How's the Water?
Overflow data not available yet 0 above typical

All beaches / Wales / Beaches

Colwyn Bay

Conwy

We do not read the water company's overflow data here yet, so storm overflows within 3 km of Colwyn Bay are not shown.

Excellent · 2025 Out of season Overflow data not available here yet

The cleanest samples over the last four seasons. Heavy rain can lower water quality here.

Latest E. coli
<10
per 100 ml, 7 Sep 2026
Latest enterococci
<10
per 100 ml
Overflows within 3 km
-
Spills nearby, 30 days
-
  • Excellent or Good
  • Sufficient
  • Poor
  • Overflow discharging
  • Overflow
  • Offline

About this beach

The bay is situated on the north Wales coastline, to the east of Rhos Point, approximately 10 kilometres from the Great Orme headland. The beach is long and sandy, with a concrete promenade to the rear. The water quality sample point is located in front of the Cayley Promenade opposite the lifebuoy and the white tower.

From the Natural Resources Wales profile.

Storm overflows within 3 km

Nearest first, straight-line distance.

We do not read the water company's overflow data here yet, so overflows within 3 km are not shown.