Early on an autumnal morning, dozens of people gather on the Essex coast at Chalkwell for an early morning swim.
Recorded on the first World Bluetits day, in windy and wet conditions, Owen finds out what the appeal is of open water swimming with Lisa Monger from the Bluetits of Leigh.
If you fancy joining the Bluetits of Leigh - and other flocks around the Essex coast - can be found on Facebook.
If you've got a story, Owen would like to hear from you! Email essexbytheseapodcast@gmail.com
