The following is a press release from BC Ferries:Please be advised that due to extreme weather conditions forecast for Thursday morning and afternoon we have cancelled the 2:30 pm sailing of the Northern Adventure for December 17. In an effort to accommodate customers travelling to Skidegate we have added a sailing from Prince Rupert this afternoon (Wednesday) at 3:00 pm.Reserved customers for the cancelled December 17 sailing have been contacted by our Customer Service Centre and advised that we have added an additional sailing today at 3:00 pm. If customers are able to move their travel plans ahead they are asked to check-in at the Prince Rupert terminal by 1:00 pm today.The return trip from Skidegate is expected to sail as scheduled for11:59 pm on December 17, however that remains weather dependent.For updated information about future sailings please call 1-888-BCFERRY (223-3779) or continue to check the website.