The Wind Direction arrows on a myWindsock forecast represent the Beaufort wind scale.

	MPH	Description
	<1	Calm
	1-3	Light air
	4-12	Gentle Breeze
	13-24	Moderate Breeze
	25-38	Strong Breeze
	39-54	Fresh Gale
	55 -63	Whole Gale
	64 -74	Storm
	>75	Hurricane