These are powerful dream omens that are messengers from the unconsciousness. Whales are unknown until the reach the surface (consciousness) as they encourage you to dive deep and explore the unknown aspects of your unconscious. They connect to the our intuition, inner guide, and psychic abilities as they use other senses to navigate. The while encourages you to explore your own unknown depths; resisting may bring forth a killer whale. In-depth analysis of Whale dreams
To see this big creature in the dream is a splendid dream is a splendid dream that signifies protective influence around you.
If you dream seeing the flukes of its tail, it portends freedom from worry will soon be yours.