California Code, Harbors and Navigation Code - HNC § 6302.5

(a) This section is applicable only within the Santa Cruz Port District. The Legislature finds and declares that this section is necessary to meet a serious danger to the public safety within the Santa Cruz Port District caused by surfriding activities within the harbor entrance area.

(b) No person shall swim or surfride, or use any watercraft or device to surfride, on ocean waters within a harbor entrance area, as prescribed by the Santa Cruz Port District by ordinance.

(c) For the purposes of this section, “surfride” includes traveling to or from a surfriding staging area and activities in the staging area which are preparatory or preliminary to, or connected with, riding the surf.

(d) Every person who violates this section is guilty of a misdemeanor, and shall be punished by a fine not to exceed five hundred dollars ($500).