Generally, the pool temperature will be around 80F. However, you may be in the water for several hours at a time, so to avoid getting cold, we usually find that most people are comfortable wearing a full 3mm wetsuit. Training dives for the PADI Advanced Open Water Diver, PADI Divemaster and Specialty Instructor courses are conducted from a boat in the ocean. From November to February, the temperature is in the low to mid 70s, while from March to October, it is usually in the high 70s or low 80s.