It may not look like the best day to swim but it was actually pretty warm.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/21442511@N08">Daniel Ramirez</a> from Honolulu, USA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/danramarch/4560131324/">Swimming on a grey day.</a>