| Beaufort No. | Kph | Mph | Wind Name | Characteristics |
| 0 | <1 | <1 | Calm | Smoke rises vertically. |
| 1 | 1-5 | 1-3 | Light Air | Wind direction shown by smoke drift, but not by wind vanes. |
| 2 | 6-11 | 4-7 | Light Breeze | Wind felt on face, leaves rustle, vanes moved by wind. |
| 3 | 12-19 | 8-12 | Gentle Breeze | Leaves and small twigs in constant motion, wind extends light flag. |
| 4 | 20-28 | 13-18 | Moderate Breeze | Raises dust, loose paper and small branches are moved. |
| 5 | 29-38 | 19-24 | Fresh Breeze | Small trees in leaf begin to sawy, crested wavelets on inland waters. |
| 6 | 39-49 | 25-31 | Strong Breeze | Large branches in motion, difficult ti use umbrellas, whistling heard in telegraph wires. |
| 7 | 50-61 | 32-38 | Near Gale | Whole trees in motion, inconvenience walking against it. |
| 8 | 62-74 | 39-46 | Gale | Breaksa twigs off trees, impedes progress. |
| 9 | 75-88 | 47-54 | Strong Gale | Slight structural damage occurs, |
| 10 | 89-102 | 55-63 | Storm | Trees uprooted, considerable damage occurs. |
| 11 | 103-117 | 64-72 | Violent Storm | Widespread damage. |
| 12 | ≥118 | ≥73 | Hurricane | Destroys everything in its path. |
| Beaufort No. | Sea Disturbance No | Wave Height M Ft |
Wind Name | Characteristics | |
| 0 | 0 | 0 | 0 | Calm | Sea is like a mirror. |
| 1 | 0 | 0 | 0 | Light Air | Ripples like scales, without foam crests. |
| 2 | 1 | 0.3 | 0-1 | Light Breeze | Most definite wavelets, but crests do not break. |
| 3 | 2 | 0.3-0.6 | 1-2 | Gentle Breeze | Large Wavelets, crests begin to break, scattered white horses. |
| 4 | 3 | 0.6-1.2 | 2-4 | Moderate Breeze | Small waves become longer, fairly frequent white horses. |
| 5 | 4 | 1.2-2.4 | 4-8 | Fresh Breeze | Moderate waves with a more definite long form, many white horses, some spray possible. |
| 6 | 5 | 2.4-4 | 8-13 | Strong Breeze | Large waves form, more extensive white foal crests, some spray probable. |
| 7 | 6 | 4-6 | 13-20 | Near Gale | Sea heaps up, streaks of white foam blown along. |
| 8 | 6 | 4-6 | 13-20 | Gale | Moderatley high waves of greater length, well-marked streaks of foam. |
| 9 | 6 | 4-6 | 13-20 | Strong Gale | High Waves, dense streaks of foam, sea begins to roll, spray affects visibility. |
| 10 | 7 | 6-9 | 20-30 | Storm | Very high waves with long overhanging crests, dense streaks of foam blown along, generally white appearance of surface, heavy rolling. |
| 11 | 8 | 9-14 | 30-45 | Violent Storm | Exceptionally high waves, long white patches of foam, poor visibility, ships lost to view behind waves. |
| 12 | 9 | 14 | >45 | Hurricane | Air filled with foam and spray, sea completely white, very poor visibility. |
Beaufort Scale for Sea
Beaufort Scale for Land