After I posted "Tropic of
Thetis" it was suggested that a night version might include
some bio-luminescence in the water. This is my third version
the night scene. In the earlier versions(available in the Pickle Jar) I played around with the brightness of the clouds and the amount of haze. This version is more like the first, with the brighter clouds, a bit more haze, and the bio-luminescence shifted to the orange (away from pink).
I've also added some 'glowing foam' in the surf. I would be interested to hear your feedback on that.