It depends. The Basin sits around 19.0°C in June; confident swimmers will be fine, casual bathers may prefer short sessions.
Monthly averages set expectations, but the specific beach today depends on wind, swell and recent weather. Check the live value at the top of this page or open the The Basin live page for full conditions.
Best months to swim
January · February · March · December
Frequently asked questions
What is the average sea temperature at The Basin in June?
The Basin averages 19.0°C in June, based on long-run climatology for the Indian Ocean.
Is the sea warm enough to swim at The Basin in June?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at The Basin in June?
A 2 mm shorty is comfortable for sessions over 30 minutes.
