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786 

FZCA52 TJSJ 282013

CWFSJU



Coastal Waters Forecast

National Weather Service San Juan PR

413 PM AST Mon Sep 28 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.



AMZ700-290915-

413 PM AST Mon Sep 28 2020



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

As a high pressure moves into the north-central Atlantic, moderate 

to locally fresh east-southeast winds will prevail through much of 

the workweek. A tropical wave will continue to move through across 

the local area tonight, and will bring showers and thunderstorms 

across the regional waters.



$$



AMZ710-290915-

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

413 PM AST Mon Sep 28 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...



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

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

showers.

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

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

showers.

.TUESDAY 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.

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

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

thunderstorms in the morning. Scattered showers through the day.

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

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

Isolated thunderstorms.

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

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

thunderstorms. Scattered showers.

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

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

showers, then isolated thunderstorms.

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

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

showers, then isolated thunderstorms.



$$



AMZ712-290915-

Coastal Waters of Northern Puerto Rico out 10 NM-

413 PM AST Mon Sep 28 2020



.TONIGHT...East winds 10 to 15 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.

.TUESDAY...East winds 15 to 20 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.

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

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

Isolated thunderstorms.

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

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

thunderstorms through the day. Scattered showers in the afternoon.

.WEDNESDAY 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.

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

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

thunderstorms. Scattered showers.

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

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

showers.



$$



AMZ715-290915-

Coastal Waters of Northern USVI and Culebra out 10 NM-

413 PM AST Mon Sep 28 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...



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

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

showers.

.TUESDAY...Southeast winds 15 to 20 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.

.TUESDAY 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 and isolated thunderstorms.

.WEDNESDAY...East 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.

.WEDNESDAY 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 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. Isolated

thunderstorms, then isolated showers.

.FRIDAY...East 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.

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

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

showers, then isolated thunderstorms.



$$



AMZ722-290915-

Anegada Passage Southward to 17N-

413 PM AST Mon Sep 28 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...



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

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

showers.

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

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

showers.

.TUESDAY NIGHT...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.

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

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

thunderstorms in the morning. Numerous showers through the day.

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

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

Isolated showers.

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

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

thunderstorms, then isolated showers.

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

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

showers. Isolated thunderstorms.

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

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

showers.



$$



AMZ725-290915-

Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out

10 NM-

413 PM AST Mon Sep 28 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...



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

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

showers and isolated thunderstorms.

.TUESDAY 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 and isolated thunderstorms.

.WEDNESDAY...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.

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

with occasional seas up to 9 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. Isolated

thunderstorms, then isolated showers.

.FRIDAY...East 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.

.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, then isolated thunderstorms.



$$



AMZ732-290915-

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

413 PM AST Mon Sep 28 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...



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

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

thunderstorms in the morning. Scattered 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 7 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 7 seconds. Isolated

thunderstorms in the morning. Numerous showers through the day.

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

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

showers. Isolated thunderstorms.

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

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

thunderstorms. Scattered showers.

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

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

showers.



$$



AMZ735-290915-

Coastal Waters of Southern Puerto Rico out 10 NM-

413 PM AST Mon Sep 28 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...



.TONIGHT...East 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.

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

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

thunderstorms in the morning. Scattered showers through the day.

.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 and isolated thunderstorms.

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

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

showers.

.WEDNESDAY 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.

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

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

thunderstorms. Scattered showers.

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

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

thunderstorms, then 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.



$$



AMZ741-290915-

Mona Passage Southward to 17N-

413 PM AST Mon Sep 28 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...



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

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

showers through the night.

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

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

showers.

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

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

Scattered 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 7 seconds. Isolated

showers.

.WEDNESDAY 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.

.THURSDAY...East 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.

.FRIDAY...East 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. Isolated thunderstorms. Scattered showers.

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

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

showers.



$$



AMZ742-290915-

Coastal Waters of Northwestern Puerto Rico out 10 NM-

413 PM AST Mon Sep 28 2020



.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.

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

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

showers.

.WEDNESDAY...East winds 10 to 15 knots veering southwest in the

afternoon. 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.

.WEDNESDAY 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.

.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. Scattered 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, then isolated showers.



$$



AMZ745-290915-

Coastal Waters of Southwestern Puerto Rico out 10 NM-

413 PM AST Mon Sep 28 2020



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

period 7 seconds. Isolated showers.

.TUESDAY...Southeast winds 15 to 20 knots. 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 15 to 20 knots. Seas 2 to 4 feet with

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

showers.

.WEDNESDAY 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.

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

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

thunderstorms. Scattered showers.

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

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

thunderstorms, then 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, then isolated showers.



$$

