This page lists the predicted thermal updraft speed in feet per minute for the three main flying days. Each one is clickable to the forecast and has been cut to only show the south east.
You can create your own specific images using this web page, which has details on how to do it.
For the other days of the week, click to "page two" using the link at the bottom of this page.
Today - 1100-1300-1500-1700 Note that this is the run for today (which can be any day of the week). Specific days of the week tend to be forecast 24 hours in advance, whereas the today forecast was done this morning.