DAVID COTTRELL stood on what used to be a 14-foot-high cliff at the crumbled end of Blue Pacific Drive. Just a few years ago, this was the fastest-eroding shoreline on the U.S. Pacific Coast; locals here in North Cove, Washington, dubbed it “Washaway Beach.” But as Cottrell walked toward the water on a sunny November morning, he stepped not off a cliff but onto soft, dry sand. Thigh-high dune grasses sprawled in all directions. The low tide lapped at a flock of sandpipers a few hundred feet away.
Cottrell, a cranberry farmer and local drainage commissioner, held up a laminated map, pointing to our location. During his childhood, this was part of a dense beachside neighborhood, but the tides have swept most of it away — a complex phenomenon related to dams and jetties that have changed the flow of sediments. “Where we’re standing right now, we were losing 50 to 100 feet