The video shows a seal swimming in the ocean. The seal is seen gliding through the water, with its flippers moving gracefully. The ocean water is clear, and the seal's body is visible in detail. The seal appears to be alone, with no other marine life visible in the frame. The seal's movements are smooth and effortless, and it seems to be enjoying its time in the water. The video captures the beauty and tranquility of the underwater world, with the seal as the main focus.