Low 1008 hPa centered on the South-East of the Bay of Biscay moving at 24 knots to the West and dropping to 1005 hPa to be centered at 310 nautical miles in the West-South-West of Fastnet Rock (South-West Ireland).
For Plage de la Grève Blanche :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sunny spells with possibility of mist forming in the morning, storms developing in the afternoon. No precipitation in the morning, showers late in the day. In the evening, storms developing.
Showers. SSE force 3 turning ENE force 4 in the middle of the day then E. Gusts reaching 21 knots in the evening. Smooth to slight sea. Low, fairly long swell from WNW. Poor visibility becoming excellent in the middle of the day.