FIG. 1 is a perspective view taken from a front, left side, of a watercraft front bumper according to our design;
FIG. 2 is a perspective view taken from a rear, right side, thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a left side elevation view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
In the Figures, the dashed lines and unshaded surfaces are included to identify parts of the watercraft front bumper's appearance that form no part of the claimed design. The claimed design is intended to cover any physical, digital and virtual representation of the design illustrated in the figures.