The ornamental design for a personal watercraft frontfascia, as shown and described.
FIG. 1 is a perspective view taken from a front, right, top side of a personal watercraft front fascia according to our design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
Throughout the Figures, where shown, the dashed lines are included for the purpose of illustrating portions of the article which form no part of the claimed design.