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
         Historical
         DART®
    Oil & Gas ADCP
    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
    Partner Platforms

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

 Publications
    NDBC Draft PEA
    NDBC DQC Handbook
    Hurricane Data Plots
    Mariners Weather
      Log
    Observing
      Handbook No. 1

 Science Education

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

NOTICE! You have reached NDBC's backup site. Most likely there is scheduled network maintenance or a temporary network problem preventing access to the main site. The backup site does not have 100% of the main site's data. Please pay attention to times of observations. Also, some links will be broken if the main web site is not available.

Station 21415 (LLNR 984.85) - ATTU - 175 NM South of Attu, AK

Owned and maintained by National Data Buoy Center
2.6-meter discus buoy
DART II payload
50.167 N 171.915 E (50°10'0" N 171°54'54" E)

Site elevation: sea level
Water depth: 4855 m

Important Notice to Mariners

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station 21415

DART Program Description

U.S. Tsunami Warning Centers

Station 21415
Large icon indicates selected station.
yellow diamond Stations with recent data
red diamond Stations with no data in last 8 hours
     (24 hours for tsunami stations)

Plot of Water Column Height Data for Station 21415

Data Access

Select Data Type:
Available series:

Select start date:

Select end date:

Water Column Heights:
07/18/2017 00:00:00 to 07/22/2017 23:59:59

The data are recorded in pounds per square inch absolute (PSIA), but are displayed in meters of water after applying a constant 670.0 mm of water/PSIA conversion factor.

T = Measurement Type;
     where 1 = 15-minute measurement; 2 = 1-minute measurement; 3 = 15-second measurement

Description of Measurements

Links which are specific to this station are listed below:

Real Time Data in tabular form for the last forty-five days.

Historical Data & Climatic Summaries for quality controlled data for the current month, previous months, and previous years.

The weekly maintenance report also provides valuable station information.

Note that the payload types and the station locations occasionally change.
Please refer to the NDBC data inventory for the data history of each station.