A wobbly take-off has plagued me since I started surfing last year. I just got back from Urbn surf and finally got some footage which is in the link below. I would be eternally grateful for any advice on how to fix this. The board is 6'10" x 20 5/8" x 2 3/4" : 43L.

https://www.youtube.com/watch?v=0SNbPXhDr_s