High 1021 hPa centered on Switzerland remaining almost stationary.Low 998 hPa centered on the South-West of England moving at 27 knots to the East-North-East to be centered on the center of the North Sea.
For Grandcamp-Maisy :
Warning moderate gale offshore.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Very cloudy in the morning, storms in early afternoon. Showers will gradually become less frequent during the afternoon. In the evening, good clear periods but cloud building.
Chance of light rain. SSW force 4 becoming SW force 5 in the middle of the day then WSW force 6. Gusts reaching 38 knots in the middle of the day. Smooth sea becoming smooth to slight in the middle of the day then slight. Low, short swell from NNW. Excellent visibility becoming excellent in the middle of the day.