BlueTopo

BlueTopo

NOAA’s National Bathymetric Source Program

Overview

BlueTopo is a compilation of the nation’s best available bathymetric data. In the same way that topographic map details the height of land, BlueTopo details the depth of lake beds and seafloor beneath navigationally significant U.S. waters. Created as an extension of the Office of Coast Survey’s nautical charting mission and the National Bathymetric Source program, BlueTopo is curated bathymetric source data that provide a definitive nationwide model of the seafloor and navigational lakes.

Features

• Compiled Bathymetry for the United States.
• Metadata concerning source information and quality metrics.
• Available through a web viewer and with WMTS web services at nowCOAST
• Available for download from AWS – download tool now.

Tool Screenshots

Contact

Please visit the FAQs page prior to contacting with questions using the Office of Coast Survey ASSIST webpage.