About The Wild Swim Society
The Wild Swim Society is a world map for wild swimming: the water temperature of seas, lakes and rivers, open to everyone, and a map of swimming spots that its members share with each other.
Who it is for
For people who swim outdoors: in the sea, in lakes or in rivers, in summer and in winter. Want to know if the water is good before you hit the road? Looking for where the sea will be warm enough the month of your holidays? Want to keep your spots somewhere without showing them to everyone? That is what the site is for.
What you will find
- The water temperature map: measurements from thousands of buoys and stations in more than twenty countries. Each value says where it comes from and when it was taken. No account needed.
- Water temperature country by country, then region by region, with the normal sea temperature month by month to choose where to swim by season.
- The warmest water today: today's measurements ranked, at sea and in fresh water.
- For members, a map to pin your own swimming spots, to the metre on the satellite view. A spot starts out hidden: you choose who sees it, spot by spot.
What the site covers
The whole planet. Measurements come from public agencies and open data, credited one by one in Sources and credits. Where there is no instrument, the map shows a satellite or model estimate. It is always labelled: an estimate is never presented as a measurement.
What the site is not
It is not a guide to lifeguarded beaches. A spot listed here is neither recommended nor guaranteed safe. Temperature tells you nothing about the current, the bottom or the water quality: always look at the place with your own eyes before you get in.
Members' spots are not public. Without an account, you see none of them. Neither do search engines.
Since when
The Wild Swim Society has been online since October 2026.
Write to us
A question, a measurement source to suggest, a mistake on a page: hello@thewildswimsociety.com.
Our sister sites
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- So Many Bands: every band and artist, their tour dates and where to listen.
- Planned Odyssey: plan an RV, van or car trip across Canada and the United States.