A young, fair-skinned woman, transformed into a mermaid, is the primary subject, positioned slightly to the left of the image's center. Her upper body is out of the water, with the lower half of her torso and tail implied beneath the waves. The mermaid's skin is a textured green, resembling scales, and her hair is replaced with flowing seaweed. She leans on a moss-covered rock formation amidst turbulent ocean waves. The environment is stormy, with dark, dramatic clouds overhead, and a lightning bolt illuminating the background. The mermaid gazes towards the right, her expression serene despite the chaotic surroundings. The composition is dynamic, emphasizing the contrast between the mermaid's calm presence and the storm’s energy. The image uses a blend of green and blue hues, creating a fantastical and slightly ominous atmosphere. The perspective is at a slightly low angle, enhancing the drama, with details like glowing sea creatures scattered in the water.