Tom Sawyer Island - limited hours?

Hi everyone! I’m making a custom touring plan for 8/1/17. The personalized touring plans tool lists TSI as being open until 7:30 pm, but on MDE it’s showing hours for TSI will only be 11:00 am to 5:00 pm…

Any thoughts on whether there’s a possibility that TSI hours might be adjusted to have it open longer? Or are they closing TSI early due to Riverboat refurb or some other reason?

Every time I have been to MK Tom Sawyer Island closed just before dusk. In April it was close to 5pm ish…