World's second-busiest cruise port remained open days before landfall from Category 5 Hurricane Milton. For Port Canaveral hotline, call 321-394-3411.

Hurricane Milton has, however, become a truly dangerous storm. Related: Royal Caribbean shares an urgent Hurricane Milton warning "Data from both Hurricane Hunter aircraft indicate that Milton has strengthened to a category 4 hurricane.

While Royal Caribbean Chief Meteorologist Craig Setzer's core job is helping the cruise line make decisions for its ships, he also has a greater responsibility to humanity. Meteorologists may not be doctors but in a time of dangerous storms, they do have a duty to keep people safe.

Royal Caribbean International adjusted the itineraries of various ships in its fleet due to the impact of Hurricane Milton. “Along with our Chief Meteorologist, Craig Setzer, we’re closely monitoring Tropical Storm Milton,

As Florida braces for the potential impact of Hurricane Milton, both Carnival and Royal Caribbean have taken precautionary steps to ensure passenger safety. With the storm expected to strengthen into a Category 3 hurricane,

Carnival Paradise and Virgin Voyages’ Valiant Lady are skirting the hurricane’s path as they head to Costa Maya.

That has led to a number of cruise lines including Carnival and Royal Caribbean issuing statements on the storm. Both cruise lines are making preemptive itinerary changes but the changes have only been minimal so far.