The Alabama State Port Authority through its Harbor Master and deputy harbor masters shall have full power to regulate shifting, removal, anchorage, berthage, and moorage, and the position of all vessels, rafts, and other watercraft while in the harbor and port, as defined in this chapter, and their movements into and out thereof, and to require vessels to accommodate other vessels as the circumstances warrant, and as the general convenience, safety, and good order may require, with the actual shifting of such vessels to be performed by duly licensed harbor pilots only within the limits of the Mobile inner harbor as defined in Section 33-3-1.