NOAA Shoreline Website

A Guide to National Shoreline Data and Terms

Access Federal Shoreline Data

Shoreline Potential
Applications
Scale Source Coverage Tidal Datum
NOAA OCS Shorelines Cartographic Representation and Boundary Determination National
1:10,000 – 1:80,000
NOAA Nautical Charts Continental U.S. + AK, HI, PR, VI, Great Lakes MHW and MLLW
NOAA Medium Resolution Shoreline Cartographic Representation and Boundary Determination National
1:70,000 average
NOAA Nautical Charts Continental U.S. only MHW or MHHW
NOAA Continually Updated Shoreline Product Shoreline Change Analysis, Shoreline Change Analysis, Cartographic Representation National
1:1,000 – 1:24,000
NOAA National Shoreline, lidar, imagery Continental U.S. + AK, HI, and U.S. Territories MHW
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