I'm gathering information, of course the captain has final say, and certainly we will follow their lead. But they did put it out to me, and since I think there are a lot experienced and well-traveled divers here, I wanted to hear what other had to say too.
'Someone' told me the charter boats are required to set an itinerary with the Maldivian government and they cannot deviate from it. So I am not so sure if the captain will have an exact say in the general area as I am not dealing with him right now, and once we get on the boat I suppose it will be too late. But yes, since the boat agent asked what areas we wanted I am going to assume they do not feel there is a real weather difference between the two for May. But if someone reading my comment here disagrees I want to know, so I can then be more firm/knowledgeable in my discussions with the agent as to what would be best for us prior to our travels.