Can you swim at Porthtowan 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. Porthtowan 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 Porthtowan live page for full conditions.

Frequently asked questions

What is the average sea temperature at Porthtowan in August?

Porthtowan averages 17.0°C in August, based on long-run climatology for the Atlantic Ocean.

Is the sea warm enough to swim at Porthtowan in August?

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

Do I need a wetsuit at Porthtowan in August?

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