BEAUFORT SCALE
SECTORS CORRESPONDING TO EACH WIND. (in sexagesimal degrees)
| Grau | Catalan | m/s | Kt (knots) | Km/h | Spanish | english | french |
|---|---|---|---|---|---|---|---|
| GRAU 0 | calm | 0 – 0.2 | less than 1 | 0 – 2 | calm | calm | calm |
| GRAU 1 | fan | 0.3 – 1.5 | 1-3 | 2 – 6 | fan | light air | very light breeze |
| GRAU 2 | light wind | 1.6 – 3.3 | 4 – 6 | 7 – 11 | very weak breeze | light breeze | light |
| GRAU 3 | light wind | 3.4 – 5.4 | 7 – 10 | 12 – 19 | weak, lazy breeze | gentle breeze | gentle breeze |
| GRAU 4 | moderate wind | 5.5 – 7.9 | 11 – 16 | 20 – 29 | good, moderate breeze | moderate breeze | nice breeze |
| GRAU 5 | cool wind | 8.0 – 10.7 | 17 – 21 | 30 – 39 | cool breeze, cool | fresh breeze | good breeze |
| GRAU 6 | fresh wind | 10.8 – 13.8 | 22 – 27 | 40 – 50 | strong breeze, moderate | strong breeze | cool wind |
| GRAU 7 | Strong wind | 13.9 – 17.1 | 28 – 33 | 51 – 61 | cool, strong wind | near gale | great expense |
| GRAU 8 | temporal | 17.2 – 20.7 | 34 – 40 | 62 – 74 | temporal | gale | Gale |
| GRAU 9 | temporal fort | 20.8 – 24.4 | 41 – 47 | 75 – 87 | strong storm | strong gale | strong gust of wind |
| GRAU 10 | very strong storm | 24.5 – 28.4 | 48 – 55 | 88 – 101 | hard storm | storm | storm |
| GRAU 11 | temporal violent | 28.5 – 32.6 | 56 – 63 | 102 – 117 | very hard storm | violent storm | violent storm |
| GRAU 12 | hurricane | more than 32.7 | over 64 | more than 118 | temporal huracanado | hurricane | hurricane |
