Force 5
− Wind speed 17 − 21 kn or 8.0-10.7 m/sec
mean, 19 kn or 9 m/sec
(Moderate waves, taking a more pronounced long form; many white horses are formed (Chance of some spray))
Photograph − I G MacNeil, Courtesy of the Meteorological Office
in Meteorology
Beaufort wind scale Force 5
