The significant wave height, which is the record average wave, was recorded by the M4 Donegal Buoy measuring the wave of 15.7m at 11am this morning.
The previous average record was 15.2m recorded earlier this year on January 26th. The overall record wave is 23.4 metres.
The graphic shows today’s waves and their height set against a double decker bus.
The record wave was more than four times the height of a double decker bus.
For record purposes, Met Eireann records ‘Significant Wave Height’ which is the term given to the average height of the highest third of the waves over a period.