Sonar Challenge!
If you can guess-or come reasonably close-to what is going on in this image, I will pay your entry fee for the 2019 Mission Bay Classic. It started at the surface so guess away!!
http://www.bigwatersedge.com/bwevb/a...1&d=1553363125
http://www.bigwatersedge.com/bwevb/a...1&d=1553363125