The current record for the largest wave is 67ft, which was recorded 60 miles off Donegal in 2011 - meaning Megawave eclipses it by a stonking SEVEN feet.
Waves of 40ft were also recorded near the shore at Land's End as storms lashed the South-West, while residents were evacuated from their seafront homes.
A large part of the West Pier in Brighton was also destroyed by 70mph winds after supports on the structure washed away, splitting it in two.
And there is even WORSE to come - weather experts have warned that the STORM OF THE CENTURY is set to cause havoc in Britain on Friday night.
A fresh weather front is sweeping in from the Atlantic, bringing with it 3 inches of rain in the next 72 hours.
Severe warnings have been issued for torrential downpours across the south of Britain EVERY DAY until Saturday.
Residents have been warned to stay awat from coastal paths and roads as the flooding and high winds get even worse.
He said: "This is a very destructive and powerful storm heading towards the UK, capable of felling trees and damaging buildings."
"Once the initial band of rain comes in you are going to see severe gales that could bring potential issues with a risk of trees falling."
Severe flood warning issed by the Environment Agency indicate a "danger to life", with the South and South-West at the most risk of flooding
The warnings come as it is revealed that environment secretary Owen Paterson will not chair a meeting of the Government's Cobra emergency committee today.
The minister, whose response to the flooding crisis has been criticised, is to have surgery for a detached retina in his eye.
It is understood that communities secretary Eric Pickles will stand in for him.
