The curvilinear shape of Birch Bay’s shoreline resembles similar shorelines around the world that are shaped by the refraction or bending of waves to the lee of a nearby headland
Coastal Processes of the Whatcom County Mainland (dnr.wa.gov)Numerous natural erosional and depositional processes operate upon shorelines to create a diversity of coastal landforms. Waves are among the most important causes of this diversity as they remove, build, and shape beaches and sea cliffs.
