The buoy was without doubt convenient. Drawing into Tenby in the dusk of the last hour before dark, it meant that I didn't have to stress over the anchor in unfamiliar waters.
The problem is that with the incoming tide set against the gentle off-shore breeze, Calstar spent the early part of the evening g bumping up against the not insubstantial buoy.
It was like sitting inside a drum.
I tried shortening the mooring line, all but lifting the buoy out of the water, but that didn't work. I tried lengthening the line, but that just moved the thumping along the hull.
In the end, I daisy-chained a string of fenders end to end and threaded them around the bow.
Not a pretty necklace, it has to be said, but it worked.