Winds will be what the region needs to be most concerned about. As of 1 p.m. the storm was about 50 miles south of Naples, Florida with maximum sustained winds of 130 mph.
In the Disney World area you can expect 70 to 85 mph winds from 5 p.m. Sunday, Sept. 10 to 2 p.m. Monday, Sept. 11.
Windy.com is a wind and and weather forecast app and site. Here is the animated version of Hurricane Irma.