Coastal Waters Forecast
Issued by NWS San Juan, PR

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000
FZCA52 TJSJ 210050
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
850 PM AST Fri Oct 20 2017

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.

AMZ700-211330-
850 PM AST Fri Oct 20 2017

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A surface high pressure will build north of the area during
the upcoming weekend to promote a moderate to fresh easterly
wind flow through at least midweek next week.

$$

AMZ710-211330-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
850 PM AST Fri Oct 20 2017

...Small Craft should exercise caution...

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 8 seconds.
Isolated showers.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.SATURDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Isolated
showers.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 8 seconds. Isolated
showers.
.TUESDAY...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...Southeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 8 seconds. Isolated
showers.

$$

AMZ712-211330-
Coastal Waters of Northern Puerto Rico out 10 NM-
850 PM AST Fri Oct 20 2017

...Small Craft should exercise caution...

.REST OF TONIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 8 seconds.
Isolated showers through the night.
.SATURDAY...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 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 through the night.
.SUNDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.SUNDAY 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.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.TUESDAY...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...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
Period 8 seconds. Isolated showers.

$$

AMZ715-211330-
Coastal Waters of Northern USVI and Culebra out 10 NM-
850 PM AST Fri Oct 20 2017

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant Period 8 seconds.
Isolated showers.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 8 seconds. Isolated
showers.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 8 seconds. Isolated
showers.
.TUESDAY...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...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
Period 8 seconds. Scattered showers.

$$

AMZ722-211330-
Anegada Passage Southward to 17N-
850 PM AST Fri Oct 20 2017

.REST OF 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.
.SATURDAY...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 day.
.SATURDAY 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.
.SUNDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 8 seconds. Isolated
showers.
.TUESDAY...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...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. Isolated showers.

$$

AMZ725-211330-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM-
850 PM AST Fri Oct 20 2017

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant Period 8 seconds.
Isolated showers.
.SATURDAY...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 day.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 8 seconds. Isolated
showers.
.TUESDAY...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...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 8 seconds. Scattered
showers.

$$

AMZ732-211330-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
850 PM AST Fri Oct 20 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY Morning...

.REST OF TONIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet
with occasional seas up to 9 feet. Dominant Period 7 seconds.
Isolated showers.
.SATURDAY...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Isolated
showers.
.SATURDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Isolated
showers.
.SUNDAY...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Isolated
showers.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Isolated
showers.
.MONDAY...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Isolated
showers.
.TUESDAY...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.

$$

AMZ735-211330-
Coastal Waters of Southern Puerto Rico out 10 NM-
850 PM AST Fri Oct 20 2017

...Small Craft should exercise caution...

.REST OF TONIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 7 seconds.
Isolated showers through the night.
.SATURDAY...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Isolated
showers.
.SATURDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Isolated
showers through the night.
.SUNDAY...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Isolated
showers.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Isolated
showers.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.TUESDAY...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...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
Period 8 seconds. Isolated showers.

$$

AMZ741-211330-
Mona Passage Southward to 17N-
850 PM AST Fri Oct 20 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY Morning...

.REST OF TONIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet
with occasional seas up to 10 feet. Dominant Period 7 seconds.
North swell around 4 feet. Isolated showers through the night.
.SATURDAY...East winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 7 seconds. Isolated
showers through the day.
.SATURDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Northeast
swell around 4 feet after midnight. Isolated showers through the
night.
.SUNDAY...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Northeast
swell around 4 feet. Isolated showers.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Northeast
swell around 4 feet in the evening. Isolated showers.
.MONDAY...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Isolated
showers.
.TUESDAY...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...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Isolated
showers.

$$

AMZ742-211330-
Coastal Waters OF Northwestern Puerto Rico out 10 NM-
850 PM AST Fri Oct 20 2017

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant Period 8 seconds.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds.
.SATURDAY 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.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds.
.SUNDAY 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.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Isolated
showers.
.TUESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
Period 7 seconds. Isolated showers.
.WEDNESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
Period 7 seconds. Isolated showers.

$$

AMZ745-211330-
Coastal Waters OF Southwestern Puerto Rico out 10 NM-
850 PM AST Fri Oct 20 2017

...Small Craft should exercise caution...

.REST OF TONIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant Period 8 seconds.
.SATURDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds.
.SATURDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 8 seconds. Isolated
showers.
.SUNDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 8 seconds.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Isolated
showers.
.TUESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
Period 7 seconds. Isolated showers.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant Period 7 seconds. Isolated showers.

$$


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