From 9am this morning, we are told that Mr Ainslie will be bringing a special version of his boat Rita to London to sail the Thames in front of the Houses of Parliament, and the best place to see him will be on Westminster Bridge and along Victoria Embankment between the House of Commons and Westminster Pier. It seems fitting, not least because the boaters spent all the Olympics in Dorset.
For more, see http://www.yachtsandyachting.com/news/165230/Celebrate-Ben-Ainslies-success
Update - After your author wrote this article, he was by coincidence contacted by a pr company who offered to let him go on a boat and watch. Though weak will meant this offer was accepted, it had no impact on the article being published here.