Coastal Waters Forecast
Issued by NWS San Juan, PR

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FZCA52 TJSJ 241433
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
1033 AM AST Tue Apr 24 2018

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.

AMZ700-250330-
1033 AM AST Tue Apr 24 2018

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
Choppy seas are expected across the offshore waters and passages for
the next several days. East to northeast moderate to locally fresh
trades will prevail today. Winds turn more east to southeast during
the second half of the week as a front and associated low pressure
moves across the northwestern Atlantic. Showers and isolated
thunderstorms are expected across the western coastal waters this
afternoon.

$$

AMZ710-250330-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
1033 AM AST Tue Apr 24 2018

...Small Craft should exercise caution...

.REST OF TODAY...East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Isolated
showers.
.TONIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Isolated
showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant Period 7 seconds.
Isolated showers.
.THURSDAY...East winds 10 to 15 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. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 11 seconds.
Northeast swell 4 to 5 feet. Isolated showers.
.SATURDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 11 seconds.
Northeast swell 4 to 5 feet. Isolated showers.

$$

AMZ712-250330-
Coastal Waters of Northern Puerto Rico out 10 NM-
1033 AM AST Tue Apr 24 2018

...Small Craft should exercise caution...

.REST OF TODAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 8 seconds. Isolated
showers.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers through the night.
.WEDNESDAY...East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Isolated
showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant Period 7 seconds.
Isolated showers.
.THURSDAY...East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Isolated
showers.
.FRIDAY...East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Northeast swell around 4 feet. Isolated showers.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds.
Northeast swell around 4 feet. Isolated showers.

$$

AMZ715-250330-
Coastal Waters of Northern USVI and Culebra out 10 NM-
1033 AM AST Tue Apr 24 2018

.REST OF TODAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Isolated
showers.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Isolated
showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Isolated
showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant Period 7 seconds.
Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Scattered
showers.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Isolated
showers.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 11 seconds.
Northeast swell around 4 feet. Isolated showers.

$$

AMZ722-250330-
Anegada Passage Southward to 17N-
1033 AM AST Tue Apr 24 2018

.REST OF TODAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds. East
swell around 4 feet. Isolated showers.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds. Isolated
showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 8 seconds. Isolated
showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant Period 10 seconds.
Northeast swell around 4 feet. Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 8 seconds. Scattered
showers.
.FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds.
Northeast swell 4 to 5 feet. Isolated showers.

$$

AMZ725-250330-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM-
1033 AM AST Tue Apr 24 2018

.REST OF TODAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Isolated
showers.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Isolated
showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Isolated
showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Northeast swell around 4 feet. Scattered showers.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds. Isolated
showers.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds. East
swell around 4 feet. Isolated showers.

$$

AMZ732-250330-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
1033 AM AST Tue Apr 24 2018

...Small Craft should exercise caution...

.REST OF TODAY...East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 12 seconds.
Northeast swell around 4 feet. Isolated thunderstorms late in the
morning, then isolated showers in the afternoon.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds. Isolated
showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 8 seconds. Isolated
showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant Period 11 seconds.
Northeast swell around 4 feet. 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.
Northeast swell around 4 feet. Isolated showers.
.FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds.
Northeast swell 4 to 5 feet. Isolated showers.
.SATURDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 11 seconds.
Northeast swell 4 to 5 feet. Isolated showers.

$$

AMZ735-250330-
Coastal Waters of Southern Puerto Rico out 10 NM-
1033 AM AST Tue Apr 24 2018

...Small Craft should exercise caution...

.REST OF TODAY...East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Isolated
thunderstorms late in the morning. Scattered showers through the
day.
.TONIGHT...East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Isolated
showers through the night.
.WEDNESDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
Period 7 seconds. Isolated showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant Period 7 seconds.
Isolated showers.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 8 seconds. Isolated
showers.
.FRIDAY...East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Isolated
showers.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Isolated
showers.

$$

AMZ741-250330-
Mona Passage Southward to 17N-
1033 AM AST Tue Apr 24 2018

.REST OF TODAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
thunderstorms late in the morning. Showers through the day.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers through the night.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant Period 7 seconds.
Isolated showers.
.THURSDAY...East winds 10 to 15 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. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.SATURDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds.
Northeast swell around 4 feet. Isolated showers.

$$

AMZ742-250330-
Coastal Waters OF Northwestern Puerto Rico out 10 NM-
1033 AM AST Tue Apr 24 2018

.REST OF TODAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant Period 7 seconds.
Numerous showers through the day. Isolated thunderstorms in the
afternoon.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Scattered
showers.
.WEDNESDAY...East winds 5 to 10 knots backing north in the
afternoon. Seas 1 to 3 feet. Dominant Period 7 seconds. Scattered
showers.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant Period 7 seconds. Isolated showers.
.THURSDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
Period 7 seconds. Isolated thunderstorms, then scattered showers.
.FRIDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Isolated
thunderstorms. Scattered showers.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 11 seconds. Isolated
thunderstorms. Scattered showers.

$$

AMZ745-250330-
Coastal Waters OF Southwestern Puerto Rico out 10 NM-
1033 AM AST Tue Apr 24 2018

.REST OF TODAY...East winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant Period 7 seconds. Isolated showers late in the morning,
then isolated thunderstorms in the afternoon.
.TONIGHT...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
Period 7 seconds. Scattered showers.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant Period 7 seconds. Isolated showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant Period 7 seconds. Isolated showers.
.THURSDAY...East winds 15 to 20 knots. Seas 1 to 3 feet. Dominant
Period 7 seconds. Isolated showers.
.FRIDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
Period 7 seconds. Isolated thunderstorms, then isolated showers.
.SATURDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
Period 7 seconds. Isolated showers.

$$



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