Ships are equipped with very sophisticated weather tracking equipment and they are also in constant communication with critical weather resources. They would always choose to avoid a hurricane, rather than confront one. You can count on the fact that a ship may change itineraries, but will always choose to show their guests the best possible experience.
Welcome to cruise-chat ShortyToo! I have to agree with Tom here, and if you do some checking you will find that very few cruise ships actually feel the effects of a hurricane. I tell my clients to look at it this way, you may miss one of the ports of call, but you are actually safer on a cruise ship during a hurricane than stuck at a land resort where a hurricane is bearing down and unable to get out of there. I also tell them to do a search and let me know how many ships are actually "blown out of the water" during a hurricane. Usually this calms them right down, they state that this is so true. Go ahead and plan your cruise, you and your grandkids will have a great time.
I agree with most of what Tom and Carol have stated, exept that the cruise ships are equipped with a "sophisticated" weather tracking equipment. During one of my recent cruises I had the chance to visit the bridge and saw the "weather tracking equipment", which consisted af a few low quality (hardly readable) faxed weather maps. A discussion with the reponsible officer showed me that his knowledge on meteorology and "sophisticated" weather tracking systems was exteremely poor (I am meteorology professor). Even via today´s open internet pages you get m u c h better weather information than available on that ship. Fortunately the cruise ships are guided by the cruise line head quarters who are in contact to e. g. the U.S. National Hurricane Center.
Due to this guidance the routing is kept safe, so that during the hurricane season it is really better to spend the vacation on a ship rather than to be trapped in a hotel at the Caribbean coast.
I was on the "Sensation", departing out of Tampa, Aug 12, before Hurricane Charley hit the next day, south of Tampa. I had heard that the waters, on the out-skirts of a hurricane are very smooth. I did not take a chance. I had enough dramamene to keep an elephant from getting sick. Well, the water story was true. I've been on many cruises and the water, on this cruise, was the smoothest I had ever been on. Like a swimming pool.
1987 Mardi Gras
1988 Emerald of the Seas
1990 Mardi Gras
2005 Splendour of the Seas (March)
2005 Inspiration (April)