Please note: Due to a system outage, many NCEI systems and data access are currently unavailable. We apologize for any inconvenience.
Seafloor Mapping
NCEI and the IHO Data Center for Digital Bathymetry (DCDB) archive and share depth data acquired by hydrographic, oceanographic, and industry vessels and platforms during surveys or while on passage. These data, which are used in several national and international mapping bathymetry projects, are free to the public with no restrictions.
To submit bathymetric data to the archive, please review our instructions for contributing data. Contact mb.info@noaa.gov for more information.
Access Tools
Grid Extract
This interactive map gives access to combined bathymetric and topographic data, including the ETOPO Global Relief Model.
AutoGrid
Use this application to create grids and maps from multibeam bathymetric data.
IHO Bathymetric Data Viewer
Use the IHO DCDB Bathymetric Data Viewer to access DCDB's bathymetric data holdings, as well as the spatial extent of data archived at other repositories.
Marine Geophysical Data Search
Browse the NCEI archive via a text search interface for water column sonar, multibeam bathymetry, trackline geophysical and National Ocean Service (NOS) hydrographic data.
NCEI Bathymetric Data Viewer
Use this interactive map to search and access bathymetric data, including multibeam, singlebeam, lidar, and crowdsourced bathymetry data.