The Rocks will now face Peacehaven in the final at the Amex.
To watching some of the highlights from the semi-final - including two of the goals - click on the video.
Bognor 3-0 Horsham YMCA: Sussex Senior Cup highlights
Bognor reached the final of the Sussex Senior Cup for the second year running by seeing off County League side Horsham YMCA 3-0 in their semi-final at Whitehawk on Thursday night (April 24).
