Too true, SST
Any awning, esp one in a windy area, is going to need some sort of stabilizing battens or poles to stay in place.. it also maximizes headroom beneath the awning out towards the deck edges.
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)