Hi all a cast member friend of mind informed me that
They are coming up with different solutions... One being keeping tomorrow land open an additional 2 hours since you could enter and wait up to 4 hours.
As far as they can tell there will be no sneak previews scheduled to ride the attraction.
Nemo can only handle 18000 per operating day with a estimation show time of 14 minutes.
So these are the rumors I heard thought I would share