3 weeks to 1 month.

1 to 2 weeks. I doubt that E3 will change anything on the short term.

i think next week...
89,000

Week starting June 22nd. Which means Wii U will be above 100k for 4 weeks, or a month.

This week I expect a minimal/stable drop considering the HW bundle was only available for such a short time last week. After all the hubaloo we should start to see some more drastic drop-offs, something in the vein of -30k every week.

if wii u keeps several weeks above 100k, it will pass ps4 in some of them.

The week after next. We shouldn't forget it got a boost of 600%. Staying at 100k would be maintaining a 330% boost. Which console ever did that 2 weeks after the system seller was released?

It all depends on E3. The Mario Kart 8 should maintain itself through this week, since I doubt all the people(casuals, and those who didn't had the money at the moment or were payed in those days) got it on Friday or Saturday, so it should carry to this week. The Luigi Death Stare meme and videos, should also help spread the news that the game exists, and it should help maintain numbers, its appearance in Fox 5 News should also help a bit.

If Nintendo can bring a great E3, with some awesome news, and reveal stuff, that people have been asking for ages, it should be enough to maintain another week of sales, and maaaaaybe, along the Mario Kart 8 effect, give atleast a 55-60k weekly baseline to the console.

1-2 weeks, hopefully more but im not counting on it

One to two weeks.

In 2 more weeks it'll be below 100k again.