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NOAA

National Bathymetric Source

Get the latest bathymetry

Data Sources
BlueTopo
GeoTIFF compilations of the best available public bathymetric data on a national vertical datum
Modeling
GeoTIFF compilations of the best available public bathymetric data on a low water datum
BAG
Bathymetric Attributed Grid files on a low water datum
S-102 v2.1
IHO S-102 version 2.1 on a low water datum
These data are for test and evaluation and should not be used for navigation
S-102 v2.2
IHO S-102 version 2.2 on a low water datum
These data are for test and evaluation and should not be used for navigation
S-102 v3.0
IHO S-102 version 3.0 on a low water datum
These data are for test and evaluation and should not be used for navigation

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