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668 

FZCA52 TJSJ 230749

CWFSJU



Coastal Waters Forecast

National Weather Service San Juan PR

349 AM AST Mon Nov 23 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.



AMZ700-232030-

349 AM AST Mon Nov 23 2020



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

Moderate to locally fresh east southeast winds will continue across 

the regional waters through at least tonight. A northerly swell will

continue to affect the local Atlantic waters and passages through 

today, causing choppy and hazardous marine conditions. Seas will 

gradually improve by Tuesday, before another swell invades the local 

waters Thursday.



$$



AMZ710-232030-

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

349 AM AST Mon Nov 23 2020



...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...



.TODAY...Southeast winds 10 to 15 knots. Seas 5 to 7 feet with

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

swell around 4 Feet. Isolated showers.

.TONIGHT...Southeast winds 10 to 15 knots. Seas 5 to 7 feet with

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

showers.

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

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

showers.

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

with occasional seas up to 6 feet. Dominant period 9 seconds.

Scattered showers.

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

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

showers.

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

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

showers.

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

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

showers.



$$



AMZ712-232030-

Coastal Waters of Northern Puerto Rico out 10 NM-

349 AM AST Mon Nov 23 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...



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

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

showers.

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

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

showers through the night.

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

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

showers.

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

occasional seas up to 5 feet. Dominant period 9 seconds. Isolated

showers.

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

occasional seas up to 6 feet. Dominant period 9 seconds. Isolated

showers.

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

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

showers.

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

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

showers.



$$



AMZ715-232030-

Coastal Waters of Northern USVI and Culebra out 10 NM-

349 AM AST Mon Nov 23 2020



|...SMALL CRAFT SHOULD EXERCISE CAUTION...



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

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

showers.

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

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

showers.

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

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

showers.

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

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

showers.

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

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

Scattered showers.

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

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

showers.

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

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

showers.



$$



AMZ722-232030-

Anegada Passage Southward to 17N-

349 AM AST Mon Nov 23 2020



...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM AST THIS MORNING...



.TODAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet with

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

showers.

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

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

showers.

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

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

showers.

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

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

showers.

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

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

showers.

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

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

showers.

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

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

showers.



$$



AMZ725-232030-

Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out

10 NM-

349 AM AST Mon Nov 23 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...



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

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

showers.

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

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

showers.

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

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

showers.

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

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

Scattered showers.

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

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

showers.

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

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

showers.

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

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

showers.



$$



AMZ732-232030-

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

349 AM AST Mon Nov 23 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...



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

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

showers.

.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.

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

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

showers.

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

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

showers.

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

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

showers.

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

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

showers.



$$



AMZ735-232030-

Coastal Waters of Southern Puerto Rico out 10 NM-

349 AM AST Mon Nov 23 2020



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

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

showers.

.TONIGHT...East winds 5 to 10 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. Scattered

showers through the day.

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

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

Isolated showers.

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

Dominant period 8 seconds. Isolated showers.

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

Dominant period 7 seconds. Isolated showers.

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

Dominant period 8 seconds. Isolated showers.



$$



AMZ741-232030-

Mona Passage Southward to 17N-

349 AM AST Mon Nov 23 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...



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

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

showers.

.TONIGHT...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 night.

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

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

showers through the day.

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

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

Scattered showers.

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

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

showers.

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

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

showers.

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

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

showers.



$$



AMZ742-232030-

Coastal Waters of Northwestern Puerto Rico out 10 NM-

349 AM AST Mon Nov 23 2020



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

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

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

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

showers.

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

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

Dominant period 7 seconds.

.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.

Dominant period 8 seconds. Isolated showers through the night.

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

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

showers.

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

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

showers.

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

occasional seas up to 6 feet. Dominant period 9 seconds. Isolated

showers.



$$



AMZ745-232030-

Coastal Waters of Southwestern Puerto Rico out 10 NM-

349 AM AST Mon Nov 23 2020



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

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

.TONIGHT...East winds 5 to 10 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 5 to 10 knots backing northeast in the

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

showers.

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

Dominant period 7 seconds. Isolated showers.

.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 feet or less.

Dominant period 7 seconds. Scattered showers.

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

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

showers.

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

occasional seas up to 5 feet. Dominant period 9 seconds. Isolated

showers.



$$

