Skip Navigation Links weather.gov 
NOAA logo-Select to go to the NOAA homepage NDBC Title GraphicClick to go to NDBC home page   Select to go to the NWS homepage
Home News Organization
 
 
    
    Station List

 Observations
    Mobile Access
    Interactive Map
    Classic Maps
         Recent
         DART®
    Obs Search
    Ship Obs Report
    Gliders
    BuoyCAMs Image indicating link to BuoyCAMs page
    TAO
    DODS
    OceanSITES
    HF Radar
    OSMC
    Dial-A-Buoy
    RSS Feeds Image indicating link to RSS feed access page
    Obs Web Widget
    Email Access
    Web Data Guide

 Station Status
    NDBC Maintenance
    NDBC Platforms

 Program Info
    Facebook Logo
    NDBC on Facebook
    About NDBC
     Met/Ocean
          Moored Buoy
          C-MAN
    TAO
    DART®
    VOS
    IOOS® Program
    IOOS® DAC

 Publications
    NDBC Draft PEA
    NDBC DQC Handbook
    Hurricane Data Plots

 Science Education

 FAQ
 Media Inquiries
 Contact Us
 Visitor Information
 
USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.

National Weather Service Marine Forecast FZCA52 TJSJ

FZCA52 TJSJ 150815
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
415 AM AST Fri Dec 15 2017

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.

AMZ700-152045-
415 AM AST Fri Dec 15 2017

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

A high pressure ridge will build and spread across the forecast area,
tightening the local pressure gradient. This will result in a moderate
to fresh east to northeast wind flow during the next several days. A
northerly swell will continue to spread across the Atlantic waters
and local passages throughout the day.



AMZ710-152045-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
415 AM AST Fri Dec 15 2017

SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY Morning


TODAY
East winds 10 to 15 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 10 seconds.
Northwest swell 5 to 6 feet. Isolated showers.

TONIGHT
East winds 10 to 15 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 10 seconds. North
swell 4 to 6 feet. Isolated showers through the night.

SATURDAY
Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds. North
swell 4 to 5 Feet. Isolated showers through the day.

SATURDAY NIGHT
Northeast winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 8 seconds.
Isolated showers.

SUNDAY
Northeast winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 7 seconds.
Northwest swell around 4 feet. Scattered showers.

MONDAY
East winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 10 seconds. North
swell 4 to 7 feet. Scattered showers.

TUESDAY
East winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 11 seconds. North
swell 4 to 7 feet. Scattered showers.



AMZ712-152045-
Coastal Waters of Northern Puerto Rico out 10 NM-
415 AM AST Fri Dec 15 2017

Small Craft should exercise caution


TODAY
East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds.
Northwest swell 4 to 5 feet. Isolated showers.

TONIGHT
East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet. Isolated showers.

SATURDAY
East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet. Isolated showers through the day.

SATURDAY NIGHT
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 8 seconds. Isolated
showers.

SUNDAY
Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 7 seconds. Scattered
showers.

MONDAY
East winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 10 seconds.
Scattered showers.

TUESDAY
East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet. Scattered showers.



AMZ715-152045-
Coastal Waters of Northern USVI and Culebra out 10 NM-
415 AM AST Fri Dec 15 2017

Small Craft should exercise caution


TODAY
East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds.
Northwest swell 4 to 5 feet. Isolated showers through the day.

TONIGHT
East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds.
Northwest swell 4 to 5 feet. Isolated showers.

SATURDAY
Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet. Scattered showers.

SATURDAY NIGHT
Northeast winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 8 seconds.
Isolated showers.

SUNDAY
Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 7 seconds. Scattered
showers.

MONDAY
East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet. Scattered showers.

TUESDAY
East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds. North
swell 4 to 5 feet. Scattered showers.



AMZ722-152045-
Anegada Passage Southward to 17N-
415 AM AST Fri Dec 15 2017

Small Craft should exercise caution


TODAY
East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet. Isolated showers.

