Coastal Waters Forecast
Issued by NWS San Juan, PR

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
000
FZCA52 TJSJ 180044 AAA
CWFSJU

Coastal Waters Forecast...UPDATED
National Weather Service San Juan PR
844 PM AST Fri Nov 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.

AMZ700-181315-
844 PM AST Fri Nov 17 2017

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A shear line and associated moisture along will linger across the
Atlantic waters through the weekend. Southerly winds of 10 to 15 kts
induced by a frontal trough will prevail across the regional waters.
Showers and thunderstorms will remain possible across the local waters
through Monday. A northerly swell is forecast to reach the Atlantic
Waters through Saturday.

$$

AMZ710-181315-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
844 PM AST Fri Nov 17 2017

.REST OF TONIGHT...Southwest 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 after midnight. Scattered
showers and isolated thunderstorms.
.SATURDAY...Southwest 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 and isolated thunderstorms.
.SATURDAY NIGHT...South 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. Isolated thunderstorms 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 and isolated thunderstorms.
.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...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 thunderstorms. 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.

$$

AMZ712-181315-
Coastal Waters of Northern Puerto Rico out 10 NM-
844 PM AST Fri Nov 17 2017

.REST OF TONIGHT...West winds 5 to 10 knots backing southwest
after midnight. Seas 2 to 4 feet with occasional seas up to 5
feet. Dominant Period 10 seconds. Scattered showers and isolated
thunderstorms.
.SATURDAY...West 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. Numerous showers and isolated thunderstorms.
.SATURDAY NIGHT...South 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. Isolated thunderstorms 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 8 seconds. Numerous
showers and isolated thunderstorms.
.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.
.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. Isolated thunderstorms. Scattered
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 1 to 3 feet. Dominant
Period 10 seconds. Isolated showers.

$$

AMZ715-181315-
Coastal Waters of Northern USVI and Culebra out 10 NM-
844 PM AST Fri Nov 17 2017

.REST OF TONIGHT...Southwest 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.
.SATURDAY...Southwest 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 afternoon. Numerous showers and
isolated thunderstorms.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots backing southeast
after midnight. Seas 3 to 5 feet with occasional seas up to 6
feet. Dominant Period 10 seconds. North swell around 4 feet.
Numerous showers in the evening. Isolated thunderstorms through
the night.
.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.
.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.
.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.
.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.

$$

AMZ722-181315-
Anegada Passage Southward to 17N-
844 PM AST Fri Nov 17 2017

.REST OF TONIGHT...South winds around 10 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant Period 11 seconds.
North swell around 4 feet after midnight. Isolated thunderstorms.
.SATURDAY...South 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. Isolated showers in the morning, then
isolated thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast 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. Isolated thunderstorms in the evening.
Scattered showers through the night.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Isolated
showers.
.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.
.MONDAY...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.

$$

AMZ725-181315-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM-
844 PM AST Fri Nov 17 2017

.REST OF TONIGHT...Southwest 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.
.SATURDAY...Southwest 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.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots backing southeast
after midnight. Seas 2 to 4 feet with occasional seas up to 5
feet. Dominant Period 10 seconds. Numerous showers in the evening.
Isolated thunderstorms through the night.
.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.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers.
.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.
.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 8 seconds. Scattered showers.

$$

AMZ732-181315-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
844 PM AST Fri Nov 17 2017

.REST OF TONIGHT...South winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant Period 10 seconds. Scattered showers through the night.
Isolated thunderstorms after midnight.
.SATURDAY...South 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.
.SATURDAY NIGHT...Southeast 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...Southeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Isolated
showers.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers.
.MONDAY...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.
.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.

$$

AMZ735-181315-
Coastal Waters of Southern Puerto Rico out 10 NM-
844 PM AST Fri Nov 17 2017

.REST OF TONIGHT...South winds 5 to 10 knots veering west after
midnight. Seas 1 to 3 feet. Dominant Period 7 seconds. Scattered
showers and isolated thunderstorms.
.SATURDAY...South winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
Period 7 seconds. Scattered showers through the day. Isolated
thunderstorms in the afternoon.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots veering northeast
after midnight. Seas 1 to 3 feet. Dominant Period 7 seconds.
Scattered showers in the evening. Isolated thunderstorms through
the night.
.SUNDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
Period 7 seconds. Isolated thunderstorms in the morning. Scattered
showers through the day.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant Period 7 seconds. Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas 1 to 3 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 7 seconds. Isolated
showers.
.WEDNESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
Period 7 seconds. Isolated showers.

$$

AMZ741-181315-
Mona Passage Southward to 17N-
844 PM AST Fri Nov 17 2017

.REST OF TONIGHT...South 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.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. West
swell around 4 feet shifting to the northwest in the afternoon.
Scattered showers through the day. Isolated thunderstorms in the
afternoon.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots veering northeast
after midnight. Seas 2 to 4 feet with occasional seas up to 5
feet. Dominant Period 10 seconds. North swell around 4 feet.
Isolated thunderstorms in the evening. Scattered showers through
the night.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 8 seconds. Isolated
thunderstorms in the morning, then isolated showers in the
afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds. Isolated
showers in the evening, then isolated thunderstorms after
midnight.
.MONDAY...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 thunderstorms, then 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 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Isolated
showers.

$$

AMZ742-181315-
Coastal Waters OF Northwestern Puerto Rico out 10 NM-
844 PM AST Fri Nov 17 2017

.REST OF TONIGHT...South winds 5 to 10 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Northwest swell around 4 feet. Scattered showers through the day.
Isolated thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest 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. Isolated thunderstorms 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 8 seconds. Numerous
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. Isolated thunderstorms in the
evening, then isolated showers after midnight.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. North
swell around 4 feet. Isolated thunderstorms. Scattered 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
thunderstorms. Scattered showers.
.WEDNESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
Period 10 seconds. Isolated showers.

$$

AMZ745-181315-
Coastal Waters OF Southwestern Puerto Rico out 10 NM-
844 PM AST Fri Nov 17 2017

.REST OF TONIGHT...South winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant Period 8 seconds. Scattered showers.
.SATURDAY...Southwest 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.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds. Isolated
thunderstorms in the evening. Scattered showers through the night.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Numerous
showers and isolated thunderstorms.
.SUNDAY NIGHT...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...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.

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.