Set & Drift Calculator

Calculate current set and drift from planned and actual positions.

Course Made Good (°)

Speed Made Good (knots)

Course Steered (°)

Speed Through Water (knots)

Set (Direction of current) —

Drift (Speed of current) —

What is Set & Drift?

Set = direction towards which the current is flowing.

Drift = speed of the current in knots.

Useful for navigators estimating current effect during coastal and ocean passages.