Oh my. Probably the best thing I've heard all year. A bit like Thom Yorke jamming with How To Dress Well at 4am when they're both on a come-down.
I wrote some more words on it here; http://www.goldflakepaint.co.uk/album-review-port-st-willow-holiday/
...and the whole thing is streaming on Bandcamp here; http://music.portstwillow.com/album/holiday
I can't recommend it enough. I suggest listening to Tourist to get a sense of the whole record, but it's perfect start-to-finish.