This is almost fits into the category ‘NZ travel guide’. I think calling it a ‘mini documentary’ is a bit optimistic, but it gives a mellow feel for the waves & coasts here so watch away:
NZ Travel Guide: Surfing Mini Documentary
The other videos from ‘Pure New Zealand’ offer lots of nice little insights into this wonderful country. Together they make a good starting point to guide your New Zealand travel planning.
If this has given you an urge to find out more about surfing in New Zealand try going through some of the breaks on these surf-check sites: