NOAA/PMEL Ocean Climate Stations Moorings

climate environmental oceans sustainability weather


The mission of the Ocean Climate Stations (OCS) Project is to make meteorological and oceanic measurements from autonomous platforms. Calibrated, quality-controlled, and well-documented climatological measurements are available on the OCS webpage and the OceanSITES Global Data Assembly Centers (GDACs), with near-realtime data available prior to release of the complete, downloaded datasets.

OCS measurements served through the Big Data Program come from OCS high-latitude moored buoys located in the Kuroshio Extension (32°N 145°E) and the Gulf of Alaska (50°N 145°W). Initiated in 2004 and 2007, the respective moored buoys, KEO and Papa, measure a suite of surface and subsurface essential ocean variables. The surface suite includes air temperature, relative humidity, shortwave and longwave radiation, barometric pressure, winds, and rain, while subsurface instrumentation includes temperature, salinity, and ocean currents. Individual buoy deployments are stitched together into a continuous time-series, which is synced to the OceanSITES GDACs, and subsequently, to BDP.

Update Frequency

KEO and Papa data on BDP are synchronized with the OceanSITES Global Data Assembly Center periodically.


Open Data. There are no restrictions on the use of this data.


Managed By

See all datasets managed by NOAA.


For questions regarding data content or quality, users are directed to the OCS webpage ( For any questions regarding data delivery not associated with this platform or any general questions regarding the NOAA Big Data Program, email

Usage Examples


Resources on AWS

  • Description
    OCS moored buoy data
    Resource type
    S3 Bucket
    Amazon Resource Name (ARN)
    AWS Region
    AWS CLI Access (No AWS account required)
    aws s3 ls s3://noaa-oar-keo-papa-pds/ --no-sign-request
    Browse Bucket
  • Description
    New data notifications for OCS moored buoy data, only Lambda and SQS protocols allowed
    Resource type
    SNS Topic
    Amazon Resource Name (ARN)
    AWS Region

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