDNESDAY...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. Scattered showers.
.WEDNESDAY NIGHT...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. Scattered showers.
.THURSDAY...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 showers.
.FRIDAY...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 12 seconds. Scattered showers.
.SATURDAY...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 8 seconds. Isolated showers.

$$

AMZ742-100330-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
1033 AM AST Tue Apr 9 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...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. Numerous showers.
.TONIGHT...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. Scattered showers.
.WEDNESDAY...Northeast 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 10 seconds. Scattered showers.
.WEDNESDAY NIGHT...Northeast 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 12 seconds. Isolated showers.
.THURSDAY...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 11 seconds. Isolated showers.
.FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 12 seconds. Numerous
showers.
.SATURDAY...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 12 seconds. Scattered showers.

$$

AMZ745-100330-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
1033 AM AST Tue Apr 9 2024

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...Northeast winds 15 to 20 knots, increasing to
northeast 15 to 20 knots with gusts up to 25 knots this afternoon.
Seas 2 to 4 feet with occasional seas around 5 feet. Dominant
period 6 seconds. Numerous showers.
.TONIGHT...Northeast winds 15 to 20 knots with gusts up to 30
knots, diminishing to northeast 15 to 20 knots after midnight.
Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant
period 7 seconds. Scattered showers.
.WEDNESDAY...Northeast winds 10 to 15 knots, becoming east in the
afternoon. Seas 2 to 4 feet with occasional seas around 5 feet.
Dominant period 10 seconds. Numerous showers.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Gusts up to 25
knots in the evening. Seas 3 to 5 feet with occasional seas up to
6 feet. Dominant period 12 seconds. Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 12 seconds.
Scattered showers.
.FRIDAY...East winds 10 to 15 knots. Gusts up to 25 knots. Seas 2
to 4 feet with occasional seas around 5 feet. Dominant period 11
seconds. Scattered showers.
.SATURDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 11 seconds. Scattered showers.

$$


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