Massive waves higher than houses are expected to lash Ireland's west coast over the weekend.
Authorities are warning fishing vessels, ships and walkers along the Atlantic coastline to be on their guard for the record swells, which will be more than 45ft high.
It is understood that low pressure near Iceland is causing the high sea levels and the surge, now on its way to Ireland, has sparked the warnings.
Dr Glenn Nolan, of the Marine Institute, said: "This is allowing waves to travel all the way uninterrupted to the Irish coast.
"It's quite unusual. The last time we would have had waves close to this height would have been in early 2005 and before that in 2000.
"It's not something that occurs on an ongoing basis."
Dr Nolan warned that the entire west coast, from Cork up to Donegal, will be affected.
The high seas come just weeks after the east coast of England braced itself for tidal surges, sparking flood fears and evacuations.
But Dr Nolan, manager of oceanographic services at the Institute, said that other than the presence of low pressure there was no link between the two events.
Bron: Sky News
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