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Please note that it is aimed that the current GEBCO download application will be updated at the beginning of February 2026.
We are replacing the current application with the beta release app - available at https://betadownload.gebco.net
The URL for the download app will stay as https://download.gebco.net
In addition to access to bathymetric data for user-defined areas from GEBCO's global 15 arc-second interval and polar projection grids, the new application allows users to explore and download multi-resolution bathymetry data for selected regions in the waters surrounding Australia, New Zealand, and the Hawaiian islands.
Data are available in NetCDF, GeoTIFF, and ASCII formats.