High 1024 hPa centered on the South-East of the Bay of Biscay moving at 6 knots to the West-North-West and weakening to 1021 hPa to be centered at 100 nautical miles in the South-West of the Île de Sein.
For Trestel :
No gale warning.
We are 90% sure of the situation, because flows might be far more disturbed than forecast.
In the evening, very cloudy.
No precipitation. W wind force 3. Gusts reaching 19 knots in the evening. Slight sea. Low, short swell from NW. Poor visibility.