High 1025 hPa centered at 140 nautical miles in the West-South-West of the isles of Scilly moving at 22 knots to the East-North-East to be centered on the South-West of England.
For Noirmoutier-en-l"Île :
No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fairly clear skies progressively clouding over in the morning, good clear periods with lots of cloud in the afternoon. The risk of seeing rain will remain low. In the evening, good clear periods but lots of cloud, too.
Chance of light rain. SSW wind force 3 continuing all day. Gusts reaching 15 knots until the middle of the day. Smooth sea. Low, fairly long swell from WSW. Good visibility becoming excellent in the middle of the day then poor.