Sea temperature in Gwynedd today
8 beaches and coastal towns in Gwynedd, Wales.
Average, 28 Oct 2026
13.3 °C
close to normal
All places in Gwynedd
| Place | Latest | vs normal |
|---|---|---|
| Aberdyfi | 13.1 °C | -0.1 |
| Abersoch | 13.6 °C | +0.2 |
| Barmouth | 13.1 °C | +0.1 |
| Criccieth Beach | 13.1 °C | -0.1 |
| Harlech | 13.1 °C | +0.1 |
| Pwllheli | 13.2 °C | -0.1 |
| Tywyn | 13.1 °C | -0.1 |
| Whistling Sands | 14.2 °C | +0.5 |
"vs normal" compares the latest reading with the 2003 to 2014 average for the same date, in °C.
Other areas in Wales
Satellite estimates on a grid about 1 km wide. Shoreline water can differ by several degrees. Not safety advice.