

871 

FZCA52 TJSJ 202126

CWFSJU



Coastal Waters Forecast

National Weather Service San Juan PR

526 PM AST Thu Aug 20 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.



AMZ700-211015-

526 PM AST Thu Aug 20 2020



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

Relatively tranquil marine conditions continue tonight. However,

increasing shower activity is expected this evening as a tropical 

wave makes its way through the area overnight. Tropical Depression 

Thirteen is expected to intensify into a Tropical Storm late tonight 

or early tomorrow morning, and Tropical Storm conditions are likely 

across the local waters by Friday evening through Saturday. Hazardous

seas will spread across much of the local waters, as well. Widespread

showers are expected for the weekend as the tropical cyclone passes 

by to the north of the local islands.



$$



AMZ710-211015-

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

526 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH

SATURDAY EVENING...



.TONIGHT...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 8 seconds. Scattered showers and isolated

thunderstorms.

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

Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant

period 8 seconds. Isolated thunderstorms in the morning. Scattered

showers through the day.

.FRIDAY NIGHT... Tropical storm conditions possible. Northeast

winds 20 to 25 knots with gusts to around 35 knots. Seas 8 to 10

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

seconds. North swell 4 to 5 feet. Numerous showers and isolated

thunderstorms.

.SATURDAY... Tropical storm conditions possible. East winds 30 to

35 knots veering southeast 25 to 30 knots in the afternoon. Gusts

up to 50 knots. Seas 12 to 14 feet with occasional seas up to 18

feet. Dominant period 11 seconds. Northeast swell 6 to 11 feet.

Numerous showers and isolated thunderstorms.

.SATURDAY NIGHT... Tropical storm conditions possible. Southeast

winds around 30 knots with gusts to around 40 knots. Seas 12 to 14

feet with occasional seas up to 18 feet. Dominant period 11

seconds. Northeast swell 6 to 11 feet. Numerous showers and

isolated thunderstorms.

.SUNDAY...East winds 15 to 20 knots with gusts to around 35 knots.

Seas 12 to 14 feet with occasional seas up to 17 feet. Dominant

period 11 seconds. East swell 5 to 10 feet. Scattered showers and

isolated thunderstorms.

.SUNDAY NIGHT...East winds 15 to 20 knots with gusts to around 30

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

Dominant period 10 seconds. Southeast swell around 4 feet in the

evening becoming light. Isolated showers.

.MONDAY...East winds 15 to 20 knots with gusts to around 30 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 with gusts to around 25

knots. Seas 4 to 6 feet with occasional seas up to 8 feet.

Dominant period 7 seconds. Scattered showers and isolated

thunderstorms.

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

knots. Seas 4 to 6 feet with occasional seas up to 8 feet.

Dominant period 7 seconds. Isolated showers.



$$



AMZ712-211015-

Coastal Waters of Northern Puerto Rico out 10 NM-

526 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH

SATURDAY EVENING...



.TONIGHT...East winds 10 to 15 knots. Gusts up to 25 knots in the

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

Dominant period 8 seconds. Numerous showers and isolated

thunderstorms.

.FRIDAY...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 8 seconds. Scattered showers and isolated thunderstorms.

.FRIDAY NIGHT...Northeast 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. Numerous showers and isolated

thunderstorms.

.SATURDAY...Northeast winds 10 to 15 knots veering south with

gusts to around 25 knots in the afternoon. Seas 4 to 6 feet with

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

showers and isolated thunderstorms.

.SATURDAY NIGHT...Southeast winds 15 to 20 knots with gusts to

around 30 knots. Seas 8 to 10 feet with occasional seas up to 13

feet. Dominant period 11 seconds. Northeast swell 4 to 8 feet.

Numerous showers and isolated thunderstorms.

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

Seas 8 to 10 feet with occasional seas up to 13 feet. Dominant

period 11 seconds. Northeast swell 4 to 9 feet. Scattered showers

and isolated thunderstorms.

