All beaches / Wales / Beaches
Morfa Nefyn
Gwynedd
We do not read the water company's overflow data here yet, so storm overflows within 3 km of Morfa Nefyn are not shown.
The cleanest samples over the last four seasons.
- Latest E. coli
- <10
- per 100 ml, 17 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
Morfa Nefyn is a large beach on the north of the Llŷn peninsula facing northwards. It is neighboured by Porth Dinllaen to the west and Porth Nefyn to the east. It is a predominantly sandy beach. The area is designated as the Porth Dinllaen I Borth Pistyll Site of Special Scientific Interest and the Sea cliffs of Lleyn Special Area of Conservation, with the Lleyn Peninsula and the Sarnau Special Area of Conservation to the west. The water quality sample point is in line with the car park.
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.