TONIGHT
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet. Isolated showers through the night.

SATURDAY
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet. Isolated showers.

SATURDAY NIGHT
Northeast winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 8 seconds.
Isolated showers.

SUNDAY
Northeast winds 20 to 25 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 7 seconds.
Northeast swell around 4 feet. Scattered showers.

MONDAY
East winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 11 seconds. North
swell 4 to 7 feet. Scattered showers.

TUESDAY
East winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 11 seconds. North
swell 4 to 6 feet. Scattered showers.



AMZ725-152045-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM-
415 AM AST Fri Dec 15 2017

TODAY
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds. East
swell around 4 feet. Isolated showers through the day.

TONIGHT
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds. East
swell around 4 feet. Isolated showers.

SATURDAY
Northeast winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds. East
swell around 4 feet. Scattered showers.

SATURDAY NIGHT
Northeast winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 7 seconds.
Scattered showers.

SUNDAY
Northeast winds 20 to 25 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. North
swell around 4 feet. Scattered showers.

MONDAY
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet. Scattered showers.

TUESDAY
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 11 seconds. East
swell 4 to 5 feet. Scattered showers.



AMZ732-152045-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
415 AM AST Fri Dec 15 2017

Small Craft should exercise caution


TODAY
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.

TONIGHT
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 8 seconds. Isolated
showers through the night.

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 through the day.

SATURDAY NIGHT
Northeast winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 7 seconds.
Isolated showers.

SUNDAY
Northeast winds 20 to 25 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 7 seconds. North
swell around 4 feet. Scattered showers.

MONDAY
East winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 11 seconds. North
swell 4 to 5 feet. Scattered showers.

TUESDAY
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 11 seconds. North
swell 4 to 5 feet. Isolated showers.



AMZ735-152045-
Coastal Waters of Southern Puerto Rico out 10 NM-
415 AM AST Fri Dec 15 2017

TODAY
East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 8 seconds.

TONIGHT
Northeast 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 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds.

SATURDAY NIGHT
Northeast 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 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds.

MONDAY
Northeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.

TUESDAY
Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 7 seconds. Isolated
showers.



AMZ741-152045-
Mona Passage Southward to 17N-
415 AM AST Fri Dec 15 2017

Small Craft should exercise caution


TODAY
East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet.

TONIGHT
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet.

SATURDAY
Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet.

SATURDAY NIGHT
Northeast winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 7 seconds.
Isolated showers through the night.

SUNDAY
Northeast winds 20 to 25 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 7 seconds. Northeast
swell around 4 feet. Isolated showers.

MONDAY
East winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 10 seconds. North
swell 4 to 7 feet. Isolated showers.

TUESDAY
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds. North
swell 4 to 6 feet. Isolated showers.



AMZ742-152045-
Coastal Waters OF Northwestern Puerto Rico out 10 NM-
415 AM AST Fri Dec 15 2017

TODAY
Northeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds.
Northwest swell 4 to 5 feet.

TONIGHT
East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet. Isolated showers through the night.

SATURDAY
Northeast winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds. North
swell around 4 feet. Isolated showers.

SATURDAY NIGHT
Northeast winds 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant Period 8 seconds.
Isolated showers.

SUNDAY
Northeast winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 7 seconds. Isolated
showers.

MONDAY
East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet. Isolated showers.

TUESDAY
East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet. Isolated showers.



AMZ745-152045-
Coastal Waters OF Southwestern Puerto Rico out 10 NM-
415 AM AST Fri Dec 15 2017

TODAY
East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Northwest swell around 4 feet.

TONIGHT
Northeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 11 seconds. Isolated
showers.

SATURDAY
Northeast winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.

SATURDAY NIGHT
Northeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant Period 8 seconds.

SUNDAY
Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 8 seconds. Isolated
showers.

MONDAY
Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 8 seconds. Isolated
showers.

TUESDAY
Northeast winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant Period 10 seconds. Isolated showers.