Low 988 hPa centered on the South-West of England moving at 15 knots to the North-North-East and rising to 994 hPa to be centered on the North of the Irish Sea.
For Heist :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Very cloudy. But clear spells will become more and more widespread. No precipitation. In the evening, good clear periods but lots of cloud, too.
No precipitation. S force 3 in the morning temporarily force 4 in the middle of the day. Gusts reaching 23 knots in the middle of the day. Smooth to slight sea. Low, short swell from W. Good visibility becoming excellent in the middle of the day.