Low 997 hPa centered at 40 nautical miles in the North-West of Ouessant moving at 23 knots to the East-North-East to be centered on the South of England.
For Sarzeau :
Warning strong breeze offshore.
We are 85% sure of the situation, because the atmosphere might not be as stable as forecast.
Good clear periods but cloud building. No precipitation. In the evening, good clear periods but lots of cloud, too.
No precipitation. W wind force 5 from the middle of the day. Gusts reaching 32 knots. Moderate sea becoming slight in the evening. Low, fairly long swell from SSW. Excellent visibility.