The ornamental design for an watermelonfloat, as shown and described.
FIG. 1 is a perspective view of a watermelon float in accordance with the invention.
FIG. 2 is a top view of the watermelon float in accordance with the invention.
FIG. 3 is a bottom view of the watermelon float in accordance with the invention.
FIG. 4 is a first side view of the watermelon float in accordance with the invention.
FIG. 5 is a second side view of the watermelon float in accordance with the invention, wherein the second side is opposite the first side.
FIG. 6 is a front view of the watermelon float in accordance with the invention; and,
FIG. 7 is a rear view of the watermelon float in accordance with the invention.
The larger type broken lines shown in FIGS. 1-7 are of various surface features of the watermelon float that form no part of the claimed design. The smaller type broken lines shown in FIGS. 1-7 represent stitching and are part of the claimed design.