Low 1008 hPa centered on the South-East of the Bay of Biscay moving at 7 knots to the North-West to be centered on the North of the Bay of Biscay.
For Carantec :
No gale warning.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
For the night from Saturday to Sunday ESE force 2 turning S force 1 in the middle of the night then NE. Gusts reaching 11 knots in the middle of the night.
Smooth to slight sea. Low, short swell from N. Poor visibility becoming poor in the middle of the night then reduced by mist. Daytime of Sunday 11 may : Remaining unstable all day.
Overcast with reduced visibility in the morning, very cloudy with possibility of thunder storms in the afternoon. Showers will be frequent and heavy. In the evening, very cloudy with risk of storms.
Showers becoming less frequent. ENE force 1 turning N in the middle of the day then WNW force 2. Gusts reaching 13 knots in the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, fairly long swell from NNW. Visibility reduced by mist becoming good in the middle of the day then poor.