According to Jodrell Bank, they're saying The peak activity is expected to be around 21:50 on the night of the
17th when the rate might easily exceed 100 metors per hour. If clear this is really well worth looking out for!
Oops... So I'm a day late - sue me!
I'm assuming that's UK time. A friend of mine saw 3 this morning (from the Midlands) about 6am. The best views are in the US and the Far East, but we should still be able to see some, especially if it stays clear.
Look towards Leo if you can find it