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NOAA/PIBHMC 1-m Bathymetry: Guam: Apra Harbor

Published by Pacific Islands Ocean Observing System (PacIOOS) | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 27, 2026 | Last Modified: 2015-09-22T00:00:00.000+00:00
A 1-m resolution gridded digital elevation model (DEM) for the bathymetry (ocean depth) surrounding Apra Harbor on the west coast of Guam compiled from ship-borne multibeam sonar surveys. Data collected by the Pacific Islands Benthic Habitat Mapping Center (PIBHMC) in support of NOAA's Coral Reef Conservation Program. Not to be used for navigational purposes. For a grayscale hillshade image layer of this dataset, see "gu_pibhmc_apra_bathy1m_hillshade" in the distribution links listed in the metadata. For further details about this dataset, please see: https://www.soest.hawaii.edu/pibhmc/cms/data-by-location/cnmi-guam/apra-harbor/.

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