The video shows a large whale swimming in the ocean. The whale is seen from a distance, and the camera follows its movement as it swims through the water. The whale's body is mostly dark in color, with some lighter areas that reflect the sunlight. The ocean water is a deep blue color, and there are no other visible creatures or objects in the video. The whale moves slowly and gracefully, and its size is impressive compared to the vastness of the ocean around it.