I actually used to do that with one of our boats. It was small and I had the trailer landing timed right down ... dad didn't know whether to kill me, or invite friends to watch.
Yeah, looks like the nose drops about 5 or 10 feet beyond the side guides. It appears he needed the speed to maintain headway. I thought the hook and winch guys seemed pretty confident. Clearly not the firt time they've done that.
Those are beach launches/ retrievals in Alaska. may be to beat a incomming swell. They use big tire earth mover tractors in Anchor Point,AK second photo is a 8.5ft Pacific (Greenland) Sleeper shark. creepy!