Francis Beaufort's numbered scale ran from calm to hurricane, yet the Admiralty did not adopt it until 1838. Before standardization, sailors used practical sensory measures: the appearance of the sea, the voice of wind through rigging, and whether any canvas could survive. The passage translates meteorology into the working knowledge of a sailing crew.
Notable Point · 2:42:56-2:44:14
Before standard weather scales, sailors judged wind by sea and rigging
The Beaufort scale formalized wind strength, but mariners already read the sea, the sound of rigging, and the amount of canvas a ship could carry.