Low 1012 hPa centered at 110 nautical miles in the West-North-West of Fastnet Rock (South-West Ireland) moving at 11 knots to the East-South-East to be centered on the Celtic Sea.
For Roscoff - Vieux Port :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fog developing into low cloud during the morning, very cloudy in the afternoon. No precipitation in the morning, light showers in the afternoon. In the evening, very cloudy.
Light showers progressively becoming less frequent. SE force 2 in the morning temporarily NNE in the middle of the day. Gusts reaching 11 knots in the middle of the day. Slight sea. Low, long swell from WNW. Visibility reduced by fog becoming reduced by mist in the middle of the day.