

933 

FZCA52 TJSJ 260045

CWFSJU



Coastal Waters Forecast

National Weather Service San Juan PR

845 PM AST Fri Dec 25 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.



AMZ700-261400-

845 PM AST Fri Dec 25 2020



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

A northerly swell combined with the moderate to locally fresh 

easterly wind flow will continue to result in choppy to hazardous 

marine conditions through at least tomorrow. The aforementioned 

easterly winds will continue across the local waters through at least

early next week, due to surface high pressure over the central 

Atlantic. 



$$



AMZ710-261400-

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

845 PM AST Fri Dec 25 2020



...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...



.REST OF TONIGHT...East winds 10 to 15 knots. Seas 6 to 8 feet

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

Northeast swell around 4 feet. Scattered showers.

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

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

swell around 4 Feet. Scattered showers.

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

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

showers.

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

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

Scattered showers.

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

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

Scattered showers.

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

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

showers.

.TUESDAY...Northeast winds 10 to 15 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.

.WEDNESDAY...East winds 15 to 20 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.



$$



AMZ712-261400-

Coastal Waters of Northern Puerto Rico out 10 NM-

845 PM AST Fri Dec 25 2020



...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM AST SATURDAY...



.REST OF TONIGHT...East 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 in the evening. Isolated showers.

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

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

showers through the day.

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

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

showers.

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

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

showers.

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

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

Scattered showers.

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

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

showers.

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

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

Northeast swell around 4 feet. Isolated showers.

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

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

Northeast swell 4 to 5 feet. Scattered showers.



$$



AMZ715-261400-

Coastal Waters of Northern USVI and Culebra out 10 NM-

845 PM AST Fri Dec 25 2020



...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM AST SATURDAY...



.REST OF TONIGHT...East winds 10 to 15 knots. Seas 5 to 7 feet

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

Northeast swell 4 to 5 feet in the evening. Scattered showers.

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

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

showers.

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

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

showers.

.SUNDAY...East winds around 10 knots. Seas 3 to 5 feet with

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

showers.

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

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

Scattered showers.

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

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

Scattered showers.

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

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

Scattered showers.

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

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

swell around 4 feet. Isolated showers.



$$



AMZ722-261400-

Anegada Passage Southward to 17N-

845 PM AST Fri Dec 25 2020



...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM AST SATURDAY...



.REST OF TONIGHT...East winds 10 to 15 knots. Seas 5 to 7 feet

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

Northeast swell around 4 feet in the evening. Scattered showers.

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

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

showers.

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

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

showers.

.SUNDAY...East winds around 10 knots. Seas 4 to 6 feet with

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

showers.

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

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

showers.

.MONDAY...East winds around 10 knots. Seas 4 to 6 feet with

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

Scattered showers.

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

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

Northeast swell around 4 feet. Scattered showers.

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

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

Northeast swell 4 to 5 feet. Isolated showers.



$$



AMZ725-261400-

Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out

10 NM-

845 PM AST Fri Dec 25 2020



...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM AST SATURDAY...



.REST OF TONIGHT...East winds 10 to 15 knots. Seas 5 to 7 feet

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

Scattered showers.

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

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

showers.

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

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

showers.

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

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

showers.

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

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

showers.

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

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

Scattered showers.

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

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

Scattered showers.

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

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

Northeast swell around 4 feet. Isolated showers.



$$



AMZ732-261400-

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

845 PM AST Fri Dec 25 2020



...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM AST SATURDAY...



.REST OF TONIGHT...East winds 10 to 15 knots. Seas 5 to 7 feet

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

Isolated showers.

.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 through the day.

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

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

showers through the night.

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

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

showers.

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

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

showers.

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

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

showers.

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

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

Northeast swell around 4 feet. Scattered showers.

.WEDNESDAY...East winds 10 to 15 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.



$$



AMZ735-261400-

Coastal Waters of Southern Puerto Rico out 10 NM-

845 PM AST Fri Dec 25 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...



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

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

Isolated showers through the night.

.SATURDAY...East 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 day.

.SATURDAY 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 through the night.

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

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

showers.

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

Dominant period 10 seconds. Isolated showers.

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

Dominant period 8 seconds. Isolated showers.

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

Dominant period 8 seconds. Scattered showers.

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

Dominant period 7 seconds. Isolated showers.



$$



AMZ741-261400-

Mona Passage Southward to 17N-

845 PM AST Fri Dec 25 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...



.REST OF 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.

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

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

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

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

showers.

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

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

showers.

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

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

Scattered showers.

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

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

showers.

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

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

showers.

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

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

swell around 4 feet. Isolated showers.



$$



AMZ742-261400-

Coastal Waters of Northwestern Puerto Rico out 10 NM-

845 PM AST Fri Dec 25 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...



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

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

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

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

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

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

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

showers through the night.

.SUNDAY...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 10 seconds. Scattered showers.

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

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

showers.

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

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

showers.

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

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

showers.

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

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

showers.



$$



AMZ745-261400-

Coastal Waters of Southwestern Puerto Rico out 10 NM-

845 PM AST Fri Dec 25 2020



.REST OF TONIGHT...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 1 to 3 feet. Dominant

period 8 seconds.

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

Dominant period 8 seconds. Isolated showers.

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

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

showers.

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

Dominant period 10 seconds. Scattered showers.

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

Dominant period 10 seconds. Scattered showers.

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

Dominant period 7 seconds. Isolated showers.

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

Dominant period 7 seconds. Isolated showers.



$$

