Beaufort force 5. Sustained wind speeds in the range of 17 to 21 knots. Moderate waves, taking a more pronounced long form; many white horses are formed (chance of some spray).

wind moving 19-24 knots; 5 on the Beaufort scale

In the Beaufort wind scale, a wind whose speed is from 17 to 21 knots (19 to 24mph).

Wind with a speed between 17 and 21 knots (19 and 24 mph); Beaufort scale number 5.

Wind of 17 to 21 knots velocity

In the Beaufort wind scale wind with a speed from 17 to 21 knots (19–24 mph) or Beaufort Number 5 (force 5).