| Degree | Speed (km/h) | Type of wind | Characteristics | Speed (m/s) |
| 0 | 0 - 1 | calm | the smoke rises vertically; the sea is one mirror | < 0.3 |
| 1 | 2 - 5 | puff of wind | the wind turns aside the smoke; ripples of the water | 0.3 - 1.5 |
| 2 | 6 - 11 | light breeze | the leaves move; small but obvious waves | 1.6 - 3.3 |
| 3 | 12 - 19 | breeze | constantly churned leaves and twigs; small waves,crests that begin to break | 3.4 - 5.4 |
| 4 | 20 - 28 | lively breeze | the wind raises powder, leaves sand banks, the coppers is churned; small waves that become longer | 5.5 - 7.9 |
| 5 | 29 - 38 | stiff breeze | the shrubs with leaves oscillate; small are formed waves in inner waters; lengthened moderate waves | 8 - 10.7 |
| 6 | 39 - 49 | fresh wind | great churned, hissing sound between coppers the telegraphic wires; billow with white foam crests are formed, and sprays | 10.8 - 13.8 |
| 7 | 50 - 61 | moderate gale | entire churned trees, difficulty to walk against wind; the sea is large, the foam begins to being frayed in wakes | 13.9 - 17.1 |
| 8 | 62 - 74 | moderate squall | broken coppers, to walk against wind are impossible; lengthened billow of medium height and more, from the crests they detach whirlwinds of sprays | 17.2 - 20.7 |
| 9 | 75 - 88 | strong squall | removed fireplaces and tiles; large big waves, thick wakes of foam and sprays, raised from the wind, reduce the visibility | 20.8 - 24.4 |
| 10 | 89 - 102 | tempest | rare in mainland, trees uprooted, serious damages to the rooms; enormous big waves with long crests to spandrel | 24.5 - 28.4 |
| 11 | 103 - 117 | storm | rare, most serious devastations; enormous and high waves, that they can hide ships of medium tonnage; reduced visibility | 28.5 - 32.6 |
| 12 | over 118 | hurricane | destruction of buildings, manufactured, etc; in sea the foam and the sprays reduce the visibility much | 32.7 - 36.9 |
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