The local yokels can be the worst, during the week when very few are round they came in and go out at a great rate of knots and ignore every speed limit, no good talking to them they just wave back, if your lucky otherwise they just ignore you. The other one is coming into pontoons, a lot of boaties don't take the time to check what the tide is doing before they get into the pontoon, it is much easier to drive into the current and not with the current but lo and behold there is always some one who does it wrong and cause all sorts of problems and ends up at the wrong end as well. How hard is it to have a look at other boats anchored nearby or if at a marina have a look at which rode is tight or loose and work out the current.