(1) It is unlawful for operators of motorized commercial whale watching vessels to operate one-quarter mile from shore from Mitchell Point to Cattle Point on the west side of San Juan Island or within one-half mile of Lime Kiln Point State Park. Operators of nonmotorized commercial whale watching vessels must stay within one hundred yards of shore within this zone except when safety conditions preclude it.

(2) Modifications or additions to closed areas may be issued by the department by rule. Violation of such rules shall be unlawful.