https://consumerist.com/2017/09/07/3-things-you-should-do-if-hurricane-irma-cancelled-your-cruise/

Millions of Florida residents are battening down the hatches and evacuating in advance of the monstrous Hurricane Irma, which has already wrought havoc and devastation across many island nations of the Caribbean. But Florida is also a major travel and tourist destination for millions of visitors every year, whose plans to go to or through the affected areas are obviously going to be disrupted. So what are your rights and responsibilities if your vacation has to give way to the forces of nature?

Some islands, like St. Martin and Barbuda, have been completely devastated and will take years to rebuild; all tourist itineraries in the area will obviously be off the table for quite some time to come.