This prophecy was completed, when the tribe of Zebulun had by lot assigned it the border of the sea. Joshua 19:10-11.
Related Commentaries of Genesis 49:11
Genesis 49:11-13
11 Binding his foal unto the vine, and his ass's colt unto the choice vine; he washed his garments in wine, and his clothes in the blood of grapes:
12 His eyes shall be red with wine, and his teeth white with milk.
13 Zebulun shall dwell at the haven of the sea; and he shall be for an haven of ships; and his border shall be unto Zidon.