Odysseus comes home to Ithaca at Phorcys Bay. It is described in Book 13:
There is in the land of Ithaca a certain harbour of Phorcys, the old man of the sea, and at its mouth two projecting headlands, sheer to seaward, but sloping down on the side toward the harbour. These keep back the great waves raised by heavy winds outside, but inside the benched ships lie unmoored when they have reached the point of anchorage. (13.96-103)
Odysseus Unbound identifies this as Atheras Bay.
Although Cape Atheras could conceivably be “a projecting headland” at the “mouth” of Phorcys Bay, it is less clear on the other side, where there is only a minor headland. Cape Katergaki is further round towards the east.
What really “keep[s] back the great waves raised by heavy winds outside” is something else: an island.
If Atheras Bay was Phorcys Bay, why did Homer, so scrupulous otherwise in his descriptions of landscape, not mention the island at its mouth, a feature that clearly plays a crucial role in providing shelter to the harbour within?
Perhaps Phorcys Bay was somewhere else?