They'll be OK. They're probably hiding in a closet about now, which is no fun, but they'll be OK. The storm is moving too fast to really cause much flooding, and flooding is what really kills large numbers of people. The winds kill very few unlucky people. They just scare heck out of the rest of us.
Anderson Cooper is on Marco; actually they're getting some surge from the N rising very quickly right now.....but it's not going to be extremely high.