Looks like rain in Ballycotton Threatening clouds over Ballycotton Harbour in Co. Cork. This was taken way back in 2006 on a nice September afternoon. Lots done to this image, including overlay layers, and layer masks and other fun.
Except where stated in the post, photos posted on or after January 1st, 2014 are licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Basically, do what you like with those images but always credit Donncha Ó Caoimh as the author and link here. You'll also have to license the photo under the same license.