Check out this AIS view.
All the green dots. Those are container ships waiting.
A LOT more than 20.
https://www.marinetraffic.com/en/ais/home/centerx:-117.1/centery:33.2/zoom:8
Wow, thanks for sharing the link.
The ships I saw were the cluster near Newport Beach. A very unusual sight for the area. Usually all you see are a few sail boats and the like.