The sailboat operator is the stand-on vessel so they should keep their course and speed while the PWC is the give-away vessel so it should change course and speed.
Maintain present course and speed.
Take early action to keep well away from the sailboat.
A sailing vessel operator when approaching a pwc head on should slow down and change course.
A sailing vessel operator should sound a blast on the horn when approaching a PWC head on. However, it is up to the operator of the motorized craft, in this case the PWC, to take evasive action.
There are several precautions that an operator should take when approaching a blind corner. The first thing is to slow down and then approach the corner from the furthest angle.
Use low beams.
A train operator should blow their horn when approaching crossings where cars or pedestrians may be. They should also always have their lights on.
When approaching a sailing vessel head on, it is up to the motorboat to yield. The motorboat operator should swing wide as early as possible to stay well clear of the sailing vessel.
Maintain your present course and speed
The sailboat has the right-of-way until the motorboat gets ship-sized, when it assumes the right-of-way.
Turn off headlights and leave parking lights on.