Checking for drag

By far the best method of observing whether or not an anchor is dragging is to find a natural transit of two objects more or less abeam when the boat is head-up to the hook. For crispness, these want to be reasonably close. You can even use another boat that looks good, so long as she doesn’t join you up the beach when all goes pear-shaped. A compass being used to see if a bearing alters is a blunt instrument by comparison, only useful when no transit offers itself. Even at night, two lights, or one light in line with a silhouette on the skyline, can usually be found. The GPS receiver promising to advise optimistic skippers of a dragging hook is only of interest in dense fog…