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FZCA52 TJSJ 171241
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
839 AM AST Sun Dec 17 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.

AMZ700-180115-
839 AM AST Sun Dec 17 2017

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A surface high pressure will build and spread across the western
Atlantic, tightening the local pressure gradient through midweek.
This will continue a moderate to fresh east to northeast wind flow
across the islands. Rough wind driven seas will continue across the
regional waters until late Monday.

$$

AMZ710-180115-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
839 AM AST Sun Dec 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY Afternoon...

.REST OF TODAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet
with occasional seas up to 9 feet. Dominant Period 7 seconds.
North swell around 4 feet in the afternoon. Isolated showers.
.TONIGHT...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 7 seconds. Northwest
swell around 4 feet. Scattered showers.
.MONDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 8 seconds. North
swell around 4 feet. Scattered showers.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 8 seconds.
Scattered showers.
.TUESDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 8 seconds. Scattered
showers.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 8 seconds. Scattered
showers.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 8 seconds. Scattered
showers.

$$

AMZ712-180115-
Coastal Waters of Northern Puerto Rico out 10 NM-
839 AM AST Sun Dec 17 2017

...Small Craft should exercise caution...

.REST OF TODAY...Northeast winds 15 to 20 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. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Scattered
showers.
.MONDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Scattered
showers.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 8 seconds.
Isolated showers.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 8 seconds. Scattered
showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 8 seconds. Scattered
showers.
.THURSDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 8 seconds. Scattered
showers.

$$

AMZ715-180115-
Coastal Waters of Northern USVI and Culebra out 10 NM-
839 AM AST Sun Dec 17 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM AST THIS AFTERNOON
THROUGH MONDAY Afternoon...

.REST OF TODAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet
with occasional seas up to 8 feet. Dominant Period 7 seconds.
Scattered showers.
.TONIGHT...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Scattered
showers.
.MONDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 10 seconds.
Scattered showers.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 10 seconds.
Scattered showers.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds. North
swell around 4 feet. Scattered showers.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds.
Scattered showers.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 8 seconds. Scattered
showers.

$$

AMZ722-180115-
Anegada Passage Southward to 17N-
839 AM AST Sun Dec 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE Tonight...

.REST OF TODAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet
with occasional seas up to 9 feet. Dominant Period 7 seconds.
North swell around 4 feet in the afternoon. Scattered showers.
.TONIGHT...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 7 seconds. Northeast
swell around 4 feet in the evening. Scattered showers.
.MONDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Scattered
showers.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 8 seconds.
Isolated showers.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet. Scattered showers.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet. Scattered showers.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 8 seconds. Scattered
showers.

$$

AMZ725-180115-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM-
839 AM AST Sun Dec 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE Tonight...

.REST OF TODAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet
with occasional seas up to 9 feet. Dominant Period 7 seconds.
Scattered showers.
.TONIGHT...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 7 seconds. Scattered
showers.
.MONDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Scattered
showers.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 8 seconds.
Scattered showers.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 8 seconds. Scattered
showers.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 8 seconds. Scattered
showers.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 8 seconds. Scattered
showers.

$$

AMZ732-180115-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
839 AM AST Sun Dec 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY Afternoon...

.REST OF TODAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet
with occasional seas up to 9 feet. Dominant Period 7 seconds.
North swell around 4 feet. Scattered showers.
.TONIGHT...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 7 seconds. North
swell around 4 feet. Scattered showers.
.MONDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 7 seconds. North
swell around 4 Feet. Scattered showers.
.MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 8 seconds.
Scattered showers.
.TUESDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 8 seconds. Scattered
showers.
.WEDNESDAY...Northeast winds 15 to 20 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...Northeast 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. Scattered showers.

$$

AMZ735-180115-
Coastal Waters of Southern Puerto Rico out 10 NM-
839 AM AST Sun Dec 17 2017

...Small Craft should exercise caution...

.REST OF TODAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant Period 7 seconds.
Isolated showers.
.TONIGHT...Northeast 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 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Scattered
showers.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant Period 7 seconds.
Scattered showers.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Scattered
showers.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 8 seconds. Scattered
showers.
.THURSDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Isolated
showers.

$$

AMZ741-180115-
Mona Passage Southward to 17N-
839 AM AST Sun Dec 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY Afternoon...

.REST OF TODAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet
with occasional seas up to 9 feet. Dominant Period 7 seconds.
North swell around 4 feet shifting to the east in the afternoon.
Isolated showers.
.TONIGHT...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 7 seconds. Northeast
swell around 4 feet after midnight. Isolated showers.
.MONDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 7 seconds. North
swell around 4 Feet. Scattered showers.
.MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 8 seconds.
Isolated showers.
.TUESDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 8 seconds. Scattered
showers.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 8 seconds. Scattered
showers.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 8 seconds. Isolated
showers.

$$

AMZ742-180115-
Coastal Waters OF Northwestern Puerto Rico out 10 NM-
839 AM AST Sun Dec 17 2017

...Small Craft should exercise caution...

.REST OF TODAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 7 seconds.
Isolated showers.
.TONIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Isolated
showers.
.MONDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds. Isolated
showers through the day.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 8 seconds.
Isolated showers.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 8 seconds. Isolated
showers.

$$

AMZ745-180115-
Coastal Waters OF Southwestern Puerto Rico out 10 NM-
839 AM AST Sun Dec 17 2017

...Small Craft should exercise caution...

.REST OF TODAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant Period 8 seconds.
Isolated showers.
.TONIGHT...Northeast 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.
.MONDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Isolated
showers through the day.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant Period 10 seconds.
Isolated showers.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers.
.THURSDAY...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant Period 7 seconds. Isolated showers.

$$
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