

457 

FZCA52 TJSJ 142000

CWFSJU



Coastal Waters Forecast

National Weather Service San Juan PR

400 PM AST Wed Oct 14 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.



AMZ700-150815-

400 PM AST Wed Oct 14 2020



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



High pressure across the western Atlantic and a broad surface trough

extending across the region from the central and eastern Caribbean 

will maintain light to moderate east to southeast trade winds for the

next several days. Tranquil seas are forecast to persist through 

early Thursday, then a tropical wave to the southeast of the 

Caribbean increases seas slightly over the local waters through early

Saturday. Showers and thunderstorms are expected through the end of 

the workweek.



$$



AMZ710-150815-

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

400 PM AST Wed Oct 14 2020



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

FRIDAY MORNING...



.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 and isolated thunderstorms.

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

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

showers and isolated thunderstorms.

.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 5 to 7 feet

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

Northeast swell around 4 feet. Numerous showers and isolated

thunderstorms.

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

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

thunderstorms.

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

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

showers.

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

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

showers.

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

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

showers.

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

period 10 seconds. Isolated showers.



$$



AMZ712-150815-

Coastal Waters of Northern Puerto Rico out 10 NM-

400 PM AST Wed Oct 14 2020



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

Dominant period 7 seconds. Scattered showers and isolated

thunderstorms.

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

period 7 seconds. Isolated thunderstorms through the day. Numerous

showers in the afternoon.

.THURSDAY NIGHT...Southeast 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.

.FRIDAY...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.

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

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

thunderstorms.

.SATURDAY...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.

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

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

showers.

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

period 10 seconds. Isolated thunderstorms. Scattered showers.



$$



AMZ715-150815-

Coastal Waters of Northern USVI and Culebra out 10 NM-

400 PM AST Wed Oct 14 2020



.SMALL CRAFT EXERCISE CAUTION...



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

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

showers and isolated thunderstorms.

.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 6 feet

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

Numerous showers and isolated thunderstorms.

.FRIDAY...Southeast winds 10 to 15 knots. Seas 4 to 6 feet with

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

thunderstorms through the day. Scattered showers in the afternoon.

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

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

showers.

.SATURDAY...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.

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

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

Scattered showers.

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

period 10 seconds. Scattered showers.



$$



AMZ722-150815-

Anegada Passage Southward to 17N-

400 PM AST Wed Oct 14 2020



.SMALL CRAFT EXERCISE CAUTION...



.TONIGHT...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 15 to 20 knots. Seas 4 to 6 feet with

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

showers and isolated thunderstorms.

.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 6 feet

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

Numerous showers and isolated thunderstorms.

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

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

showers in the morning, then isolated thunderstorms in the

afternoon.

.FRIDAY 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.

.SATURDAY...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.

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

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

Scattered showers.

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

period 8 seconds. Scattered showers.



$$



AMZ725-150815-

Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out

10 NM-

400 PM AST Wed Oct 14 2020



.SMALL CRAFT EXERCISE CAUTION...



.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 and isolated thunderstorms.

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

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

showers and isolated thunderstorms.

.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 6 feet

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

Numerous showers and isolated thunderstorms.

.FRIDAY...Southeast winds 10 to 15 knots. Seas 4 to 6 feet with

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

thunderstorms through the day. Numerous showers in the afternoon.

.FRIDAY 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.

.SATURDAY...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.

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

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

Scattered showers.

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

period 8 seconds. Scattered showers.



$$



AMZ732-150815-

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

400 PM AST Wed Oct 14 2020



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

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

showers and isolated thunderstorms.

.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 5 feet

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

Numerous showers and isolated thunderstorms.

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

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

showers and isolated thunderstorms.

.FRIDAY 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.

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

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

thunderstorms. Scattered showers.

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

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

showers.

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

period 10 seconds. Isolated showers.



$$



AMZ735-150815-

Coastal Waters of Southern Puerto Rico out 10 NM-

400 PM AST Wed Oct 14 2020



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

Dominant period 7 seconds. Scattered showers in the evening.

Isolated thunderstorms through the night.

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

period 7 seconds. Isolated thunderstorms through the day.

Scattered showers in the afternoon.

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

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

showers and isolated thunderstorms.

.FRIDAY...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.

.FRIDAY 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.

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

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

showers.

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

Dominant period 7 seconds. Scattered showers.

.MONDAY...East winds 5 to 10 knots. Seas 2 feet or less. Dominant

period 7 seconds. Isolated showers.



$$



AMZ741-150815-

Mona Passage Southward to 17N-

400 PM AST Wed Oct 14 2020



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

period 7 seconds. Scattered showers and isolated thunderstorms.

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

period 8 seconds.  and isolated thunderstorms.

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

Dominant period 8 seconds. Scattered showers and isolated

thunderstorms.

.FRIDAY...Southeast 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.

.FRIDAY 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.

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

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

showers.

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

period 10 seconds. Isolated showers.



$$



AMZ742-150815-

Coastal Waters of Northwestern Puerto Rico out 10 NM-

400 PM AST Wed Oct 14 2020



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

period 7 seconds. Isolated showers.

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

Dominant period 7 seconds. Isolated thunderstorms in the

afternoon.

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

Dominant period 7 seconds. Isolated thunderstorms in the evening.

Scattered showers through the night.

.FRIDAY...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.

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

Dominant period 7 seconds. Isolated showers.

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

period 7 seconds. Isolated thunderstorms, then isolated showers.

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

period 7 seconds. Isolated showers.

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

period 10 seconds. Isolated thunderstorms. Scattered showers.



$$



AMZ745-150815-

Coastal Waters of Southwestern Puerto Rico out 10 NM-

400 PM AST Wed Oct 14 2020



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

period 7 seconds. Scattered showers.

.THURSDAY...East winds 5 to 10 knots backing north in the

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

Isolated thunderstorms in the afternoon.

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

Dominant period 7 seconds. Isolated thunderstorms in the evening.

Scattered showers through the night.

.FRIDAY...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.

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

Dominant period 7 seconds. Isolated showers.

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

period 7 seconds. Scattered showers.

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

Dominant period 7 seconds. Isolated showers.

.MONDAY...East winds 5 to 10 knots. Seas 2 feet or less. Dominant

period 7 seconds. Scattered showers.



$$

