Boat trip Seattle to AK

My inlaws bought a 39' cabin cruiser in Seattle and we are going to motor it up to Homer, AK in May. I've never done the inside passage, but since different family members are getting on and off (at one point there will be 9 of us on the boat) space is an issue.

My wife is a pro photographer so I have a good amount of lenses to choose from. It'll be on a 5D3. And in my past travels around land I've brought a x100s with me and it's great except the autofocus is soooooo slow and since I have the pro cam I may as well use it.

What lenses would you bring? And I have a 17-40, would The 16-35 f/4 with IS be good for the rocking boat?

We don't have any wide primes, widest is 50, and I'm not opposed to picking up something.

You didn't tell us much about your photography or how much space you will have so, in order of priority, here's my list based on general photographic use and knowing a bit about Alaska:

1. 24-105mm general purpose zoom.
   
2. 16-35mm UWA zoom
   
3. 70-300mm or 100-400mm tele zoom (or 400mm or longer prime). Needed for Alaska's wildlife
   
4. 100mm macro
   
5. Solid tripod
   

The inside passage is beautiful. Make sure you are prepared for heavy rain and hopefully you won't get any. It can be quite wet at times.