Sailing Course
Calculate upwind lifts and downwind knocks based on your course heading and offset angle. Enter your base course and offset, or use the quick buttons for common sailing angles.
Heading
Wind direction in degrees (0-359)
Angle offset for tacking/jibing
Calculations
Upwind
Port Tack
320°
Base
0°
Starboard Tack
40°
Opposite
140°
Opposite Base
180°
Opposite
220°
Downwind
Port Jibe
220°
Base
180°
Starboard Jibe
140°
Opposite
40°
Opposite Base
0°
Opposite