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

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

Dominant period 10 seconds. Northeast swell around 4 feet in the

evening becoming light. Isolated showers.

.MONDAY...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.

.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 through the day. Isolated thunderstorms in the afternoon.



$$



AMZ715-211015-

Coastal Waters of Northern USVI and Culebra out 10 NM-

526 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH

SATURDAY EVENING...



.TONIGHT...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.

.FRIDAY...Northeast 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 8 seconds. Scattered showers and isolated

thunderstorms.

.FRIDAY NIGHT... Tropical storm conditions possible. Northeast

winds 20 to 25 knots with gusts to around 35 knots. Seas 4 to 6

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

seconds. Numerous showers and isolated thunderstorms.

.SATURDAY... Tropical storm conditions possible. Southeast winds

20 to 25 knots with gusts to around 40 knots. Seas 6 to 8 feet

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

Northeast swell 4 to 8 feet. Numerous showers and isolated

thunderstorms.

.SATURDAY NIGHT... Tropical storm conditions possible. Southeast

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 10

seconds. Northeast swell 4 to 8 feet. Numerous showers and

isolated thunderstorms.

.SUNDAY...East winds 15 to 20 knots. Gusts up to 35 knots. Seas 6

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

seconds. Northeast swell around 4 Feet. 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. Isolated

showers.

.MONDAY...Northeast 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.

.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 with gusts to around 25

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

Dominant period 7 seconds. Scattered showers.



$$



AMZ722-211015-

Anegada Passage Southward to 17N-

526 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH

SATURDAY EVENING...



.TONIGHT...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.

.FRIDAY...Northeast 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 8 seconds. Scattered showers through the day.

Isolated thunderstorms in the afternoon.

.FRIDAY NIGHT... Tropical storm conditions possible. Northeast

winds 20 to 25 knots with gusts to around 35 knots. Seas 8 to 10

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

seconds. East swell 4 to 5 feet. Numerous showers and isolated

thunderstorms.

.SATURDAY... Tropical storm conditions possible. South winds 20 to

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

occasional seas up to 15 feet. Dominant period 11 seconds.

Northeast swell 5 to 10 feet. Numerous showers and isolated

thunderstorms.

.SATURDAY NIGHT... Tropical storm conditions possible. East winds

20 to 25 knots. Gusts up to 40 knots subsiding to 30 knots after

midnight. Seas 10 to 12 feet with occasional seas up to 14 feet.

Dominant period 8 seconds. Northeast swell 4 to 5 feet. Numerous

showers and isolated thunderstorms.

.SUNDAY...East winds 15 to 20 knots with gusts to around 30 knots.

Seas 5 to 7 feet with occasional seas up to 9 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. Isolated

showers.

.MONDAY...Northeast 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.

.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.

.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. Isolated showers.



$$



AMZ725-211015-

Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out

10 NM-

526 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH

SATURDAY EVENING...



.TONIGHT...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. Numerous showers and isolated

thunderstorms.

.FRIDAY...Northeast 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 8 seconds. Scattered showers and isolated

thunderstorms.

.FRIDAY NIGHT...Northeast winds 15 to 20 knots with gusts to

around 35 knots. Seas 4 to 6 feet with occasional seas up to 8

feet. Dominant period 8 seconds. Numerous showers and isolated

thunderstorms.

.SATURDAY... Tropical storm conditions possible. Southwest winds

20 to 25 knots backing south in the afternoon. Gusts up to 35

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

Dominant period 11 seconds. East swell 4 to 8 feet. Numerous

showers and isolated thunderstorms.

.SATURDAY NIGHT... Tropical storm conditions possible. Southeast

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 10

seconds. Northeast swell 4 to 8 feet. Numerous showers and

isolated thunderstorms.

.SUNDAY...East winds 15 to 20 knots. Gusts up to 35 knots. Seas 6

to 8 feet with occasional seas up to 10 feet. Dominant period 7

seconds. Northeast swell around 4 Feet. Isolated thunderstorms in

the morning. Scattered showers through the day.

.SUNDAY 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.

