NOAA forecasts include wind speeds like 25-30 mph "with" these sudden bursts of wind "up to 50"
[DOC] [TLE] Jeff Masters Blog Archive - Weather Underground [PAR] Jul 31, 2006 ... Wind shear is a very high 30-40 knots today over the disturbance, but may ... 
Hurricanes also like to have these warm ocean waters extend to a depth .... 
heavy squall ahead of the wave creating winds of up to 50 knots (57 mph).