Gulf of Darien(redirected from Bay of Darien)
Also found in: Wikipedia.
Darien, Gulf of
a gulf in the southwestern Caribbean Sea, off Colombia and Panama. It extends 165 km into land and in its open section reaches a depth of over 2,000 m. The average annual water temperature at the surface is 26°C. Its salinity is over 36 parts per thousand. The tides are uneven, occur twice a day, and have an average height of 0.6 m. The narrow southern part of the Gulf of Darien is called the Gulf of Urabá.