In November, in almost all regions - a dry season, suitable for recreation and snorkeling, including. All tourist islands have dive centers. Snorkeling can be practiced in Cebu (Moaboal), Palawan (Puerto Princesa), and also on the small islands of Anilão, Puerto Galera, Balikasag.

I would recommend View options on the islands of Cebu (Moalboal) or Balikasag. Excellent underwater world and accessibility from the coast. You can also see Indonesia - there will be the highest season for snorkeling. This is Manado and Wakatobi, Sulawesi.