High 1027 hPa centered at 150 nautical miles in the West-South-West of the Île de Sein moving at 14 knots to the North-East and gaining strength to 1030 hPa to be centered off Breton Cape.
For Saint-Pierre-Quiberon :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies very cloudy to overcast in the morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds.
ENE force 3 turning WSW in the middle of the day then NNW. Gusts reaching 13 knots in the evening. Smooth sea. Low, fairly long swell from S. Visibility reduced by mist becoming excellent in the middle of the day then good.