If a storm is threatening the area a ship was scheduled to sail to, cruise lines will reroute the ships if the forecast is severe enough. While cruise ships can typically outrun most storms, passengers may still experience rough seas as their ship skirts the edges of a weather system.

When a hurricane or tropical storm is detected, cruise lines follow a proactive protocol centered on evasion rather than endurance. Unlike buildings on land, cruise ships are mobile and can travel at speeds of 20+ knots, allowing them to simply "outrun" or navigate around a storm's path. Every major line in 2026 employs dedicated meteorologists who monitor satellite data 24/7. If a storm threatens an itinerary, the Captain will reroute the ship—often switching from an "Eastern Caribbean" route to a "Western Caribbean" one to stay in calm waters. If a storm sits over a planned port of call, the ship will simply spend an extra day at sea or visit an alternative island. Cruise ships also utilize massive underwater stabilizers (like airplane wings) to minimize rocking in choppy peripheral seas. The only major danger is the port itself; if a hurricane is hitting the ship's homeport on embarkation day, the cruise may be delayed, shortened, or canceled entirely. However, once a ship is in the open ocean, it is one of the safest places to be, as it has the freedom to move toward clear skies and sunny weather.