I have added a link to the windyty forecast, localised to Blackheath, to the weather page.
Windyty Blackheath
This is a similar forecast to the blipmap, but has a nice rain prediction feature that has been holding up pretty well considering how difficult rain is to predict.
Keep in mind that Blackheath is located right on the boundary of two forecast areas in the computer model, so it is better to look a little further west for a wind speed indication.