Current Triangle Calculator

Calculate course to steer and speed made good accounting for current set and drift

Input Parameters

Results

--
Course to Steer
degrees
--
Speed Made Good
knots
--
Course Made Good
degrees
--
Course Correction
degrees

Reference

Vector Triangle: Boat_vector + Current_vector = Ground_track CTS = Desired_Course - asin(Drift × sin(relative_angle) / Boat_Speed) SMG = resultant speed over ground