Wind in the kitesurfing video was around 15-22kts, flying around was no problem and I could hand catch it without risk of losing too many fingers
The video below I shot at a race which got cancelled because of too much wind, there was around 27-35kts, I mainly did it to find the drone's limit.
Only one boat went out that day mainly because they travelled too far not to

Video is still very smooth even in these winds (watch the jib to see how much wind there was):
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