Low 989 hPa centered at 230 nautical miles in the South-West of Fastnet Rock (South-West Ireland) moving at 21 knots to the South to be centered at 170 nautical miles in the West-North-West of Cape Finisterre (Spain).
For Saint-Denis-d"Oléron :
No gale warning.
We are 85% sure of the situation, because the atmosphere might not be as stable as forecast.
Good clear periods but lots of cloud, too. No precipitation. In the evening, cloudy spells, sometimes dense.
Risk of showers in the early hours. SW force 3 in the middle of the day turning SE force 4 in the evening. Gusts reaching 18 knots in the evening. Slight sea. Low, fairly long swell from WSW. Good visibility becoming good in the evening.