Nikouria Cavern (Agios Pavlos)

The cavern sits on the east side of Nikouria islet, in the channel between the islet and the northwest coast of Amorgos, with its only real fetch window across the NE-to-N arc onto the open Aegean. The Amorgos mainland close to the SE and S (Agios Pavlos beach lies about 0.6 km to the S) blocks the whole E-through-SW sector, so Scirocco and Ionian-style S-SW seas cannot build here. The summer Meltemi (N-NW) reaches the entrance through the northern part of that window, and a short WSW bight fetch is what builds surge at the wide lower entrance when SW-W winds get up; the bulk of the islet to the W and NW otherwise shelters the site.