Can you swim at Tenby South Beach in August? — 17.0°C water

Yes, but expect a fresh dip
Average sea · August
17.0°C
Live water now
Recommended wetsuit
3/2mm fullsuit
mild

It depends. Tenby South Beach sits around 17.0°C in August; 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 Tenby South Beach live page for full conditions.

Frequently asked questions

What is the average sea temperature at Tenby South Beach in August?

Tenby South Beach averages 17.0°C in August, based on long-run climatology for the Celtic Sea.

Is the sea warm enough to swim at Tenby South Beach in August?

It is swimmable but fresh; confident swimmers will be fine without a wetsuit.

Do I need a wetsuit at Tenby South Beach in August?

A 2 mm shorty is comfortable for sessions over 30 minutes.