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Silver Bay Rhoscolyn
Isle of Anglesey
We do not read the water company's overflow data here yet, so storm overflows within 3 km of Silver Bay Rhoscolyn are not shown.
The cleanest samples over the last four seasons. Heavy rain can lower water quality here.
- Latest E. coli
- <10
- per 100 ml, 16 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
Measuring approximately 600 metres in length and facing south into Cymyran Bay, Silver Bay is a sandy beach located on the west coast of Anglesey. The land surrounding the bathing water is partly forested, contains Silver Bay Holiday Park and has areas of farmland. A Royal Air Force base is located to the east on Anglesey. The bathing water is located in the Anglesey Area of Outstanding Natural Beauty and lies between the Beddmanarch-Cymyran Site of Special Scientific Interest and the Glannau Rhoscolyn Site of Special Scientific Interest. The water quality sample point is located in the centre of the bay.
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.