Storm Éowyn as the M3 weather buoy off Mizen Head felt it, 23 to 24 January 2025. Overnight the pressure fell to 970 hPa, and the wind veered from south-southeast to west-southwest, reaching 25 m/s (49 knots) with gusts of 35 m/s (68 knots) around 01:00. The sea kept rising after the wind had peaked: the significant wave height went from 4.7 metres in the evening to 12.7 metres by 07:00, and at 09:00 the buoy recorded a single wave of 20.2 metres. The waves arrived from the west-northwest, with periods of up to 17 seconds.
Source: Marine Institute, Irish Weather Buoy Network, station M3. The sea surface is synthesised from the measured wave statistics
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