The ornamental design for a hull for catamarantype windsurfing vessel, as shown and described.
FIG. 1 is a perspective view, showing in broken line for purposes of background the sail assembly and the rudders used with the hull design of the invention.
FIG. 2 is a top view of the hull of FIG. 1.
FIG. 3 is a bottom view of the hull of FIG. 1.
FIG. 4 is a front view of the hull of FIG. 1.
FIG. 5 is a rear view of the hull of FIG. 1; and,
FIG. 6 is a side view of the hull of FIG. 1, the opposite side view being a mirror image thereof.
The broken lines are for illustrative purposes only and form no part of the claimed design.