Low 956 hPa centered at 80 nautical miles in the South-South-West of the isles of Scilly moving at 9 knots to the North and rising to 965 hPa to be centered on the Celtic Sea.
For Plage des Ammonites :
Warning strong breeze offshore.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Good clear periods alternating with cloudy spells, sometimes more dense in the afternoon. No precipitation. In the evening, very cloudy skies to overcast.
Chance of light rain. SE force 4 in the morning temporarily SSE force 5 in the middle of the day. Gusts reaching 30 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from NW. Excellent visibility.