Passengers aboard a luxury cruise ship had a harrowing experience as 40-foot waves battered their vessel while crossing the Drake Passage — the notorious 600-mile-wide stretch of water separating Antarctica from the southern tip of South America.

The video showed the 342-foot ship struggling against the relentless waves, a common occurrence in the Drake Passage due to the convergence of the Atlantic, Pacific, and Southern Oceans.

A blogger said that waves towered 30 to 40 feet high. In the video shared online, you see the sliding across the floor, and the wall-mounted television swinging from side to side. The cruise company that operates the Ocean Explorer,