WIND COLOR CODING CHART

Beaufort number	Description	Wind speed
		km/h	mph	kts	m/s
0	Calm	< 1	< 1	< 1	< 0.3
1	Light air	1.1 – 5.5	1 – 3	1 – 2	0.3 – 1.5
2	Light breeze	5.6 – 11	4 – 7	3 – 6	1.6 – 3.4
3	Gentle breeze	12 – 19	8 – 12	7 – 10	3.4 – 5.4
4	Moderate breeze	20 – 28	13 – 17	11 – 15	5.5 – 7.9
5	Fresh breeze	29 – 38	18 – 24	16 – 20	8.0 – 10.7
6	Strong breeze	39 – 49	25 – 30	21 – 26	10.8 – 13.8
7	High wind, Moderate gale, Near gale	50 – 61	31 – 38	27 – 33	13.9 – 17.1
8	Gale, Fresh gale	62 – 74	39 – 46	34 – 40	17.2 – 20.7
9	Strong gale	75 – 88	47 – 54	41 – 47	20.8 – 24.4
10	Storm, Whole gale	89 – 102	55 – 63	48 – 55	24.5 – 28.4
11	Violent storm	103 – 117	64 – 72	56 – 63	28.5 – 32.6
12	Hurricane-force	> 118	> 73	> 64	> 32.7

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