The Irish Sea water temperature Sea temperature today and for the next 7 days
12–13 °C
Across the Irish Sea, the sea is 12 to 13 °C at the surface right now. Over the next 7 days it stays between 11 and 13 °C.
The water stays close to the surface temperature down to about 10–40 m at the sites we follow; deeper it gets colder.
Most divers here need a 7 mm with hood, or drysuit today.
Next 7 days
- Sat 14 Nov12–13 °C
- Sun 15 Nov12–13 °C
- Mon 16 Nov11–13 °C
- Tue 17 Nov11–13 °C
- Wed 18 Nov11–13 °C
- Thu 19 Nov11–13 °C
- Fri 20 Nov11–12 °C
By dive site
| Site | Now | Today | Warm down to | Suit |
|---|---|---|---|---|
| Porth DafarchAnglesey | 13.1 °C | 13 °C | past 40 m | 7 mm + hood |
| Trearddur BayAnglesey | 12.7 °C | 13 °C | past 40 m | 7 mm + hood |
| Newry BeachAnglesey | 12.7 °C | 13 °C | past 10 m | 7 mm + hood |
| The SkerriesAnglesey | 12.5 °C | 12–13 °C | past 25 m | 7 mm + hood |
| MY AlastorStrangford Lough | 11.8 °C | 12 °C | – | 7 mm + hood |
| Dakota (wreck)Anglesey | 11.8 °C | 12 °C | past 22 m | 7 mm + hood |
Surface temperature from the Open-Meteo marine forecast; temperature at depth, where available, from Copernicus Marine models (daily averages). Both are model estimates.