They are available to Ambassadors, Season Ticket Holders and Away Travel Members with photo membership cards.
The bad weather may affect the opening of the ticket office but tickets can be purchased online.
Call 0845 345 1400 or visit the e-ticketing website.
Prices are:
Adults @ £15
Seniors 65+ @ £5
Under 17's @ £5
Under 11's @ £5
Wheelchair/Ambulant Disabled @ £5
Carers @ free of charge
On Sale 10am on Monday 20th December 2010