Glad your parents are ok. Keep us posted as your learn more!
They said that a lot of the people on the boat were furious with the company before the wave hit. Apparently, they changed the itinerary to accomodate a photo op with Donald Trump, costing them a half day in some port, which screwed up some people's plans. It didn't make any difference to my parents though.
They said they had a great time. The cruise line is refunding half their money, plus providing a $1000 credit towards another cruise, and paid for a limo from the dock in Manhattan to their home in NJ ($240). Plus they had a news helicopter escort as they pulled into NY harbor, making them feel like celebrities.
They said that the best part was after the wave, the boat switched to open bar for the rest of the trip. Two and a half days of free drinking. The money they saved will help them pay for the next cruise!