Beaufort scale 0-12 · wind speed converter
| Level | Speed (m/s) | Speed (km/h) | Name | At Sea | On Land |
|---|---|---|---|---|---|
| 0 | <0.3 | 0 - 1 | Calm | 平静如镜 | 静烟直上 |
| 1 | 0.3-1.5 | 1 - 5 | Light air | 微浪 | 烟能表示方向 |
| 2 | 1.6-3.3 | 6 - 12 | Light breeze | 小波 | 树叶微响，风标转动 |
| 3 | 3.4-5.4 | 12 - 19 | Gentle breeze | 小波 | 树叶摇动，旗帜展开 |
| 4 | 5.5-7.9 | 20 - 28 | Moderate breeze | 小浪 | 尘土飞起，小树枝摇动 |
| 5 | 8.0-10.7 | 29 - 39 | Fresh breeze | 中浪 | 小树摇摆，水面起波 |
| 6 | 10.8-13.8 | 39 - 50 | Strong breeze | 大浪 | 大树枝摇动，撑伞困难 |
| 7 | 13.9-17.1 | 50 - 62 | Near gale | 大浪 | 全树摇动，迎风步行不便 |
| 8 | 17.2-20.7 | 62 - 75 | Gale | 巨浪 | 小树枝折断，步行受阻 |
| 9 | 20.8-24.4 | 75 - 88 | Strong gale | 狂浪 | 屋顶受损，瓦片吹飞 |
| 10 | 24.5-28.4 | 88 - 102 | Storm | 狂浪 | 树木连根拔起，建筑物损坏 |
| 11 | 28.5-32.6 | 103 - 117 | Violent storm | 非凡现象 | 重大损毁，罕见 |
| 12 | ≥32.7 | 118 - 356 | Hurricane | 滔天巨浪 | 摧毁性破坏，极罕见 |