As used in this article, the following terms shall have the meanings indicated:
The area of any body of water adjoining the shoreline in which the wave action is increased or accelerated by reason of the decreasing depth of water approaching the shoreline; for the purposes of this article, shall include all areas between the shoreline and the outer limits of such wave action in the Atlantic Ocean.
A device of any rigid, buoyant material exceeding four feet in length or exceeding 10 pounds in weight or equipped with a ski, designed or suitable for the sport of surfing or surf riding.
The practice or sport of riding upon a surfboard in the surf.