Originally Posted by davidpm
On a ebb current of about 21 knots there is no steerage approaching the slip.
The current is very strong.
??? 21 knots??? I cannot help you here, other than to suggest a different marina that is not located in rapids... What you need is a boat that can go at least 22 knots to make headway... i.e. get one of Larry Ellison's catamarans and dock them under sail...
Unless, of course, you're not quite correct about the quoted current....