Grays Harbor is a harbor on the central Washington Pacific coast at the mouth of the Chehalis River, with a jettied entrance between Westport and Ocean Shores. The tide is mixed semidiurnal, with a mean range of 7.01 ft (2.14 m) at the Westport station.
- Type
- Harbor
- Location
- Washington, United States
- Setting
- On the central Washington Pacific coast at the mouth of the Chehalis River, with a jettied entrance between Westport and Ocean Shores
- Tidal range
- The tide is mixed semidiurnal, with a mean range of 7.01 ft (2.14 m) at the Westport station.
- Notable
- The Grays Harbor entrance jetties, the first US Pacific coast jetty system, were built by the US Army Corps of Engineers between 1898 and 1916 and stabilized the entrance bar (USACE).