Kelp Talk
More specifically, called this: https://en.wikipedia.org/wiki/Kármán_vortex_street
The islands in this area usually cause eddies in the flow and this is one of them. https://en.wikipedia.org/wiki/Catalina_eddy
The large scale is available here: https://www.ncdc.noaa.gov/gibbs/image/GOE-6/VS/1985-04-14-18 The grid line of -120W/30N are close to this
More specifically, called this:
https://en.wikipedia.org/wiki/Kármán_vortex_street
The islands in this area usually cause eddies in the flow and this is one of them.
https://en.wikipedia.org/wiki/Catalina_eddy
The large scale is available here:
https://www.ncdc.noaa.gov/gibbs/image/GOE-6/VS/1985-04-14-18
The grid line of -120W/30N are close to this