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FZCA52 TJSJ 220831

CWFSJU



Coastal Waters Forecast

National Weather Service San Juan PR

431 AM AST Sat Aug 22 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.



AMZ700-222100-

431 AM AST Sat Aug 22 2020



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

Tropical Storm conditions are expected across the local waters through

Saturday as Tropical Storm Laura moves into the local Caribbean

waters toward the west northwest. Hazardous seas and life- 

threatening conditions are expected today and tonight but subsiding

rapidly Sunday. Marine conditions are expected to improve Sunday 

night into early the next work week, however winds will remain

moderate to fresh and seas will be choppy.



$$



AMZ710-222100-

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

431 AM AST Sat Aug 22 2020



...TROPICAL STORM WARNING IN EFFECT...



.TODAY... Tropical storm conditions expected. East winds 30 to 35

knots with gusts to around 50 knots. Seas 13 to 15 feet with

occasional seas up to 19 feet. Dominant period 10 seconds. North

swell 5 to 10 feet. Showers and isolated thunderstorms.

.TONIGHT... Tropical storm conditions expected. Southeast winds 30

to 35 knots with gusts to around 50 knots. Seas 13 to 15 feet with

occasional seas up to 19 feet. Dominant period 10 seconds.

Northeast swell 4 to 9 feet. Showers and isolated thunderstorms.

.SUNDAY...East winds 15 to 20 knots. Seas 8 to 10 feet with

occasional seas up to 13 feet. Dominant period 10 seconds.

Southeast swell around 4 feet in the afternoon. Isolated showers.

.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet with

occasional seas up to 10 feet. Dominant period 8 seconds. East

swell around 4 feet in the evening. Scattered showers.

.MONDAY...East winds 10 to 15 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 and isolated thunderstorms.

.TUESDAY...East winds 10 to 15 knots with gusts to around 25

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

Dominant period 7 seconds. Scattered showers.

.TUESDAY NIGHT...East winds 10 to 15 knots. Gusts up to 25 knots

in the evening. 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 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 12 seconds.

Northeast swell around 4 feet. Isolated showers.



$$



AMZ712-222100-

Coastal Waters of Northern Puerto Rico out 10 NM-

431 AM AST Sat Aug 22 2020



...TROPICAL STORM WARNING IN EFFECT...



.TODAY... Tropical storm conditions expected. East winds 35 to 40

knots with gusts to around 55 knots. Seas 10 to 12 feet with

occasional seas up to 15 feet. Dominant period 10 seconds.

Northeast swell 4 to 6 feet. Showers and isolated thunderstorms.

.TONIGHT... Tropical storm conditions expected. Southeast winds 30

to 35 knots with gusts to around 50 knots easing to 15 to 20 knots

after midnight. Seas 10 to 12 feet with occasional seas up to 15

feet. Dominant period 10 seconds. Northeast swell 4 to 6 feet.

Showers and isolated thunderstorms.

.SUNDAY...East winds 15 to 20 knots. Seas 8 to 10 feet with

occasional seas up to 11 feet. Dominant period 10 seconds.

Isolated showers.

.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 8 seconds. Scattered

showers.

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

occasional seas up to 6 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. Scattered

showers and isolated thunderstorms.

.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.

.TUESDAY NIGHT...Southeast 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. Gusts up to 25 knots in

the afternoon. Seas 2 to 4 feet with occasional seas up to 5 feet.

Dominant period 12 seconds. Northeast swell around 4 feet in the

afternoon. Isolated showers.



$$



AMZ715-222100-

Coastal Waters of Northern USVI and Culebra out 10 NM-

431 AM AST Sat Aug 22 2020



...TROPICAL STORM WARNING IN EFFECT...



.TODAY... Tropical storm conditions expected. Southeast winds 30

to 35 knots with gusts to around 55 knots. Seas 10 to 12 feet with

occasional seas up to 14 feet. Dominant period 10 seconds.

Northeast swell 4 to 6 feet. Showers and isolated thunderstorms.

.TONIGHT... Tropical storm conditions possible. Southeast winds

around 30 knots with gusts to around 45 knots becoming east 15 to

20 knots after midnight. Seas 8 to 10 feet with occasional seas up

to 11 feet. Dominant period 10 seconds. Northeast swell 4 to 5

feet. Showers and isolated thunderstorms.

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

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

showers.

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

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

showers.

.MONDAY...East winds 10 to 15 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 with gusts to around 25

knots. Seas 2 to 4 feet with occasional seas up to 5 feet.

Dominant period 7 seconds. Scattered showers and isolated

thunderstorms.

.TUESDAY...Southeast winds 10 to 15 knots. Gusts up to 25 knots in

the morning. Seas 2 to 4 feet with occasional seas up to 5 feet.

Dominant period 7 seconds. Scattered showers.

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

occasional seas up to 5 feet. Dominant period 11 seconds. Isolated

showers.

.WEDNESDAY...East winds 10 to 15 knots. Gusts up to 25 knots in

the morning. Seas 2 to 4 feet with occasional seas up to 5 feet.

