What are the sailing months in Greek waters?

Clients looking to avoid the crowds start as early as March or April. The water is still a bit cold. The main season spans over the summer, with the high season starting May-June. There is a strong Meltemi wind in August and September, affecting mainly the Cyclades. Some clients come specifically for this wind, others avoid it. October- fewer people but colder. There have been some November charters, there are locations that do make sense…