High 1024 hPa centered on the North of the Bay of Biscay moving at 20 knots to the West-North-West and gaining strength to 1027 hPa to be centered at 160 nautical miles in the South of Fastnet Rock (South-West Ireland).
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is poor.
For the night from Friday to Saturday W force 3 becoming force 2 in the middle of the night then WSW. Gusts reaching 12 knots in the early part of the night.
Slight sea. Low, short swell from W. Good visibility becoming good in the middle of the night then good. Daytime of Saturday 19 september : The sky will remain very cloudy.
Very cloudy. But clear spells will become more and more widespread. No precipitation. In the evening, cloud and long sunny periods.
No precipitation. WSW force 3 in the morning temporarily force 4 in the middle of the day. Gusts reaching 17 knots from the middle of the day. Slight sea. Low, short swell from W. Poor visibility becoming excellent in the middle of the day then reduced by mist.