

574 

FZCA52 TJSJ 101937

CWFSJU



Coastal Waters Forecast

National Weather Service San Juan PR

337 PM AST Thu Sep 10 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.



AMZ700-110815-

337 PM AST Thu Sep 10 2020



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

A surface high pressure ridge will continue north of the area for 

the next several days. Based on the latest guidance from the National

Hurricane Center, Tropical Storm Paulette over the central tropical 

Atlantic is forecast to move west northwest into the west Atlantic 

over the weekend into early next week. Seas will gradually build 

later tonight and become hazardous on Friday through the weekend due

to a northeasterly swell.



$$



AMZ710-110815-

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

337 PM AST Thu Sep 10 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH LATE

SATURDAY NIGHT...



.TONIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet with

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

swell 4 to 5 feet after midnight. Scattered showers.

.FRIDAY...Northeast winds 5 to 10 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds. East

swell 4 to 7 feet. Isolated showers.

.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 6 to 8 feet

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

East swell 4 to 8 feet. Scattered showers.

.SATURDAY...Northeast winds 5 to 10 knots. Seas 6 to 8 feet with

occasional seas up to 10 feet. Dominant period 12 seconds.

Northeast swell 4 to 7 feet. Isolated showers.

.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds.

Northeast swell 4 to 7 feet. Scattered showers.

.SUNDAY...Southeast winds 5 to 10 knots. Seas 4 to 6 feet with

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

Northeast swell 4 to 5 feet. Isolated showers.

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

occasional seas up to 6 feet. Dominant period 11 seconds.

Northeast swell around 4 feet. Isolated showers.

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

occasional seas up to 6 feet. Dominant period 11 seconds. North

swell around 4 feet. Isolated showers.



$$



AMZ712-110815-

Coastal Waters of Northern Puerto Rico out 10 NM-

337 PM AST Thu Sep 10 2020



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

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

Scattered showers.

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

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

showers.

.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 6 feet with

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

Northeast swell 4 to 5 feet. Scattered showers.

.SATURDAY...Southeast winds 5 to 10 knots backing northeast in the

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

Dominant period 12 seconds. Northeast swell 4 to 6 feet. Scattered

showers.

.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 5 to 7 feet

with occasional seas up to 9 feet. Dominant period 12 seconds.

Northeast swell 4 to 6 feet. Isolated showers.

.SUNDAY...Southeast winds 5 to 10 knots. Seas 4 to 6 feet with

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

Northeast swell 4 to 6 feet. Isolated showers.

.MONDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet with

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

showers.

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

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

swell around 4 feet. Isolated showers.



$$



AMZ715-110815-

Coastal Waters of Northern USVI and Culebra out 10 NM-

337 PM AST Thu Sep 10 2020



...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH

SATURDAY MORNING...



.TONIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 11 seconds.

Northeast swell around 4 feet after midnight. Scattered showers.

.FRIDAY...East winds 5 to 10 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds.

Northeast swell 4 to 6 feet. Isolated showers.

.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 5 to 7 feet

with occasional seas up to 9 feet. Dominant period 11 seconds.

Northeast swell 4 to 6 feet. Scattered showers.

.SATURDAY...East winds 5 to 10 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 12 seconds.

Northeast swell 4 to 6 feet. Isolated showers.

.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 6 feet with

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

Northeast swell 4 to 5 feet. Scattered showers.

.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet with

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

Scattered showers.

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

occasional seas up to 6 feet. Dominant period 11 seconds. North

swell around 4 feet. Scattered showers.

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

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

swell around 4 feet. Scattered showers.



$$



AMZ722-110815-

Anegada Passage Southward to 17N-

337 PM AST Thu Sep 10 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH

SATURDAY MORNING...



.TONIGHT...Northeast winds around 10 knots. Seas 4 to 6 feet with

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

Northeast swell 4 to 5 feet after midnight. Isolated showers.

.FRIDAY...East winds 5 to 10 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 12 seconds. East

swell 4 to 6 feet. Isolated showers.

.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 5 to 7 feet

with occasional seas up to 9 feet. Dominant period 12 seconds.

Northeast swell 4 to 7 feet. Scattered showers.

.SATURDAY...East winds 5 to 10 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds.

Northeast swell 4 to 7 feet. Isolated showers.

.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 5 to 7 feet

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

Northeast swell 4 to 6 feet. Isolated showers.

.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet with

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

showers.

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

occasional seas up to 6 feet. Dominant period 11 seconds. North

swell around 4 feet. Isolated showers.

