If you never read farther than this first line, the takeaway here is that Seakeeper does, indeed, work underway. ... Seakeeper eliminates that boat roll, which is one of three rotational motions, among pitch and yaw.

Do you need a generator to run a Seakeeper?

The all-new Seakeeper 3, which runs on 12v DC power and does not need a generator to operate, eliminates up to 95% of boat roll, the rocking motion that causes seasickness, anxiety, and fatigue.

How long can you run a Seakeeper?

“You have to run power to the boat for like… 4 hours while the Seakeeper shuts down.”