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Release of the GEBCO_2023 Grid

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  • IOC of UNESCO Logo

The GEBCO_2023 Grid is now available

The GEBCO_2023 global bathymetric grid

A new release of the global GEBCO bathymetric grid is now available to download.

This is the fifth GEBCO grid developed through the Nippon Foundation-GEBCO Seabed 2030 Project.This is a collaborative project between the Nippon Foundation of Japan and GEBCO. The aim of the project is to map the global sea floor by 2030.

GEBCO's grids can be downloaded as a global file in netCDF format or for user-defined areas, through our download app, in netCDF, data GeoTiff and ESRI ASCII raster formats.

Read Seabed 2030's press release to find out more about the release of the data set.

Find out how to contribute bathymetric data sets to help update the global GEBCO grid.

GEBCO's aim is to provide the most authoritative publicly-available bathymetry of the world's oceans. It operates under the joint auspices of the International Hydrographic Organization (IHO) and the Intergovernmental Oceanographic Commission (IOC) (of UNESCO).

Find out more about GEBCO's work and data sets.

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