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

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

showers.



$$



AMZ725-110815-

Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out

10 NM-

337 PM AST Thu Sep 10 2020



...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH

SATURDAY MORNING...



.TONIGHT...Northeast winds 5 to 10 knots. Seas 3 to 5 feet with

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

swell around 4 feet after midnight. Scattered showers.

.FRIDAY...East winds 5 to 10 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds. East

swell 4 to 6 feet. Isolated showers.

.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 5 to 7 feet

with occasional seas up to 9 feet. Dominant period 11 seconds.

East swell 4 to 7 feet. Scattered showers.

.SATURDAY...East winds 5 to 10 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds. East

swell 4 to 7 feet. Isolated showers.

.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 4 to 6 feet

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

East swell 4 to 5 feet. Isolated showers.

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

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

Scattered showers.

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

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

swell around 4 feet. Scattered showers.

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

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

Scattered showers.



$$



AMZ732-110815-

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

337 PM AST Thu Sep 10 2020



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

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

showers.

.FRIDAY...East winds 5 to 10 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 11 seconds. East

swell around 4 feet. Isolated showers.

.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 6 feet with

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

swell 4 to 5 feet. Scattered showers.

.SATURDAY...East winds 5 to 10 knots. Seas 4 to 6 feet with

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

Northeast swell 4 to 5 feet. Isolated showers.

.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 4 to 6 feet

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

Northeast swell 4 to 5 feet. Isolated showers.

.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 11 seconds. Isolated

showers.

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

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

showers.

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

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

showers.



$$



AMZ735-110815-

Coastal Waters of Southern Puerto Rico out 10 NM-

337 PM AST Thu Sep 10 2020



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

Dominant period 10 seconds. Isolated showers through the night.

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

period 10 seconds. Scattered showers through the day. Isolated

thunderstorms in the afternoon.

.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 4 feet

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

Isolated showers.

.SATURDAY...Northeast winds 5 to 10 knots veering southeast in the

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

Dominant period 11 seconds. East swell around 4 feet in the

afternoon. Isolated showers.

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

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

swell around 4 feet in the evening. Isolated showers.

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

period 10 seconds. Isolated showers.

.MONDAY...East winds 10 to 15 knots. Seas 2 feet or less. Dominant

period 12 seconds. Isolated showers.

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

period 11 seconds. Isolated showers.



$$



AMZ741-110815-

Mona Passage Southward to 17N-

337 PM AST Thu Sep 10 2020



.TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 4 feet with

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

showers through the night.

.FRIDAY...Northeast winds 5 to 10 knots. Seas 2 to 4 feet with

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

showers.

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

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

showers.

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

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

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

.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 6 feet with

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

Northeast swell 4 to 5 feet. Isolated showers.

.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 11 seconds.

Northeast swell 4 to 5 feet. Isolated showers.

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

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

showers.

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

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

swell around 4 feet. Isolated showers.



$$



AMZ742-110815-

Coastal Waters of Northwestern Puerto Rico out 10 NM-

337 PM AST Thu Sep 10 2020



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

period 7 seconds. Isolated showers through the night.

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

Dominant period 7 seconds. Scattered showers through the day.

Isolated thunderstorms in the afternoon.

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

Dominant period 8 seconds. Isolated showers.

.SATURDAY...Northeast winds 5 to 10 knots. Seas 2 to 4 feet with

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

showers.

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

occasional seas up to 6 feet. Dominant period 11 seconds.

Northeast swell around 4 feet. Isolated showers.

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

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

Northeast swell around 4 feet. Isolated showers.

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

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

showers.

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

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

Scattered showers.



$$



AMZ745-110815-

Coastal Waters of Southwestern Puerto Rico out 10 NM-

337 PM AST Thu Sep 10 2020



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

Dominant period 10 seconds.

.FRIDAY...East winds 5 to 10 knots veering southwest in the

afternoon. Seas 2 feet or less. Dominant period 10 seconds.

Scattered showers through the day. Isolated thunderstorms in the

afternoon.

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

Dominant period 8 seconds. Scattered showers.

.SATURDAY...Northeast winds 5 to 10 knots veering south in the

afternoon. Seas 1 foot or less. Dominant period 10 seconds.

Scattered showers.

.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.

Dominant period 10 seconds. Isolated showers.

.SUNDAY...East winds 5 to 10 knots. Seas 1 foot or less. Dominant

period 11 seconds. Isolated showers.

.MONDAY...East winds 10 to 15 knots. Seas 2 feet or less. Dominant

period 7 seconds. Isolated showers.

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

Dominant period 10 seconds. Scattered showers.



$$

