This data release provides surficial seafloor characteristics point data across the Gulf of Alaska for spatial extent: West longitude -154.586589; East longitude -136.067554; North latitude 60.899214; South latitude 56.230582, as digitized directly from NOS smooth sheets published from 1892 to 2001 and archived at the National Geophysical Data Center’s online data portal (NDGC, http://www.ngdc.noaa.gov).