Sea Temps

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Sea temperature in Northern Ireland today

8 beaches and coastal towns in 3 areas.

Average, 28 Oct 2026
12.9 °C
close to normal
Warmest
13.3 °C
Coldest
12.5 °C

By area

AreaPlacesAveragevs normal
Ards and North Down213.2 °C+0.1
Causeway Coast and Glens512.8 °C+0.1
Newry Mourne and Down112.5 °C-0.1

All places in Northern Ireland

PlaceAreaLatestvs normal
BallycastleCauseway Coast and Glens13.3 °C+0.1
BangorArds and North Down13.0 °C+0.1
Benone BeachCauseway Coast and Glens12.5 °C-0.0
DonaghadeeArds and North Down13.3 °C+0.2
NewcastleNewry Mourne and Down12.5 °C-0.1
PortrushCauseway Coast and Glens12.9 °C+0.1
PortstewartCauseway Coast and Glens12.8 °C+0.1
Portstewart StrandCauseway Coast and Glens12.7 °C+0.1