This is the terrifying moment a man was nearly swept to sea by a giant wave as Storm Arwen battered the UK coastline.

People were filmed staring in awe at the enormous waves as they crashed up against the walls of the promenade in Scarborough, North Yorkshire.

But one man got a quick and cold shock when the surging water engulfed the path - and then him - as he ran for his life.

The man could be seen stood gripping onto a wall as the wave retreated, covered head to toe in white sea foam - but was branded an "idiot" online for getting dangerously close to the waves.

One user commented: "Idiot all it takes is half decent wave and your dragged 200 yards out."

Moments before the lethal waves nearly engulf people watching the coast from the promenade (

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facebook)

Storm Arwen has already claimed the lives of three men, who were killed by falling trees as winds of up to 98mph were recorded on Friday.

Popular headteacher, Francis Lagan, was believed to be driving with his wife and children when he was killed by an uprooted tree in Co Antrim, Northern Ireland.

A 35-year-old man in Aberdeenshire, Scotland, died when his pick up truck was struck by a tree, and a man from Lancaster was also killed as gusts ripped down trees in Cumbria.

The Met Office has warned Brits to brace for icy conditions in the next few days (

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met office)

The Met Office issued red weather warnings for wind in several parts of the country and police forces urged people to only travel if necessary.

Tens of thousands of homes were left without power and rail passenger and pub goers were left stranded as a result of heavy snowfall.

Punters at the Tan Hill Inn in the Yorkshire Dales are set to spend a second night sleeping on the pub floor after they were snowed in on Friday.

A car is held up by heavy snowfall in Buxton, Derbyshire (

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PA)

After driving up to the 17th century inn, which is the highest pub in Britain, many customers were left shocked to discover their cars completely engulfed in snow and had to bed in for the night.

Now the unrelenting weather conditions could see them forced to spend another night away from home as a fallen power line and heavy snow continues to block the main routes out.

Britain is bracing for even more wintry conditions in the weeks ahead with snow forecast again in the first two weeks of December and Met Office yellow warnings for ice in place until Monday.