Can you swim at Caerfai?

Yes. Rated Excellent in the latest annual classification. Caerfai 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 Caerfai?

Caerfai 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 24 August 2026, showed 10 cfu/100ml of E. coli and 10 cfu/100ml of intestinal enterococci.

Has there been sewage at Caerfai recently?

We do not have a live storm-overflow feed for Caerfai, so we cannot say whether one has discharged nearby.

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Wales · Pembrokeshire

Wednesday 2 September

Caerfai

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 03:24 UK time

Why this verdict

Annual classification: Excellent (positive factor)
Latest E. coli: 10 cfu/100ml (positive factor)
Latest intestinal enterococci: 10 cfu/100ml (positive factor)

Latest bacteria reading

Latest sample · 24 August 2026 · 8 days ago

E. coli: 10cfu/100ml
Intestinal enterococci: 10cfu/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 Caerfai?: Yes. Rated Excellent in the latest annual classification. Caerfai 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 Caerfai?: Caerfai 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 24 August 2026, showed 10 cfu/100ml of E. coli and 10 cfu/100ml of intestinal enterococci.
Has there been sewage at Caerfai recently?: We do not have a live storm-overflow feed for Caerfai, so we cannot say whether one has discharged nearby.

Where this data comes from

View the regulator's full profile

Other beaches nearby

Rated Excellent Whitesands Pembrokeshire Rated Excellent Abereiddy Pembrokeshire Rated Excellent Newgale Pembrokeshire Rated Excellent Nolton Haven Pembrokeshire

Cleanest beaches in Pembrokeshire →

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Gareth Clubb