Specialist forecasts including wind, sea state and visibility for 13 sea areas within the North Atlantic region known as METAREA I.
The general synopsis at 20:00 UTC on 23rd May
At 231200UTC, low 65 north 31 west 984 expected 65 north 33 west 987 by 241200UTC. New lows expected 63 north 15 west 993 and 58 north 18 west 997 by same time