Check out this website & filter it for anchored vessels.
https://www.marinetraffic.com/en/ais/home/centerx:-141.9/centery:37.2/zoom:3
Check out this website & filter it for anchored vessels.
https://www.marinetraffic.com/en/ais/home/centerx:-141.9/centery:37.2/zoom:3