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We are stopping updates of this dataset since it is not anymore a priority for the center, if you are still using this data and want us to resume the updates please contact us.

Global Ocean OSTIA Sea Surface Temperature and Sea Ice Reprocessed

For the Global Ocean- the OSTIA global foundation Sea Surface Temperature product provides daily gap-free maps of: Foundation Sea Surface Temperature at 0.05x 0.05 degrees horizontal resolution, using in-situ and satellite data from both infra-red and micro-wave radiometers.

  • Sea Surface Temperature anomaly from the Pathfinder climatology at 0.25 x 0.25 degrees horizontal resolution.
  • Estimates of SST bias in each of the satellites contributing to the OSTIA SST analysis at 0.25 x 0.25 degrees horizontal resolution.
  • Monthly and seasonal means of the daily Sea Surface Temperature product at 0.25 x 0.25 degrees horizontal resolution are also available.
  • This product provides the foundation Sea Surface Temperature which is the surface temperature free of diurnal variability.

Downloaded from the | Marine Copernicus portal . This dataset is updated regularly every week, data temporal coverage is about one week delayed from present date.

License and terms of use

This dataset is provided as a local cache for ARCCSS researchers only. Please register with the Marine Copernicus portal if you are using this product

OSTIA-SST on raijin

Directory structure mirrors the Copernicus ftp server layout, if you wish to use files that we don't have available please contact the CMS helpdesk. data is available from the ua8 project:

  • /g/data/ua8/ostia/Core/SST_GLO_SST_L4_NRT_OBSERVATIONS_010_001/METOFFICE-GLO-SST-L4-NRT-OBS-SST-V2/<YYYY>/<MM>/<files>

filenames are:

  • YYYYMMDDhhmm00-UKMO-L4_GHRSST-SSTfnd-OSTIA-GLOB-v02.0-fv02.0.nc

For example:

  • 20180101120000-UKMO-L4_GHRSST-SSTfnd-OSTIA-GLOB-v02.0-fv02.0.nc


Available data


Years     Collection                              Dataset                              Variable


Bell, M.J., R.M. Forbes and A. Hines, 2000, Assessment of the FOAM global data assimilation system for real-time operational ocean forecasting. J. of Marine Systems, 25(2000) 1-22.

Donlon, C.J., Martin, M., Stark, J., Roberts-Jones, J., Fiedler, E., and Wimmer, W., 2012, The Operational Sea Surface Temperature and Sea Ice Analysis (OSTIA) system. Remote Sensing of the Environment. doi: 10.1016/j.rse.2010.10.017 2011.

John D. Stark, Craig J. Donlon, Matthew J. Martin and Michael E. McCulloch, 2007, OSTIA : An operational, high resolution, real time, global sea surface temperature analysis system., Oceans 07 IEEE Aberdeen, conference proceedings. Marine challenges: coastline to deep sea. Aberdeen, Scotland.IEEE.