Low 988 hPa centered at 180 nautical miles in the West of Fastnet Rock (South-West Ireland) moving at 11 knots to the East and dropping to 984 hPa to be centered to the South-West of Ireland.
For Grève de Pors Pin :
Warning fresh gale offshore.
We are 80% sure of the situation, because the strength of the precipitation is difficult to assess for this type of disturbance.
Very cloudy skies becoming totally overcast. Rain. In the evening, very cloudy skies to overcast.
Light rain gradually becoming less frequent. S force 5 in the middle of the day becoming SSW force 4 in the evening. Gusts reaching 40 knots in the middle of the day. Slight sea becoming smooth to slight in the evening. Low, fairly long swell from SW. Excellent visibility.