Dominant period 12 seconds. Isolated showers.



$$



AMZ722-222100-

Anegada Passage Southward to 17N-

431 AM AST Sat Aug 22 2020



...TROPICAL STORM WARNING IN EFFECT...



.TODAY... Tropical storm conditions expected. Southeast winds 30

to 35 knots with gusts to around 50 knots easing to 20 to 25 knots

with gusts to around 35 knots in the afternoon. Seas 10 to 12 feet

with occasional seas up to 15 feet. Dominant period 10 seconds.

Northeast swell 4 to 6 feet. Showers and isolated thunderstorms.

.TONIGHT...East winds 15 to 20 knots. Seas 8 to 10 feet with

occasional seas up to 11 feet. Dominant period 8 seconds. East

swell 4 to 5 feet in the evening. Showers and isolated

thunderstorms.

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

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

showers.

.SUNDAY 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.

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

occasional seas up to 6 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.

.TUESDAY...Southeast winds 10 to 15 knots. Gusts up to 25 knots in

the morning. Seas 3 to 5 feet with occasional seas up to 6 feet.

Dominant period 7 seconds. Scattered showers.

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

occasional seas up to 6 feet. Dominant period 12 seconds. Isolated

showers.

.WEDNESDAY...East winds 10 to 15 knots. Gusts up to 25 knots in

the morning. Seas 3 to 5 feet with occasional seas up to 6 feet.

Dominant period 12 seconds. Northeast swell around 4 feet.

Isolated showers.



$$



AMZ725-222100-

Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out

10 NM-

431 AM AST Sat Aug 22 2020



...TROPICAL STORM WARNING IN EFFECT...



.TODAY... Tropical storm conditions expected. Southeast winds 30

to 40 knots with gusts to around 55 knots. Seas 12 to 14 feet with

occasional seas up to 17 feet. Dominant period 10 seconds.

Northeast swell 4 to 6 feet. Showers and isolated thunderstorms.

.TONIGHT... Tropical storm conditions possible. Southeast winds

around 30 knots with gusts to around 40 knots becoming east 15 to

20 knots after midnight. Seas 8 to 10 feet with occasional seas up

to 13 feet. Dominant period 8 seconds. East swell 4 to 5 feet.

Showers and isolated thunderstorms.

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

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

showers.

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

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

showers.

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

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

showers.

.MONDAY NIGHT...East winds 10 to 15 knots with gusts to around 25

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

Dominant period 7 seconds. Scattered showers and isolated

thunderstorms.

.TUESDAY...Southeast winds 10 to 15 knots. Gusts up to 25 knots in

the morning. Seas 3 to 5 feet with occasional seas up to 6 feet.

Dominant period 7 seconds. Scattered showers.

.TUESDAY 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.

.WEDNESDAY...East winds 10 to 15 knots. Gusts up to 25 knots in

the morning. Seas 2 to 4 feet with occasional seas up to 5 feet.

Dominant period 11 seconds. Isolated showers.



$$



AMZ732-222100-

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

431 AM AST Sat Aug 22 2020



...TROPICAL STORM WARNING IN EFFECT...



.TODAY... Tropical storm conditions expected. Southeast winds 30

to 40 knots with gusts to around 55 knots. Seas 10 to 12 feet with

occasional seas up to 14 feet. Dominant period 10 seconds. East

swell up to 5 feet. Showers and isolated thunderstorms.

.TONIGHT... Tropical storm conditions possible. East winds 20 to

25 knots with gusts to around 40 knots. Seas 8 to 10 feet with

occasional seas up to 11 feet. Dominant period 8 seconds. East

swell up to 5 feet. Showers and isolated thunderstorms.

.SUNDAY...East winds 15 to 20 knots. Seas 6 to 8 feet with

occasional seas up to 10 feet. Dominant period 8 seconds.

Northeast swell up to 4 feet shifting to the south in the

afternoon. Isolated showers.

.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 7 seconds. South

swell up to 4 feet in the evening. Isolated showers.

.MONDAY...East winds 10 to 15 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 2 to 4 feet with

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

showers and isolated thunderstorms.

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

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

showers.

.TUESDAY NIGHT...East winds 10 to 15 knots. Gusts up to 25 knots

after midnight. Seas 2 to 4 feet with occasional seas up to 5

feet. Dominant period 7 seconds. Isolated showers.

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

occasional seas up to 5 feet. Dominant period 10 seconds. Isolated

showers.



$$



AMZ735-222100-

Coastal Waters of Southern Puerto Rico out 10 NM-

431 AM AST Sat Aug 22 2020



...TROPICAL STORM WARNING IN EFFECT...



.TODAY... Tropical storm conditions expected. Northeast winds 35

to 40 knots veering south in the afternoon. Gusts up to 55 knots.

Seas 8 to 10 feet with occasional seas up to 11 feet. Dominant

period 7 seconds. East swell 4 to 5 feet in the afternoon. Showers

and isolated thunderstorms.

