Low 994 hPa centered at 190 nautical miles in the West-South-West of Fastnet Rock (South-West Ireland) moving at 31 knots to the East-North-East to be centered on the South of the Irish Sea.
Für Plage de Postolonnec :
Warning moderate gale offshore.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Very cloudy with risk of thunderstorms in the morning, skies clearing but storms likely in the afternoon. Showers all day. In the evening, good clear periods but cloud building.
Chance of light rain. SW force 4 turning W force 5 in the middle of the day then WNW. Gusts reaching 38 knots in the middle of the day. Slight sea. Low, fairly long swell from NW. Excellent visibility.