I was listening to Windy for a few minutes with a nice signal (band conditions seem to be good this morning, stable signals and low noise), and it started to key down for several seconds at a time. It would then start to send normally again for a few seconds, and revert to the key down. I wasn't able to catch the battery voltage while it was sending OK, perhaps it is too low? Actually, I think it is keying down during the period when the wind dits should be sent.
Seems back to normal at 1145, although no wind dits.