Chasing and Filming Surfers with a drone was not a relaxing flight for me, you're drone is a 1/4 mile off shore only 15-20 feet above the waves.........one mistake and it's a sunk goner.
Here's my effort filming Kauai Wave Riders.......not too shabby. DJI Mavic Air 2.
https://vimeo.com/597915637