High 1023 hPa centered on the center of France moving at 17 knots to the West and gaining strength to 1027 hPa to be centered at 150 nautical miles in the West-South-West of the Île de Sein.
For Plage de Portrieux :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fairly clear skies progressively clouding over in the morning, increasing sunny spells in the afternoon. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. W force 3 turning NNW in the middle of the day then becoming force 2. Gusts reaching 16 knots in the morning. Smooth to slight sea. Low, fairly long swell from N. Good visibility becoming excellent in the middle of the day then reduced by mist.
