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HYCOM.org provides access to near real time global HYCOM + NCODA based ocean prediction system output. The ocean prediction system runs daily at the Navy DoD Supercomputing Resource Center. Upon completion, these data are remotely copied to our local HYCOM.org servers for additional processing. Daily data is typically accessible within 48-hrs of the initial runtime.

This site also provides access to several other global and regional datasets. The data are in NetCDF format and can be accessed using OPeNDAP enabled clients. Click here for a list of pre-packaged OPeNDAP enabled clients. OPeNDAP URL's for all datasets are available from the HYCOM THREDDS Catalog.

Data Assimilative Runs:

  • GOFS 3.1: 41-layer HYCOM + NCODA Global 1/12° Analysis
  • Date Range: Jan-31-2017 to Present

  • GOFS 3.0: HYCOM + NCODA Global 1/12° Analysis
  • Date Range: 2008-09-19 to Present

  • GOFS 3.0: HYCOM + NCODA Global 1/12° Reanalysis
  • Date Range: 1992-10-02 to 2012-12-31

  • HYCOM + NCODA Gulf of Mexico 1/25° Analysis
  • Date Range: 2003-01-01 to Present


  • (NAVy Global Environmental Model)

  • (Navy Operational Global Atmospheric Prediction System)

  • (National Centers for Environmental Prediction Climate Forecast System Reanalysis