Birch Bay is a headland bay created by the refraction of incoming waves on the headlands that lie on either side of the bay.
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
A hornet of unknown caste was reported in August 2020, in Birch Bay, and another was trapped in the same area the following day.
Northwesterly waves travel down Georgia Strait and are refracted around Birch Point into Birch Bay. Waves sweep counter-clockwise around Birch Bay transporting beach sediment in the same direction.
Birch Bay, Washington (Wikipedia) Birch Bay is a protected bay of the east shore of the Salish Sea, between Semiahmoo Bay and Lummi Bay; approximately 100 miles (160 km) north of Seattle and 35 miles (56 km) south of Vancouver, BC, Canada.
