

009 

FZCA52 TJSJ 310156

CWFSJU



Coastal Waters Forecast

National Weather Service San Juan PR

956 PM AST Sun Aug 30 2020



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.



AMZ700-311415-

956 PM AST Sun Aug 30 2020



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

Seas are expected to remain around 6 feet or less for the next 

couple of days. A surface high pressure will build across the central

Atlantic through next week, generating moderate to locally fresh 

trade winds. A tropical wave passed through the local Caribbean 

waters during the evening. A second tropical wave will move across 

the region later Monday into Tuesday, increasing seas and 

thunderstorm activity across the regional waters.



$$



AMZ710-311415-

Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-

956 PM AST Sun Aug 30 2020



...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.

.MONDAY...East winds 15 to 20 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 8 seconds. Isolated

showers.

.MONDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 8 seconds. Scattered

showers through the night. Isolated thunderstorms after midnight.

.TUESDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 8 seconds. Numerous

showers and isolated thunderstorms.

.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 8 seconds. Numerous

showers and isolated thunderstorms.

.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.

.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 8 seconds. Scattered

showers.

.FRIDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 8 seconds. Isolated

thunderstorms. Scattered showers.



$$



AMZ712-311415-

Coastal Waters of Northern Puerto Rico out 10 NM-

956 PM AST Sun Aug 30 2020



.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.

.MONDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 7 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 8 seconds. Scattered

showers through the night. Isolated thunderstorms after midnight.

.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 8 seconds. Numerous

showers and isolated thunderstorms.

.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 8 seconds. Numerous

showers and isolated thunderstorms.

.WEDNESDAY...East winds 15 to 20 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 8 seconds. Isolated

thunderstorms, then scattered showers.

.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 8 seconds. Isolated

thunderstorms. Scattered showers.

.FRIDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 8 seconds. Isolated

thunderstorms. Scattered showers.



$$



AMZ715-311415-

Coastal Waters of Northern USVI and Culebra out 10 NM-

956 PM AST Sun Aug 30 2020



.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.

Scattered showers through the night.

.MONDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 8 seconds. Scattered

showers.

.MONDAY NIGHT...East 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.

.TUESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 8 seconds. Isolated

thunderstorms in the morning. Numerous showers through the day.

.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 8 seconds. Scattered

showers.

.WEDNESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 8 seconds. Isolated

thunderstorms. Scattered showers.

.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 7 seconds. Isolated

thunderstorms. Scattered 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.



$$



AMZ722-311415-

Anegada Passage Southward to 17N-

956 PM AST Sun Aug 30 2020



...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.

.MONDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 8 seconds. Scattered

showers.

.MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 8 seconds. Scattered

showers through the night. Isolated thunderstorms after midnight.

.TUESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 8 seconds. Isolated

thunderstorms in the morning. Numerous showers through the day.

.TUESDAY NIGHT...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 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 8 seconds. Isolated

showers.

.THURSDAY...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.

.FRIDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 7 seconds. Isolated

showers.



$$



AMZ725-311415-

Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out

10 NM-

956 PM AST Sun Aug 30 2020



...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.

Scattered showers through the night.

.MONDAY...East winds 15 to 20 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 8 seconds. Scattered

showers.

.MONDAY NIGHT...East winds 5 to 10 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.

.TUESDAY...Southeast winds 10 to 15 knots backing east in the

afternoon. Seas 3 to 5 feet with occasional seas up to 6 feet.

Dominant period 8 seconds. Numerous showers and isolated

thunderstorms.

.TUESDAY NIGHT...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...East winds 10 to 15 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 8 seconds. Isolated

thunderstorms. Scattered showers.

.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 7 seconds. Isolated

thunderstorms. Scattered 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.



$$



AMZ732-311415-

Caribbean Waters of Puerto Rico from 10 NM to 17N-

956 PM AST Sun Aug 30 2020



...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.

Scattered showers through the night.

.MONDAY...East 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...East 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.

.TUESDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 8 seconds. Isolated

thunderstorms in the morning. Numerous showers through the day.

.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 8 seconds. Scattered

showers and isolated thunderstorms.

.WEDNESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 8 seconds. Isolated

thunderstorms, then scattered showers.

.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 7 seconds. Scattered

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. Scattered showers.



$$



AMZ735-311415-

Coastal Waters of Southern Puerto Rico out 10 NM-

956 PM AST Sun Aug 30 2020



.REST OF TONIGHT...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 night.

.MONDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 7 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 7 seconds. Scattered

showers through the night. Isolated thunderstorms after midnight.

.TUESDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 7 seconds. Isolated

thunderstorms in the morning. Numerous showers through the day.

.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 3 feet.

Dominant period 7 seconds. Scattered showers and isolated

thunderstorms.

.WEDNESDAY...East winds 15 to 20 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 7 seconds. Isolated

showers.

.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 7 seconds. Isolated

showers.

.FRIDAY...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.

Dominant period 7 seconds. Isolated thunderstorms, then isolated

showers.



$$



AMZ741-311415-

Mona Passage Southward to 17N-

956 PM AST Sun Aug 30 2020



...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 through the night.

.MONDAY...East winds 15 to 20 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 7 seconds. Isolated

showers.

.MONDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 7 seconds. Scattered

showers.

.TUESDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 7 seconds. Isolated

showers in the morning, then isolated thunderstorms in the

afternoon.

.TUESDAY NIGHT...East 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.

.WEDNESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 8 seconds. Isolated

thunderstorms, then isolated showers.

.THURSDAY...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 scattered showers.

.FRIDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 7 seconds. Isolated

thunderstorms. Scattered showers.



$$



AMZ742-311415-

Coastal Waters of Northwestern Puerto Rico out 10 NM-

956 PM AST Sun Aug 30 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...



.REST OF 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...East winds 15 to 20 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 7 seconds. Scattered

showers.

.MONDAY 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.

.TUESDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 7 seconds. Numerous

showers through the day. Isolated thunderstorms in the afternoon.

.TUESDAY NIGHT...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.

.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 8 seconds. Isolated

thunderstorms, then isolated showers.

.THURSDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 7 seconds. Isolated

thunderstorms, then isolated showers.

.FRIDAY...Northeast winds 5 to 10 knots. Seas 1 to 3 feet.

Dominant period 7 seconds. Scattered thunderstorms. Numerous

showers.



$$



AMZ745-311415-

Coastal Waters of Southwestern Puerto Rico out 10 NM-

956 PM AST Sun Aug 30 2020



.REST OF TONIGHT...Northeast winds 5 to 10 knots. Seas 1 to 3

feet. Dominant period 7 seconds.

.MONDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant

period 7 seconds. Scattered showers.

.MONDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 3 feet.

Dominant period 7 seconds. Scattered showers.

.TUESDAY...Southeast winds 5 to 10 knots. Seas 1 to 3 feet.

Dominant period 7 seconds. Scattered showers through the day.

Isolated thunderstorms in the afternoon.

.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 feet or less.

Dominant period 8 seconds. Numerous showers and isolated

thunderstorms.

.WEDNESDAY...East winds 15 to 20 knots. Seas 1 to 3 feet. Dominant

period 8 seconds. Isolated thunderstorms, then isolated showers.

.THURSDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant

period 7 seconds. Isolated showers.

.FRIDAY...Northeast winds 5 to 10 knots. Seas 2 feet or less.

Dominant period 7 seconds. Isolated thunderstorms, then isolated

showers.



$$

