Beaufort Scale - Part 2
Weather Conditions Force 4 Fresh Breeze. Small waves becoming longer ' white horses' becoming constant Wind Speed: 11 - 16 knots. Wave Height: About 3 ft. Force 5 Moderate breeze. Moderate waves, very longer in form ' white horses' everywhere. Spray starting. Wind Speed: 17 - 21 knots. Wave Height: About 6 ft. Force 6 Strong breeze. Large waves with extensive white crests form. Abduntant spray. Wind Speed: 22 - 27 knots. Wave Height : About 9 ft.