8/16/2019 Wind Angle Calculator

1/2

Red cells are where you place your boat data

Pink cells are constants which can be adjusted

Black cells are calculations

Blue cells are the final btu results

True wind to Apparent wind Apparent Wind to True WindBoat speed over ground (kts) 7.0 kts Boat speed over ground (kts) .!

"rue wind speed #!.0 kts $pparent wind speed %!.&

"rue wind angle &'.% degrees $pparent wind angle &0.!

"$ 0. radians

* '.+ * #%.

y ##.% y #!.&%

 $pparent wind speed %0.' kts "rue wind speed %0.0

 $pparent wind angle %7.0 degrees "rue wind angle +0.0

Tacking angles and VMG

boat speed over ground (kts) 7.0 kts

 $pparent wind angle close hauled %7.0 degrees

"rue wind speed #!.0 kts

,eeway angle %.0 degrees

 $pparent wind speed %0.' kts

"rue wind angle &'.% degrees

B #%.%

angle +#.%

-elocity ade good !.& kts

iles/day #% iles

"acking angle % degrees

8/16/2019 Wind Angle Calculator

2/2

kts

kts

degrees

kts

degrees