Select your kite size according to the median wind speed and not the gust.
For wind strength REDUCTION, take along an extra bigger board OR bigger kite.
For wind strength INCREASE, take along an extra smaller board OR smaller kite.
The chart below shows the relation between the two key measurements in choosing a kite size: 1) The Wind Speed and 2) Your Weight. Our chart below shows wind speed in Knots and Miles/hour on the left, and your weight in pound at the top. Size of kite is in square metrage.