Fear not, fellow Dubliners - contrary to the grey skies above our heads, turns out that summer is actually not over.
Check out this messer, taking a leaf out of Olympians Michael Phelps', Fiona Doyle's and Shane Ryan's books – and diving head first into our city's great divider.
Spotted yesterday evening by Twitter user @lradacic, just beside Capel Street bridge, is this man, just chilling with friends before entering the Liffey on the north quays, and exiting via stairs on the south side of the river.
The perfect recipe for this week's muggy weather. Right on swimmer man, right on.