Low 988 hPa centered to the West of Scotland moving at 10 knots to the East and rising to 994 hPa to be centered on Scotland.
For Calais :
Warning strong breeze offshore.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Overcast in the morning, very cloudy with possibility of thunder storms in the afternoon. Showers all day. In the evening, storms developing.
Showers. S force 5 in the morning turning WSW in the evening. Gusts reaching 31 knots in the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from W. Excellent visibility becoming excellent in the middle of the day then excellent.