Originally Posted by and4ew
My question is: won't this cause some sideways pull on the anchor and potentially cause it to release? or will the boat move into a position where there's an equilateral triangle formed by the rode and the snubber? That's not what's shown in the diagram.
This is quite a common and useful technique. It is used to increase the comfort at anchor. I am not sure the diagram is strictly an accurate representation. However, anchors are (or should be) quite good at rotating and remaining engaged with the seabed if this is needed. The same happens when the wind
direction changes slightly.
Of greater concern is that as the the yacht is no longer aligned with the wind the aerodynamic drag will be higher and hence the force on the anchor may be higher. In practice, a yacht anchored conventionally will not maintain a steady head
to the wind position so canting the yacht to one side may not increase the peak load substantially. In some instances it can even reduce the forces involved.
Most cruising yachts (if their owners have any sense) will have chosen anchoring gear
that is still adequate in less than ideal conditions.
Most commonly less than ideal conditions relate to poor substrates, shorter than ideal scopes, very strong wind or wave action etc etc. These factors will will be much more significant than the relatively small extra drag generated by adopting the techniques shown.