.MONDAY...Northeast 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.

.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 15 to 20 knots. Seas 2 to 4 feet with

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

showers.



$$



AMZ732-211015-

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

526 PM AST Thu Aug 20 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...

...TROPICAL STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH 

SATURDAY EVENING...



.TONIGHT...East winds 15 to 20 knots with gusts to around 30

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

Dominant period 7 seconds. Numerous showers and isolated

thunderstorms.

.FRIDAY...Northeast 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 8 seconds. Scattered showers through the day.

Isolated thunderstorms in the afternoon.

.FRIDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet

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

Numerous showers and isolated thunderstorms.

.SATURDAY... Tropical storm conditions possible. South winds 20 to

25 knots with gusts to around 35 knots. Seas 6 to 8 feet with

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

swell 4 to 6 feet in the afternoon. Numerous showers and isolated

thunderstorms.

.SATURDAY NIGHT... Tropical storm conditions possible. Southeast

winds 20 to 25 knots with gusts to around 35 knots. Seas 6 to 8

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

seconds. Northeast swell 4 to 6 feet. Numerous showers and

isolated thunderstorms.

.SUNDAY...East winds 15 to 20 knots with gusts to around 35 knots.

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

period 10 seconds. North swell up to 4 feet. Scattered showers and

isolated thunderstorms.

.SUNDAY NIGHT...East winds 15 to 20 knots with gusts to around 30

knots. Seas 5 to 7 feet with occasional seas up to 9 feet.

Dominant period 7 seconds. Southeast swell up to 4 feet in the

evening becoming light. Isolated showers.

.MONDAY...East winds 15 to 20 knots with gusts to around 30 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 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.



$$



AMZ735-211015-

Coastal Waters of Southern Puerto Rico out 10 NM-

526 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH

SATURDAY EVENING...



.TONIGHT...Northeast winds 10 to 15 knots. Gusts up to 25 knots in

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

Dominant period 7 seconds. Scattered showers and isolated

thunderstorms.

.FRIDAY...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 7 seconds. Isolated showers in the morning, then

isolated thunderstorms in the afternoon.

.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Gusts up to 25

knots in the evening. Seas 2 to 4 feet with occasional seas up to

5 feet. Dominant period 7 seconds. Scattered showers and isolated

thunderstorms.

.SATURDAY...Northwest winds 10 to 15 knots backing south with

gusts to around 25 knots in the afternoon. Seas 1 to 3 feet.

Dominant period 7 seconds. Numerous showers and isolated

thunderstorms.

.SATURDAY NIGHT... Tropical storm conditions possible. Southeast

winds 20 to 25 knots with gusts to around 35 knots. Seas 5 to 7

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

seconds. Northeast swell around 4 feet after midnight. Numerous

showers and isolated thunderstorms.

.SUNDAY...East winds 20 to 25 knots with gusts to around 35 knots.

Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant

period 8 seconds. Northeast swell around 4 Feet. Scattered showers

and isolated thunderstorms.

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

knots. Seas 4 to 6 feet with occasional seas up to 8 feet.

Dominant period 7 seconds. Isolated showers.

.MONDAY...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 7 seconds. Isolated showers.

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

period 7 seconds. Isolated showers.



$$



AMZ741-211015-

Mona Passage Southward to 17N-

526 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH

SATURDAY EVENING...



.TONIGHT...Northeast 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 through the night.

Isolated thunderstorms after midnight.

.FRIDAY...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 through the day. Isolated

thunderstorms in the afternoon.

.FRIDAY NIGHT...Northeast winds 15 to 20 knots with gusts to

around 30 knots. Seas 2 to 4 feet with occasional seas up to 5

feet. Dominant period 7 seconds. Isolated thunderstorms in the

evening. Scattered showers through the night.

.SATURDAY...Northeast winds 10 to 15 knots with gusts to around 25

knots backing southwest in the afternoon. Seas 2 to 4 feet with

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

showers through the day. Isolated thunderstorms in the afternoon.

