The police and fire departments shall have the power to restrict or eliminate all
activities such as swimming, fishing, vessel operation and other water activities
in the ocean when there exists a strong likelihood of injury or damage to persons
or damage to property due to extreme high water, dangerous tidal conditions, severe
wind conditions, electrical storms, or the presence of sharks or other dangerous marine
life, or any other condition that presents a clear and present danger to those persons
in the ocean.