This WindyTV animation sequence for the low pressure system #StormÉowyn currently crossing the Atlantic has it deepening from 1004 millibars right now (Wednesday 19:00) and falling to 936 by midnight on Thursday.
You wouldn't want to be anywere near the Porcupine Bank west of Irelan in the next 24 hours - this VesselTracker AIS chart shows that there are plenty of mainly Spanish liners and trawlers there at the moment.