What determines the size of the water area for anchorages?

The size of the water area for anchorages is primarily determined by the type and size of ships requiring protection. This is because different vessels have varying dimensions, operational needs, and maneuverability requirements, all of which dictate how much space is necessary for safe anchorage. Larger ships, for instance, require more room to swing freely while at anchor, minimizing the risk of collisions and ensuring that there is sufficient clearance from the seabed and other structures. Additionally, the type of ship can influence the anchorage's design; for example, tankers and cargo vessels may have specific anchoring protocols to prevent hazards. Therefore, understanding the dimensions and characteristics of the vessels that will use the anchorage area is crucial for determining its size and layout.

In contrast, while the size of the mooring system, population density, and availability of tugboats can influence operations around the anchorage and support different logistical considerations, they are secondary factors relative to the primary need for sufficient space to accommodate the specific types of vessels anchored.