Coos Bay is a bay on the southern Oregon coast at the cities of Coos Bay, North Bend and Charleston, a drowned-river estuary with a jettied entrance from the Pacific Ocean. The tide is mixed semidiurnal, with a mean range of 5.69 ft (1.73 m) at the Charleston, OR station.
- Type
- Bay
- Location
- Oregon, United States
- Setting
- On the southern Oregon coast at the cities of Coos Bay, North Bend and Charleston, a drowned-river estuary with a jettied entrance from the Pacific Ocean
- Tidal range
- The tide is mixed semidiurnal, with a mean range of 5.69 ft (1.73 m) at the Charleston, OR station.
- Notable
- Coos Bay is the largest deep-draft commercial harbor between San Francisco Bay and the Columbia River; the federal navigation channel is maintained by the US Army Corps of Engineers (USACE / Oregon International Port of Coos Bay).
