Canceled last year, the Tampa Boat Show is scheduled for Sept. 10-12 at the Tampa Convention Center in Florida.
Attendance was up 6 percent for the show, which had been rescheduled because of inclement weather.
Worried about Hurricane Dorian, NMMA moves the event to October 25-27.
Organizers said attendance at the Progressive Insurance Tampa Boat Show was up 25 percent.
The Progressive Tampa Boat Show attracted 17,650 visitors, a 6 percent decrease from 2014.
The Progressive Tampa Boat Show opened with a record VIP reception at the on-water portion of the show Thursday night.