2012 Map of Port San Luis OE W

About this map

The vast expanse of the Pacific Ocean dominates this coastal maritime chart off the shoreline of San Luis Obispo County. Produced in the early 21st century by the U.S. Geological Survey, this quadrangle represents the open water and maritime approaches south of the central California coast. The map is almost entirely hydrographic in nature, focusing on the deep-water territory and the bathymetry implied by the shelf edge. Only a sliver of the rocky shoreline is visible along the northeastern margin, providing a precise spatial reference for the marine interface. This specific sheet serves as a critical spatial baseline for researchers studying the offshore environment and maritime corridors of the central coast prior to more recent ecological and navigational shifts.