High 1025 hPa centered on the North of the Bay of Biscay moving at 19 knots to the West to be centered at 150 nautical miles in the West-South-West of the Île de Sein.
For Landunvez - Argenton :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable to very cloudy. No precipitation. In the evening, clear spells, risk of mist forming.
No precipitation. WSW force 2 in the morning turning NNW in the evening. Gusts reaching 11 knots in the morning. Slight sea. Low, fairly long swell from NW. Visibility reduced by mist temporarily in the middle of the day.