Advice on Diving in Hong Kong

...nd windier with 18-22C, although nights can get as cold as 10C.  Typhoon season is June through September.  Water temperatures are warm in the summer, reaching 30C, but in the winter can be as cold as 15C.  During the summer a 3mm wetsuit is recommended and a 5mm or semi-dry in the winter.  Wind and weather often dictate if diving can occur, as boats may not be able to get to dive sites in rough weather, and sandy bottoms may get stirred up causing poor visibility.  The official languages of Hong Kong are English and Cantonese and they use the Hong Kong dollar.  Unfortunately some of the rea...