My favorite time was right at dawn, watching the sun rise.
I've since returned twice more for three days at time and have been able to observe the waves and sun and rocks dance together in all sorts of moods and weathers.
A sunny day at the north end of the park:
A gray, wet day:
A relatively peaceful day:
Vivid blue sky and ocean, white surf and black lava rocks dancing together joyously:
The thrill of waves crashing into the rocks and pluming into the air:
Waves "waterfalling" over the lava rocks:
The effect of offshore winds: