The low had moved NE to be in the Bay of Biscay tightening isobars across the S UK.
Too many low pressure systems with closely packed isobars are stubbornly sitting in our path.
Second is the pressure chart showing the isobars in the South Atlantic.
At 0900 GMT pressure here was 1018 mb and with slack isobars there was little or no wind, what there was was S'ly.
The direction of the mean annual isobars shows that the normal wind in all parts of England and Wales must be from the south-west on the west coast, curving gradually until in the centre of the country, and on the east coast it is westerly, without a southerly component.