The storm surge evidently hit Hong Kong far harder in the west than in the east (at Sai Kung, not much more than a whole load of lap sap floating in the typhoon shelter).
News report from Chinese language tv showedTai O, Lantau, during the storm surge (inc intrepid reporter up to his chest in water; evidently on a street!).
[sadly, link to this not working any more; aug 2022]