You missed something: the flooding will occur at the same time the ebola is unleashed involving storms and possibly a "continuous tsunami":What do I win?
It seems to me the chances of survival are significant.
Anything that floats will defeat the flood. Even tankers, as your picture of the girl from Water World revealed. Even fishing boats.
Here's another... A jet ride to Asia, since Asia will have some sort of water repellent. Duh! :slaps forehead: The Great Wall of China!
But, if you're set on cruise ships, here is a guide Speed 2: Cruise Control
Team? Here you are on the internet spewing your plans to anyone willing to watch a video (and a sequel to follow). My team will let your team draw all the attention allowing my team to move below their notice.
Loose lips sink ships. I've said enough.
By the way, after you leave for your shelter, can I have your stereo?
https://edition.cnn.com/world/live-...0-intl-hnk/h_b48885d9e2839b18025e9c96021a4e18
https://www.theguardian.com/world/2...g-tsunami-of-coronavirus-patients-overwhelmed
Everything is covered in the video, and it won't be as simple as using any kind of raft - particularly if we are part of a game being played by somebody who lacks empathy.