If they fit into your cockpit locker, (apparently they do) do you have space on the inside of the cockpit wall to make a rack (or a canvas bag) so they are hanging just below the lid?
Alternatively will they fit in a sleeve attached to the underside of the cockpit locker lid itself?
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)