The video shows a large whale swimming in the ocean. The whale is dark in color and is moving slowly through the water. The ocean is a deep blue color, and the waves are small and gentle. The whale's body is sleek and streamlined, and it appears to be a humpback whale. The whale's tail is visible as it moves through the water, and its dorsal fin can be seen sticking out of the water. The whale is the only visible creature in the video, and it seems to be swimming alone.