There seems to be no where on line that presents ferry timetable from Hong Kong Shuntak (Shun Tak) Centre to NanSha ferry Terminal
Shun Tak to Nansha Ferry Timetable
The Hong Kong -> Nan Sha Ferry Terminal leaves at:-
11:30 a.m. every day
Journey Time : 70 minutes
信德中心 / 港澳碼頭 => 南沙港 – 11:30 a.m. (70 minutes)
If you miss this ferry – there are no other ferries from Hong Kong side directly to Nansha Ferry terminal.
Tickets can be purchased at a travel agent at the ferry terminal – the ferry is generally pretty empty so you can purchase tickets at 10:45 a.m… This information is as of April 2009.
For reference here are the timetables for the other ferries to China ports.