Seaweed Map 2025. The map above shows sargassum density in the central atlantic ocean (including the caribbean sea and gulf of mexico) for march 2023. I was trying to see in 2023 when the beach was full of it.

The map above shows sargassum density in the central atlantic ocean (including the caribbean sea and gulf of mexico) for march 2023. Sargassum is a species of seaweed that grows in the sea, some species form a huge population and drift around.