You could not see the drone. You say you were looking only at the controller screen with the camera pointed downward. It's impossible under those circumstances to visually tell whether the drone is descending or the wave is rising.
You may be...
I had one battery give me a warning about overheating and power being reduced.
This happened three times and the flight data showed battery temperatures never exceeding those with other batteries in similar air temperatures.
I deduced that the...
It won't shoot your drone out of the sky.
At worst, it might create a little interference if you are flying in the vicinity of it and that would be reduced as you fly further away.
Try it and see.