1. United States--west coast, Washington, Rosario Strait, southern part Yale Public content 1992. 2011-11-22T17:42:38Z. 2015-10-21T15:06:21Z. United States. National Ocean Service. The Service. English. Public. Rosario Strait (Wash.), Juan de Fuca, Strait of (B.C. and Wash.), and Pacific Coast (Wash.).