The ornamental design for a watercrafthull, as shown and described.
FIG. 1 is a perspective view of a watercraft hull showing our new design;
FIG. 2 is a second perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is an enlarged end elevation view thereof, the opposite end being a mirror image thereof; and,
FIG. 6 is an enlarged side elevation view thereof, the opposite side being a mirror image thereof.
The views of the watercraft hull not shown form no part of the claimed design. The broken lines depicting thwarts, deck features, gunwale features, and sidewall features represent environmental elements only, and form no part of the claimed design.