Coastal Waters Forecast
Issued by NWS San Juan, PR

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000
FZCA52 TJSJ 182015 CCA
CWFSJU

Coastal Waters Forecast...CORRECTED
National Weather Service San Juan PR
415 PM AST Sat Nov 18 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.

AMZ700-190915-
415 PM AST Sat Nov 18 2017

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A frontal boundary and associated moisture will continue to linger
across the local Atlantic waters through the weekend which will
result in southerly to easterly winds and showers with
thunderstorms. A northerly swell is forecast to reach the Atlantic
Waters through tonight. Easterly winds and a more stable air mass
is expected across the local waters the next week.

$$

AMZ710-190915-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
415 PM AST Sat Nov 18 2017

.TONIGHT...Northwest winds 5 to 10 knots veering southeast after
midnight. Seas 3 to 5 feet with occasional seas up to 6 feet.
Dominant Period 10 seconds. North swell 4 to 5 feet. Isolated
thunderstorms early in the evening. Scattered showers through the
night.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds.
Scattered showers through the day. Isolated thunderstorms in the
afternoon.
.SUNDAY NIGHT...South winds 5 to 10 knots veering west after
midnight. Seas 3 to 5 feet with occasional seas up to 6 feet.
Dominant Period 10 seconds. North swell around 4 feet after
midnight. Isolated thunderstorms in the evening, then isolated
showers after midnight.
.MONDAY...Southeast winds 5 to 10 knots backing east in the
afternoon. Seas 3 to 5 feet with occasional seas up to 6 feet.
Dominant Period 10 seconds. Northeast swell around 4 feet.
Scattered showers in the morning. Isolated thunderstorms through
the day.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 9 seconds. Northeast
swell around 4 feet in the evening. Scattered 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 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Isolated
showers.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 8 seconds. Isolated
showers.

$$

AMZ712-190915-
Coastal Waters of Northern Puerto Rico out 10 NM-
415 PM AST Sat Nov 18 2017

.TONIGHT...Northeast winds 5 to 10 knots veering southeast after
midnight. Seas 2 to 4 feet with occasional seas up to 5 feet.
Dominant Period 10 seconds. North swell around 4 feet. Scattered
showers and isolated thunderstorms.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 8 seconds. Scattered
showers and isolated thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots veering west after
midnight. Seas 3 to 5 feet with occasional seas up to 6 feet.
Dominant Period 10 seconds. North swell around 4 feet after
midnight. Isolated showers.
.MONDAY...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds.
Northeast swell around 4 feet. Scattered showers through the day.
Isolated thunderstorms in the afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 9 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...Southeast winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant Period 10 seconds. Isolated showers.
.THURSDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Isolated
showers.

$$

AMZ715-190915-
Coastal Waters of Northern USVI and Culebra out 10 NM-
415 PM AST Sat Nov 18 2017

.TONIGHT...West winds 5 to 10 knots veering north in the evening,
then veering southeast after midnight. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds. North
swell around 4 feet. Isolated thunderstorms early in the evening.
Numerous showers through the night.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers and isolated thunderstorms.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds. North
swell around 4 feet after midnight. Scattered showers and isolated
thunderstorms.
.MONDAY...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds. North
swell around 4 feet. Scattered showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds. North
swell around 4 feet in the evening. Scattered showers.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers.
.WEDNESDAY...East winds 5 to 10 knots. Seas 1 to 3 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.
Scattered showers.

$$

AMZ722-190915-
Anegada Passage Southward to 17N-
415 PM AST Sat Nov 18 2017

.TONIGHT...South winds 5 to 10 knots backing northeast after
midnight. Seas 2 to 4 feet with occasional seas up to 5 feet.
Dominant Period 10 seconds. North swell around 4 feet. Scattered
showers.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers through the day. Isolated thunderstorms in the
afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant Period 10 seconds.
North swell around 4 feet after midnight. Scattered showers and
isolated thunderstorms.
.MONDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds. North
swell around 4 feet. Scattered showers.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds. North
swell around 4 feet. Scattered showers.
.TUESDAY...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.
.WEDNESDAY...East winds 10 to 15 knots. Seas 1 to 3 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.
Scattered showers.

$$

AMZ725-190915-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM-
415 PM AST Sat Nov 18 2017

