← All bathing waters

Wales · Gwynedd

Aberdaron

Yes. Rated Excellent in the latest annual classification.

Water quality only This says nothing about tides, rip currents, cold water shock or lifeguard cover. Cold water and currents are dangerous even when the water is clean. Read the local signs before you go in. What we cannot tell you.

Checked UK time

Why this verdict

Annual classification
Excellent (positive factor)
Latest E. coli
55 cfu/100ml (positive factor)
Latest intestinal enterococci
18 cfu/100ml (positive factor)

Latest bacteria reading

Latest sample · 19 August 2026 · 13 days ago

E. coli
55cfu/100ml
Intestinal enterococci
18cfu/100ml

The regulator samples weekly during the bathing season. E. coli and intestinal enterococci are the indicator organisms used in the official classification.

Common questions

Can you swim at Aberdaron?
Yes. Rated Excellent in the latest annual classification. Aberdaron is a designated bathing water, so it is sampled and rated every season. This answer covers water quality only, not tides, currents or lifeguard cover.
What is the water quality like at Aberdaron?
Aberdaron is rated Excellent in the regulator's latest annual classification, a percentile taken over readings from up to four bathing seasons. The most recent sample, taken 19 August 2026, showed 55 cfu/100ml of E. coli and 18 cfu/100ml of intestinal enterococci.
Has there been sewage at Aberdaron recently?
We do not have a live storm-overflow feed for Aberdaron, so we cannot say whether one has discharged nearby.

Where this data comes from

Other beaches nearby

Cleanest beaches in Gwynedd →

Built by one person

This site is free and always will be. There are no adverts and nothing to sign up for. I pay for the domain and the hosting, so if today's answer was useful you can buy me a coffee(opens in a new tab).

Gareth Clubb