From wikipedia [1]
> Typical capacity factors of current wind farms are between 25 and 45%
Offshore being about 10% higher than on land.
Of note is that it is in unconstrained conditions, defined by the weather; when it is needed or when a flexible production can reduce its output, or when flexible consumption can absorb it. As renewables' share increase, this is becoming a problem in some parts of the world: electricity prices can even go negative at times.