.TONIGHT... Tropical storm conditions expected. Southeast winds 30

to 35 knots with gusts to around 50 knots becoming east 20 to 25

knots with gusts to around 40 knots after midnight. Seas 8 to 10

feet with occasional seas up to 11 feet. Dominant period 8

seconds. Northeast swell 4 to 5 feet. Showers and isolated

thunderstorms.

.SUNDAY...East winds 15 to 20 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 8 seconds. East

swell around 4 Feet. Scattered showers.

.SUNDAY 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 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. Scattered

showers through the day. 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 7 seconds. Scattered

showers and isolated thunderstorms.

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

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

showers.

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



$$



AMZ741-222100-

Mona Passage Southward to 17N-

431 AM AST Sat Aug 22 2020



...TROPICAL STORM WARNING IN EFFECT...



.TODAY... Tropical storm conditions expected. Northeast winds 15

to 20 knots becoming south 35 to 40 knots with gusts to around 55

knots in the afternoon. Seas 6 to 8 feet with occasional seas up

to 10 feet. Dominant period 7 seconds. Northeast swell up to 4

Feet. Showers and isolated thunderstorms.

.TONIGHT... Tropical storm conditions expected. Southeast winds 30

to 35 knots. Gusts up to 55 knots subsiding to 40 knots after

midnight. Seas 6 to 8 feet with occasional seas up to 10 feet.

Dominant period 10 seconds. Northeast swell up to 4 feet. Showers

and isolated thunderstorms.

.SUNDAY...East winds 20 to 25 knots. Seas 6 to 8 feet with

occasional seas up to 10 feet. Dominant period 10 seconds.

Northeast swell up to 4 feet shifting to the east in the

afternoon. Isolated thunderstorms in the morning. Scattered

showers through the day.

.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet with

occasional seas up to 10 feet. Dominant period 8 seconds. South

swell up to 4 feet. 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. Gusts up to 25 knots in

the evening. Seas 3 to 5 feet with occasional seas up to 6 feet.

Dominant period 7 seconds. Scattered showers.

.TUESDAY...Southeast winds 10 to 15 knots. Gusts up to 25 knots in

the morning. Seas 2 to 4 feet with occasional seas up to 5 feet.

Dominant period 7 seconds. Isolated showers.

.TUESDAY 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.

.WEDNESDAY...East winds 10 to 15 knots. Gusts up to 25 knots in

the morning. Seas 2 to 4 feet with occasional seas up to 5 feet.

Dominant period 12 seconds. Isolated showers.



$$



AMZ742-222100-

Coastal Waters of Northwestern Puerto Rico out 10 NM-

431 AM AST Sat Aug 22 2020



...TROPICAL STORM WARNING IN EFFECT...



.TODAY... Tropical storm conditions expected. Northeast winds 15

to 20 knots becoming east 30 to 40 knots with gusts to around 55

knots in the afternoon. Seas 6 to 8 feet with occasional seas up

to 10 feet. Dominant period 7 seconds. Northeast swell around 4

Feet. Showers and isolated thunderstorms.

.TONIGHT... Tropical storm conditions expected. Southeast winds 30

to 35 knots with gusts to around 50 knots easing to 20 to 25 knots

with gusts to around 35 knots after midnight. Seas 6 to 8 feet

with occasional seas up to 10 feet. Dominant period 10 seconds.

Northeast swell around 4 feet. Showers and isolated thunderstorms.

.SUNDAY...East winds 10 to 15 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 10 seconds.

Southeast swell around 4 Feet. Scattered showers through the day.

Isolated thunderstorms in the afternoon.

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

occasional seas up to 6 feet. Dominant period 10 seconds. Isolated

showers through the night.

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

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

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 1 to 3 feet.

Dominant period 7 seconds. Scattered showers through the day.

Isolated thunderstorms in the afternoon.

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

Dominant period 7 seconds. Isolated showers.

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

Dominant period 12 seconds. Scattered showers through the day.

Isolated thunderstorms in the afternoon.



$$



AMZ745-222100-

Coastal Waters of Southwestern Puerto Rico out 10 NM-

431 AM AST Sat Aug 22 2020



...TROPICAL STORM WARNING IN EFFECT...



.TODAY... Tropical storm conditions expected. Northeast winds 30

to 35 knots veering southeast 30 to 40 knots in the afternoon.

Gusts up to 50 knots increasing to 55 knots in the afternoon. Seas

3 to 5 feet with occasional seas up to 6 feet. Dominant period 7

seconds. Showers and isolated thunderstorms.

.TONIGHT... Tropical storm conditions expected. Southeast winds 30

to 35 knots. Gusts up to 50 knots subsiding to 40 knots after

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

Dominant period 7 seconds. Showers and isolated thunderstorms.

.SUNDAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet with

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

showers.

.SUNDAY 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.

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

period 7 seconds. Scattered showers through the day. Isolated

thunderstorms in the afternoon.

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

Dominant period 7 seconds. Isolated showers.

.TUESDAY...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.

Dominant period 7 seconds. Scattered showers through the day.

Isolated thunderstorms in the afternoon.

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



$$

