Castle-Yankee54
Celestial
Crap!
Terrifying 20m-tall 'rogue waves' are actually real
I also just listened to Astonishing Legends treatment of the Flannin Isles Lighthouse. These things scare the s*** out of me. I'll stick to land, thanks, and not too close to shore.
The biggest ones are closer to 30 meters and likely bigger.