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Hurricane Symbol Storm Special! View the latest observations near Atlantic Subtropical Depression Andrea.

National Weather Service Marine Forecast FZCA52 TJSJ

FZCA52 TJSJ 211418
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
1018 AM AST Tue May 21 2019

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.

AMZ700-220245-
1018 AM AST Tue May 21 2019

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

A surface high pressure over the east-central Atlantic and the
Subtropical Storm Andrea across the western Atlantic will continue to
promote a light to moderate east to southeast wind flow across the
region for the next few days. Fairly tranquil seas are expected to
continue across the regional waters during the next several days.



AMZ710-220245-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
1018 AM AST Tue May 21 2019

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

TONIGHT
Southeast 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 night. Isolated thunderstorms after midnight.

WEDNESDAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
thunderstorms in the morning. Scattered showers through the day.

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 7 seconds.
Scattered showers through the night. Isolated thunderstorms after
midnight.

THURSDAY
Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers.

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

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. Isolated thunderstorms.



AMZ712-220245-
Coastal Waters of Northern Puerto Rico out 10 NM-
1018 AM AST Tue May 21 2019

SMALL CRAFT SHOULD EXERCISE CAUTION


REST OF TODAY
East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers.

TONIGHT
Southeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
showers.

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

WEDNESDAY NIGHT
Southeast winds 10 to 15 knots. Seas 2 to 4
feet with occasional seas up to 5 feet. Dominant period 8 seconds.
Scattered showers.

THURSDAY
Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 8 seconds. Isolated thunderstorms. Scattered
showers.

FRIDAY
Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 8 seconds. Isolated thunderstorms. Scattered
showers.

SATURDAY
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.



AMZ715-220245-
Coastal Waters of Northern USVI and Culebra out 10 NM-
1018 AM AST Tue May 21 2019

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

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

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

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 8 seconds.
Scattered showers and isolated thunderstorms.

THURSDAY
Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 8 seconds. Scattered showers.

FRIDAY
East winds 5 to 10 knots. Seas 2 feet or less. Dominant
period 8 seconds. Scattered showers and isolated thunderstorms.

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



AMZ722-220245-
Anegada Passage Southward to 17N-
1018 AM AST Tue May 21 2019

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

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

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 7 seconds.
Scattered showers and isolated thunderstorms.

THURSDAY
East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Scattered showers.

FRIDAY
East winds around 10 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Scattered showers.

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



AMZ725-220245-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM-
1018 AM AST Tue May 21 2019

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

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

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

WEDNESDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 7 seconds.
Scattered showers and isolated thunderstorms.

THURSDAY
Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 8 seconds. Scattered showers.

FRIDAY
East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Isolated thunderstorms. Scattered showers.

SATURDAY
East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 10 seconds. Scattered showers.



AMZ732-220245-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
1018 AM AST Tue May 21 2019

REST OF TODAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
showers through the day.

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

WEDNESDAY
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 NIGHT
East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
thunderstorms through the night. Scattered showers after midnight.

THURSDAY
Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 8 seconds. Scattered showers.

FRIDAY
East winds 5 to 10 knots. Seas 2 feet or less. Dominant
period 8 seconds. Scattered showers.

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



AMZ735-220245-
Coastal Waters of Southern Puerto Rico out 10 NM-
1018 AM AST Tue May 21 2019

REST OF TODAY
East winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 7 seconds. Isolated showers.

TONIGHT
East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 7 seconds.

WEDNESDAY
Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 7 seconds. Isolated showers.

WEDNESDAY NIGHT
East winds 5 to 10 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. Scattered showers.

FRIDAY
East winds 5 to 10 knots. Seas 2 feet or less. Dominant
period 7 seconds. Isolated showers.

SATURDAY
East winds 5 to 10 knots. Seas 2 feet or less.
Dominant period 8 seconds. Isolated showers.



AMZ741-220245-
Mona Passage Southward to 17N-
1018 AM AST Tue May 21 2019

REST OF TODAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
showers through the day.

TONIGHT
Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
showers through the night.

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

WEDNESDAY NIGHT
East winds 5 to 10 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 8 seconds. Isolated showers.

FRIDAY
Southeast winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 8 seconds. Isolated showers.

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



AMZ742-220245-
Coastal Waters OF Northwestern Puerto Rico out 10 NM-
1018 AM AST Tue May 21 2019

REST OF TODAY
Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 10 seconds.

TONIGHT
East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 10 seconds. Scattered showers through the night.

WEDNESDAY
Northeast winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 10 seconds. Scattered showers.

WEDNESDAY NIGHT
East winds 5 to 10 knots. Seas 2 feet or less.
Dominant period 8 seconds. Isolated showers.

THURSDAY
East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Isolated thunderstorms, then scattered showers.

FRIDAY
Southeast winds 5 to 10 knots. Seas 2 feet or less.
Dominant period 8 seconds. Isolated thunderstorms, then isolated
showers.

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



AMZ745-220245-
Coastal Waters OF Southwestern Puerto Rico out 10 NM-
1018 AM AST Tue May 21 2019

REST OF TODAY
East winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 7 seconds.

TONIGHT
East winds 10 to 15 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. Scattered showers.

WEDNESDAY NIGHT
East winds 5 to 10 knots. Seas 2 feet or less.
Dominant period 7 seconds. Isolated showers.

THURSDAY
East winds 10 to 15 knots. Seas 2 feet or less.
Dominant period 8 seconds. Scattered showers.

FRIDAY
Southeast winds 5 to 10 knots. Seas 2 feet or less.
Dominant period 8 seconds. Isolated showers.

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