1/16/15 at 4:37am. A wave more than twice the size of a two story house was etected in Irish waters this morning - Coastal regions, counties Cork and Kerry. The wave, was the 2nd highest on record, was measured at the M3 Cork/Kerry buoy. The average Significant Wave Height at the buoy has been over 6m this month, making it a period of unusually high seas. But today, at 10:00am a wave measuring 16.9m (55 ft) was detected. Met Eireann reports that this is the second highest wave on record at the buoy behind the 19.1m (63 ft) wave recorded on January 27th 2013.