All vessels over sixty-five feet shall proceed at a rate of speed (except in case of emergency) commensurate with safe navigation and slow enough so as not to cause damage to other vessels and property.
Vessels under sixty-five feet may proceed at a rate of speed not to exceed ten nautical miles per hour.
Nothing in this section shall preclude harbor masters from setting a different rate of speed to meet special conditions.
Haw. Code R. § 19-42-85