Presentations during the 52nd CERB meeting dealt with Pacific coastal and navigation challenges. Documented in these proceedings are summaries of presentations made at the meeting, discussions that followed these presentations, and recommendations by the Board. Hugo update; Review of State of California beach erosion on control activities; The Crescent City prototype dolosse study; Oceanside sand bypass system; Model studies of Redondo Beach King Harbor California; Hawaii's statewide system of commercial harbors; Barbers Point deep-draft Harbor, Oahu Hawaii, Los Angeles/Long Beach Harbors; LA/LB harbors model enhancement program; Update on dredging research program; Cost of California Storm and Tidal Wave Study Planners Handbook.