The video shows a large whale swimming in the ocean. The whale is mostly submerged, with only its back and tail visible above the water. The water is a deep blue color, and the whale's skin is a dark gray color. The whale's tail is large and powerful, and it moves with great force, causing the water to splash around it. The whale's back is smooth and shiny, and it appears to be healthy and well-fed. The video captures the whale's movements as it swims through the water, showcasing its grace and power.