DCHP-1 Online
water sky Arctic 
sky having the relatively dark appearance natural to the underside of cloud cover over open (unfrozen) sea.
See also: land sky
- 1752 [I noted this in my journal, and concluded that these black watry clouds must be generated in places where the waters are not frozen; for when I observed them at west-by-south, I turned immediately to the east, where I knew was an open sea, and found that the clouds in that point had exactly the same appearance.]
- 1850 In the western horizon, too, there was evidently, as the mate said, a water sky; though it was impossible to say how far we might actually find a clear sea in that direction if we went there.
- 1851 On the afternoon of the 28th of August a strong water-sky and heavy bank showed the sea to be close at hand to the south, as well as a strong breeze behind it.
- 1958 Bare land and open water reflect little or no light and for this reason the clouds above these surfaces are relatively dark (Land Sky, Water Sky).
- 1752 [I noted this in my journal, and concluded that these black watry clouds must be generated in places where the waters are not frozen; for when I observed them at west-by-south, I turned immediately to the east, where I knew was an open sea, and found that the clouds in that point had exactly the same appearance.]