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National Weather Service Marine Forecast FZCA52 TJSJ

FZCA52 TJSJ 180125
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
925 PM AST Tue Jul 17 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.

AMZ700-181400-
925 PM AST Tue Jul 17 2018

SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS

A surface high pressure over the North Central Atlantic will
maintain moderate to locally fresh easterly winds across the regional
waters through the next several days. The next tropical wave is
forecast to move across the region on Thursday and is expected to
increase shower and thunderstorm activity across most of the local
waters.



AMZ710-181400-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
925 PM AST Tue Jul 17 2018

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.

WEDNESDAY
East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 8 seconds. Isolated
showers through the day.

WEDNESDAY NIGHT
East winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant period 7 seconds.
Scattered showers through the night. Isolated thunderstorms after
midnight.

THURSDAY
East winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant period 7 seconds. Scattered
showers in the morning. Isolated thunderstorms through the day.

THURSDAY NIGHT
East winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 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 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. Scattered
showers. Isolated thunderstorms.

SUNDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers. Isolated thunderstorms.



AMZ712-181400-
Coastal Waters of Northern Puerto Rico out 10 NM-
925 PM AST Tue Jul 17 2018

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.

WEDNESDAY
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 8 seconds. Scattered
showers.

WEDNESDAY 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 in the evening, then isolated thunderstorms after
midnight.

THURSDAY
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 7 seconds. Scattered
showers and isolated thunderstorms.

THURSDAY 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.

FRIDAY
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
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.

SUNDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers. Isolated thunderstorms.



AMZ715-181400-
Coastal Waters of Northern USVI and Culebra out 10 NM-
925 PM AST Tue Jul 17 2018

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.

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 through the day.

WEDNESDAY NIGHT
East winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant period 7 seconds.
Scattered showers through the night. Isolated thunderstorms after
midnight.

THURSDAY
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 7 seconds. Isolated
thunderstorms in the morning. Scattered showers through the day.

THURSDAY 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.

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 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.

SUNDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers. Isolated thunderstorms.



AMZ722-181400-
Anegada Passage Southward to 17N-
925 PM AST Tue Jul 17 2018

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 7 seconds.
Isolated showers.

WEDNESDAY
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 7 seconds. Isolated
showers.

WEDNESDAY NIGHT
East winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant period 7 seconds.
Scattered showers.

THURSDAY
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 7 seconds. Scattered
showers.

THURSDAY 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.

FRIDAY
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
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds.
Scattered showers.

SUNDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds.
Southeast swell around 4 feet. Scattered showers. Isolated
thunderstorms.



AMZ725-181400-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM-
925 PM AST Tue Jul 17 2018

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 7 seconds.
Isolated showers.

WEDNESDAY
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 7 seconds. Scattered
showers through the day.

WEDNESDAY NIGHT
East winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant period 7 seconds.
Numerous showers through the night. Isolated thunderstorms after
midnight.

THURSDAY
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 7 seconds. Numerous
showers in the morning. Isolated thunderstorms through the day.

THURSDAY 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.

FRIDAY
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
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers.

SUNDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers. Isolated thunderstorms.



AMZ732-181400-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
925 PM AST Tue Jul 17 2018

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.

WEDNESDAY
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 day.

WEDNESDAY NIGHT
East winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant period 7 seconds.
Scattered showers through the night. Isolated thunderstorms after
midnight.

THURSDAY
East winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant period 7 seconds. Scattered
showers in the morning. Isolated thunderstorms through the day.

THURSDAY NIGHT
East winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant period 7 seconds. Isolated
showers.

FRIDAY
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 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 8 seconds. Scattered
showers.

SUNDAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds.
Scattered showers. Isolated thunderstorms.



AMZ735-181400-
Coastal Waters of Southern Puerto Rico out 10 NM-
925 PM AST Tue Jul 17 2018

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 7 seconds.
Isolated showers through the night.

WEDNESDAY
East winds 15 to 20 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 4 to 6 feet
with occasional seas up to 8 feet. Dominant period 7 seconds.
Scattered showers through the night. Isolated thunderstorms after
midnight.

THURSDAY
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 7 seconds. Scattered
showers and isolated thunderstorms.

THURSDAY 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.

FRIDAY
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
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 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers, then isolated thunderstorms.



AMZ741-181400-
Mona Passage Southward to 17N-
925 PM AST Tue Jul 17 2018

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.

WEDNESDAY
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 7 seconds. Isolated
showers.

WEDNESDAY NIGHT
East winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant period 7 seconds.
Scattered showers through the night. Isolated thunderstorms after
midnight.

THURSDAY
East winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant period 7 seconds. Scattered
showers through the day. Isolated thunderstorms in the afternoon.

THURSDAY NIGHT
East winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant period 7 seconds. Scattered
showers.

FRIDAY
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 10 to 15 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 8 seconds. Isolated
showers.



AMZ742-181400-
Coastal Waters OF Northwestern Puerto Rico out 10 NM-
925 PM AST Tue Jul 17 2018

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.

WEDNESDAY
Northeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers through the day. Isolated thunderstorms in the afternoon.

WEDNESDAY 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.

THURSDAY
Northeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Numerous
showers through the day. Scattered thunderstorms in the afternoon.

THURSDAY 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.

FRIDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
thunderstorms, then isolated showers.

SATURDAY
East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated thunderstorms, then isolated showers.

SUNDAY
East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated thunderstorms. Isolated showers.



AMZ745-181400-
Coastal Waters OF Southwestern Puerto Rico out 10 NM-
925 PM AST Tue Jul 17 2018

REST OF TONIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 7 seconds.

WEDNESDAY
East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds.

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
Southeast winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers through the day. Isolated thunderstorms in the afternoon.

THURSDAY 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.

FRIDAY
East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 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 thunderstorms, then isolated showers.

SUNDAY
East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated thunderstorms, then isolated showers.