Other events this weekend include the inaugural "One Month to Go" concert on the Hokitika beach from 4pm on Sunday, a month out from the Wildfoods Festival.
Shantytown will hold its annual Heritage Day, the Westland Rose Society is hosting a South Island-wide exhibition in Greymouth, and the Westland Golf Classic has drawn golfers from around the South Island to the Kaiata links for two days.
West Coast police prevention manager senior sergeant Vicki Walker said that with all the extra people arriving in the district, motorists needed to be patient and drive safely.
"There are going to be a lot of extra vehicles on the road during the weekend, starting tomorrow with the Coast to Coast, motorists need to take extra care."