The video shows a seal swimming underwater in a greenish ocean. The seal is seen swimming through the water, surrounded by seaweed. The seal appears to be exploring its surroundings, moving its flippers to navigate through the water. The seaweed is swaying gently in the current, creating a serene underwater scene. The seal's smooth, streamlined body is visible as it moves effortlessly through the water. The video captures the beauty and tranquility of underwater life, with the seal as the main focus.