Low 1009 hPa centered on the South-East of the Bay of Biscay moving at 21 knots to the West-North-West and rising to 1014 hPa to be centered at 260 nautical miles in the South-West of Fastnet Rock (South-West Ireland).
For Port-Médoc :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Overcast skies clearing completely in the morning, changeable skies becoming relatively cloud-free in the afternoon. No precipitation. In the evening, light cloudy spells.
ENE force 2 in the morning temporarily ESE in the middle of the day. Gusts reaching 11 knots in the evening. Smooth sea. Low, fairly long swell from N. Visibility reduced by mist becoming excellent in the middle of the day.