Waterfront restrictions for bathing beaches shall be posted and shall include the following language:
"No motorized vehicles, except emergency and maintenance vehicles, shall be permitted in the bathing area during its use."
"No boating, water skiing, sailboating, windsurfing, scuba diving, use of personal watercraft, or surfboarding shall be permitted in the swimming and bathing area while in use."
N.J. Admin. Code § 8:26-5.14