Drift Triangle
A vector triangle with boat speed along the heading, current rate along the set, and the desired track as the resultant direction. The page reports the steer heading and the speed actually made good.
Result
Values update as you type. Nothing is sent anywhere.
Worked example
More calculatorsSolve the heading that holds a chosen track through a cross current. The page computes in the browser and does not store inputs. For a printed version, use the matching card in the tools directory.