Well, he did it with some help, of course.

Slater announced on Instagram Friday that he and his team of scientists and engineers have designed and successfully built a prototype of "truly world-class, high-performance, human-made waves."

The project came to fruition after 10 years in the making, he said.

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"Through rigorous science and technology, we’ve been able to design and build what some said was impossible, and many very understandably never thought would actually happen," he said.

The details of the project will be revealed over time, but Slater shared the initial news with a video of him riding the first wave prototype, which was filmed two weeks ago.

Watch it below:

(Mobile users can click here to watch it on Slater's website.)