

570 

FZCA52 TJSJ 081417

CWFSJU



Coastal Waters Forecast

National Weather Service San Juan PR

1017 AM AST Tue Dec 8 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.



AMZ700-090330-

1017 AM AST Tue Dec 8 2020



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

Light to moderate south to southeast winds are expected across the 

regional waters through Wednesday. Then, winds are forecast to turn 

from the east to east-northeast as a surface high moves into the 

western Atlantic. Tranquil marine conditions are expected during the 

next few days.



$$



AMZ710-090330-

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

1017 AM AST Tue Dec 8 2020



.REST OF TODAY...South winds 10 to 15 knots. Seas 3 to 5 feet with

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

Northeast swell around 4 feet. Isolated showers through the day.

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

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

showers through the day.

.WEDNESDAY 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 through the night.

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

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

showers.

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

occasional seas up to 8 feet. Dominant period 8 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.



$$



AMZ712-090330-

Coastal Waters of Northern Puerto Rico out 10 NM-

1017 AM AST Tue Dec 8 2020



.REST OF TODAY...Northeast 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.

.TONIGHT...East winds 5 to 10 knots veering south after midnight.

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 5 to 10 knots. Seas 2 to 4 feet with

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

showers.

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

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

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

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

Scattered showers.

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

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

showers.



$$



AMZ715-090330-

Coastal Waters of Northern USVI and Culebra out 10 NM-

1017 AM AST Tue Dec 8 2020



.REST OF TODAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet

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

Northeast swell around 4 feet. Isolated showers through the day.

.TONIGHT...Southeast 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 in the evening. Isolated showers.

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

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

showers.

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

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

showers.

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

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

Scattered showers.

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

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

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.



$$



AMZ722-090330-

Anegada Passage Southward to 17N-

1017 AM AST Tue Dec 8 2020



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

with occasional seas up to 5 feet. Dominant period 12 seconds.

Isolated showers.

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

occasional seas up to 5 feet. Dominant period 12 seconds. Isolated

showers.

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

occasional seas up to 5 feet. Dominant period 12 seconds. Isolated

showers.

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

occasional seas up to 5 feet. Dominant period 12 seconds. Isolated

showers through the night.

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

occasional seas up to 5 feet. Dominant period 12 seconds.

Scattered showers.

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

occasional seas up to 6 feet. Dominant period 8 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.



$$



AMZ725-090330-

Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out

10 NM-

1017 AM AST Tue Dec 8 2020



.REST OF TODAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet

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

East swell around 4 feet. Isolated showers.

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

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

showers through the night.

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

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

showers.

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

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

showers through the night.

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

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

showers.

.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.



$$



AMZ732-090330-

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

1017 AM AST Tue Dec 8 2020



.REST OF TODAY...Southeast 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 through the day.

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

occasional seas up to 5 feet. Dominant period 12 seconds. Isolated

showers.

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

occasional seas up to 5 feet. Dominant period 12 seconds. Isolated

showers through the day.

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

occasional seas up to 5 feet. Dominant period 12 seconds.

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

occasional seas up to 5 feet. Dominant period 12 seconds. Isolated

showers.

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

occasional seas up to 6 feet. Dominant period 8 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

showers.



$$



AMZ735-090330-

Coastal Waters of Southern Puerto Rico out 10 NM-

1017 AM AST Tue Dec 8 2020



.REST OF TODAY...Southeast winds 5 to 10 knots. Seas 1 to 3 feet.

Dominant period 7 seconds. Isolated showers through the day.

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

Dominant period 7 seconds.

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

period 7 seconds. Isolated showers.

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

feet. Dominant period 8 seconds.

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

Dominant period 8 seconds. Isolated showers.

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

Dominant period 8 seconds. Isolated showers.

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

period 7 seconds. Isolated showers.



$$



AMZ741-090330-

Mona Passage Southward to 17N-

1017 AM AST Tue Dec 8 2020



.REST OF TODAY...Southeast 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. Isolated showers.

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

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

Southeast swell around 4 feet. Isolated showers through the night.

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

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

showers.

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

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

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

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

showers.

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

occasional seas up to 6 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.



$$



AMZ742-090330-

Coastal Waters of Northwestern Puerto Rico out 10 NM-

1017 AM AST Tue Dec 8 2020



.REST OF TODAY...South winds 5 to 10 knots. Seas 2 to 4 feet with

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

swell around 4 feet. Isolated showers.

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

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

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

night.

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

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

showers through the day.

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

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

Isolated showers.

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

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

showers.

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

occasional seas up to 6 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 8 seconds. Isolated

showers.



$$



AMZ745-090330-

Coastal Waters of Southwestern Puerto Rico out 10 NM-

1017 AM AST Tue Dec 8 2020



.REST OF TODAY...Southeast winds 5 to 10 knots. Seas 1 to 3 feet.

Dominant period 10 seconds. Isolated showers through the day.

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

period 10 seconds. Isolated showers.

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

Dominant period 10 seconds. Isolated showers.

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

feet. Dominant period 10 seconds.

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

Dominant period 10 seconds. Isolated showers.

.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.

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

period 8 seconds. Isolated showers.



$$

