The ornamental design for a separatorpad for surfboards, as shown and described.
FIG. 1 is a right side elevation view of a separator pad showing my new design;
FIG. 2 is a top side perspective view thereof;
FIG. 3 is a bottom side perspective view thereof; and,
FIG. 4 is a view of a separator pad for surfboards shown in use with surfboards.
The broken lines in the drawings are for the purpose of illustrating portions of the separator pad for surfboards, which form no part of the claimed design.