.SATURDAY NIGHT... Tropical storm conditions possible. Southeast

winds 20 to 25 knots. Gusts up to 30 knots increasing to 40 knots

after midnight. Seas 4 to 6 feet with occasional seas up to 8

feet. Dominant period 10 seconds. Scattered showers and isolated

thunderstorms.

.SUNDAY...Southeast winds 20 to 25 knots with gusts to around 35

knots. Seas 5 to 7 feet with occasional seas up to 9 feet.

Dominant period 11 seconds. Northeast swell up to 4 feet in the

afternoon. Numerous showers and isolated thunderstorms.

.SUNDAY NIGHT...East winds 15 to 20 knots with gusts to around 30

knots. Seas 5 to 7 feet with occasional seas up to 9 feet.

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

to the southeast after midnight. Scattered showers.

.MONDAY...East winds 15 to 20 knots with gusts to around 30 knots.

Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant

period 7 seconds. Southeast swell up to 4 Feet. Isolated showers.

.MONDAY NIGHT...Northeast 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...East 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.



$$



AMZ742-211015-

Coastal Waters of Northwestern Puerto Rico out 10 NM-

526 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH

SATURDAY EVENING...



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

knots. Seas 1 to 3 feet. Dominant period 7 seconds. Isolated

thunderstorms in the evening. Scattered showers through the night.

.FRIDAY...Northeast winds 10 to 15 knots. Gusts up to 25 knots in

the afternoon. Seas 1 to 3 feet. Dominant period 8 seconds.

Numerous showers and isolated thunderstorms.

.FRIDAY NIGHT...Northeast winds 15 to 20 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.

.SATURDAY...Northeast winds 10 to 15 knots with gusts to around 25

knots backing west in the afternoon. Seas 2 to 4 feet with

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

showers and isolated thunderstorms.

.SATURDAY NIGHT... Tropical storm conditions possible. Southeast

winds 20 to 25 knots with gusts to around 35 knots. Seas 4 to 6

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

Numerous showers and isolated thunderstorms.

.SUNDAY...Southeast winds 15 to 20 knots. Gusts up to 35 knots in

the morning. Seas 4 to 6 feet with occasional seas up to 8 feet.

Dominant period 10 seconds. Numerous showers and isolated

thunderstorms.

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

after midnight. Seas 4 to 6 feet with occasional seas up to 8

feet. Dominant period 10 seconds. Isolated showers.

.MONDAY...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 7 seconds. Isolated showers.

.MONDAY NIGHT...East winds 10 to 15 knots. Gusts up to 25 knots in

the evening. 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.



$$



AMZ745-211015-

Coastal Waters of Southwestern Puerto Rico out 10 NM-

526 PM AST Thu Aug 20 2020



...TROPICAL STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH

SATURDAY EVENING...



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

Dominant period 7 seconds. Scattered showers.

.FRIDAY...East winds 5 to 10 knots veering south in the afternoon.

Seas 2 feet or less. Dominant period 7 seconds. Scattered showers

through the day. Isolated thunderstorms in the afternoon.

.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 feet or

less. Dominant period 7 seconds. Isolated showers.

.SATURDAY...North winds 5 to 10 knots backing southwest in the

afternoon. Seas 2 feet or less. Dominant period 7 seconds.

Numerous showers through the day. Isolated thunderstorms in the

afternoon.

.SATURDAY NIGHT... Tropical storm conditions possible. Southeast

winds 20 to 25 knots with gusts to around 35 knots. Seas 1 to 3

feet. Dominant period 7 seconds. Numerous showers and isolated

thunderstorms.

.SUNDAY...Southeast winds 20 to 25 knots with gusts to around 35

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 10 to 15 knots. Gusts up to 25 knots in

the evening. 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...Northeast winds 5 to 10 knots. Seas 1 to 3 feet.

Dominant period 7 seconds. Isolated showers.

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

Dominant period 7 seconds. Scattered showers through the day.

Isolated thunderstorms in the afternoon.



$$

