Per my understanding, supercompensation isn't momentary. It doesn't happen one day and go away the next.
It is a new baseline level of physical fitness, achieved after a period of training and adequate recovery.
Ideally, your fitness level would resemble a staircase, supercompensation comprising the "rise" portion, training comprising the "run" portion.
Although your terminology is suspect, you're on to something important. If you feel ready to go, by all means, go! Workout hard when you have these bursts of energy. PRs are a likely result.