Sunday, June13, 2021
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VMG to Wind Calculator

Windex Setup

Click Here for Calibration Method

Flag spacing:deg
Enter flag width: deg
Enter tail width: deg


Enter angle of the wind:deg True Apparent
Wind Speed:knots True Apparent
Boat Speedknots


VMG to wind 4.4
T Wind Direction 58°
T Wind Speed 20
Apparent Wind Speed 25.4
Boat Speed 8.3
Apparent Wind Direction 41.9
TWS = AWS - BS * 0.65
Boat speed as % of true wind speed 41.5
VMG as % of true wind speed 22

masthead fly

Click on graph to print out larger paper that you can plot other points on.

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