Wiktionary
surflike
a. Resembling surf (breaking waves) or some aspect of it.
Usage examples of "surflike".
The angry crackle and the surflike rising and falling roar of much unleashed magic was howling about the chamber like a full-throated winter storm, shaking the wizard's long-unused limbs.
The height of the waves increased, showing patches of clear water and making a more surflike noise.
It was only occasional, though, not the continuous, almost surflike roar it became when the action heated up.