Low 995 hPa centered at 210 nautical miles in the South-South-West of Fastnet Rock (South-West Ireland) moving at 19 knots to the East and rising to 998 hPa to be centered on the center of France.
For Tréguier :
No gale warning.
We are 85% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Very cloudy skies with short clear spells. No precipitation in the morning, possibility of showers in the afternoon. In the evening, very cloudy skies becoming totally overcast.
Possibility of showers SE force 3 turning NE in the middle of the day then NNE. Gusts reaching 17 knots in the evening. Smooth to slight sea. Low, fairly long swell from WNW. Visibility reduced by mist becoming excellent in the middle of the day then good.