How are Beaufort Forces categorized?

The categorization of Beaufort Forces is based on wind speed and sea surface action, which allows sailors and mariners to estimate the effects of the wind on the sea and conveyed impacts on sailing conditions. The Beaufort Scale provides a standardized method of categorizing wind strength, ranging from calm conditions with no wave movement to strong winds producing high waves and whitecaps. This system considers how wind interacts with the water surface, thus giving practical guidance for navigation, safety measures, and equipment handling on the water.

The other choices do not comprehensively address how Beaufort Forces are categorized. Simply focusing on sea conditions neglects the crucial role of wind speed, while temperature and humidity levels pertain to atmospheric conditions rather than direct implications for sailing or sea surface action. Relying solely on visual observations without correlating them to measured wind speed overlooks the systematic approach the Beaufort scale demands, which integrates observable sea conditions with specific wind velocities.