The video shows a large whale swimming in the ocean. The whale's body is mostly submerged, with only its head and part of its back visible above the water's surface. The whale is moving slowly and gracefully through the water, occasionally breaking the surface with its head. The ocean is a deep blue color, and the waves are small and gentle. There is no other visible marine life or objects in the water. The video is shot from a distance, allowing for a full view of the whale's size and movements.