The Prince William Sound Area has as its western boundary the longitude of Cape Fairfield (148° 50.25' W. long.), as its eastern boundary the longitude of Cape Suckling (144° W. long.), and as its seaward boundary the 400-fathom (732 m) depth contour.

(In effect before 1988; readopt 5/15/93, Register 126; am 9/4/97, Register 143; am 3/11/2001, Register 157)