"And some Bucc pilots apparently said if they went low level to the point where they were skimming the sea/ground, the aircraft would ride its own pressure wave."
The same used to be claimed (by some) of the FRADU T22 Camberras.
One of my school pals who went on to be an apprentice with Airworks / Flight Refuelling reckoned the things followed the waves so well they needed barf bags for sea-sickness. The pressure wave supposedly followed the sea waves...