If you've been swimming all your life and have competed at all levels in an indoor pool, you probably already know how exciting it can be for a swimmer to change lanes in a pool for the immense ocean waters, without limits and totally exposed to the climatic changes of the high seas. It is impossible for a pool swimmer to succeed and adapt to swimming in open water? Of course not, everything is possible with good preparation. However, at first the change can be overwhelming and cause more than one problem among beginner swimmers of this demanding modality of swimming.