Hell, people have done longer, rougher trips on lesser boats, I suppose.... It will likely as not come down to your own tolerance and abilities assuming the boat itself is otherwise sound and well-prepped.
1984 Fast/Nicholson 345 "FastForward"
".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)