.TONIGHT...Southwest winds 5 to 10 knots veering north in the
evening, then veering east after midnight. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Isolated
thunderstorms early in the evening. Scattered showers through the
night.
.SUNDAY...East winds 5 to 10 knots veering southeast in the
afternoon. Seas 2 to 4 feet with occasional seas up to 5 feet.
Dominant Period 10 seconds. Scattered showers through the day.
Isolated thunderstorms in the afternoon.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers and isolated thunderstorms.
.MONDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
Period 8 seconds. Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
Period 10 seconds. Scattered showers.

$$

AMZ732-190915-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
415 PM AST Sat Nov 18 2017

.TONIGHT...South winds 5 to 10 knots backing east after midnight.
Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant
Period 10 seconds. Isolated thunderstorms early in the evening.
Scattered showers through the night.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers through the day. Isolated thunderstorms in the
afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers and isolated thunderstorms.
.MONDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Isolated
showers.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds.
Southeast swell around 4 feet shifting to the north after
midnight. 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. East
swell around 4 feet. 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.
.THURSDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
Period 8 seconds. Scattered showers.

$$

AMZ735-190915-
Coastal Waters of Southern Puerto Rico out 10 NM-
415 PM AST Sat Nov 18 2017

.TONIGHT...Southwest winds 5 to 10 knots backing northeast. Seas 1
to 3 feet. Dominant Period 7 seconds. Isolated thunderstorms early
in the evening. Scattered showers through the night. Isolated
thunderstorms after midnight.
.SUNDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
Period 7 seconds. Scattered showers.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant Period 7 seconds. Scattered showers.
.MONDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
Period 10 seconds. Isolated showers.
.MONDAY NIGHT...East winds 5 to 10 knots. Gusts up to 25 knots in
the evening. 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 7 seconds. Isolated
showers.
.WEDNESDAY...East winds 10 to 15 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 showers.

$$

AMZ741-190915-
Mona Passage Southward to 17N-
415 PM AST Sat Nov 18 2017

.TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Northeast swell around 4 feet. Scattered showers and isolated
thunderstorms.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 8 seconds. Scattered
showers and isolated thunderstorms.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds.
Scattered showers and isolated thunderstorms.
.MONDAY...East winds 5 to 10 knots. Gusts up to 25 knots in the
afternoon. Seas 3 to 5 feet with occasional seas up to 6 feet.
Dominant Period 10 seconds. North swell around 4 feet. Isolated
showers in the morning, then isolated thunderstorms in the
afternoon.
.MONDAY NIGHT...East 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. Isolated showers.
.TUESDAY...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. 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.
.THURSDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Isolated
showers.

$$

AMZ742-190915-
Coastal Waters OF Northwestern Puerto Rico out 10 NM-
415 PM AST Sat Nov 18 2017

.TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. North
swell around 4 feet in the evening. Numerous showers and isolated
thunderstorms.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 8 seconds. Scattered
showers.
.SUNDAY NIGHT...East winds 5 to 10 knots backing northeast after
midnight. Seas 3 to 5 feet with occasional seas up to 6 feet.
Dominant Period 10 seconds. North swell around 4 feet after
midnight. Isolated showers.
.MONDAY...East winds 15 to 20 knots becoming northeast in the
afternoon. Seas 3 to 5 feet with occasional seas up to 6 feet.
Dominant Period 10 seconds. North swell around 4 feet. Scattered
showers through the day. Isolated thunderstorms in the afternoon.
.MONDAY 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.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Isolated
showers.
.WEDNESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
Period 10 seconds. Isolated showers.
.THURSDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
Period 10 seconds. Isolated showers.

$$

AMZ745-190915-
Coastal Waters OF Southwestern Puerto Rico out 10 NM-
415 PM AST Sat Nov 18 2017

.TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Numerous
showers and isolated thunderstorms.
.SUNDAY...Northeast winds 5 to 10 knots veering southeast in the
afternoon. Seas 2 to 4 feet with occasional seas up to 5 feet.
Dominant Period 7 seconds. Scattered showers.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant Period 10 seconds.
Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Isolated
showers in the morning, then isolated thunderstorms in the
afternoon.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 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 5 to 10 knots. Seas 2 feet or less.
Dominant Period 8 seconds. Isolated showers.
.THURSDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
Period 8 seconds. Isolated showers.

$$


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