Sea temperature in Northern Ireland sea temperature in real time, 7-day forecast and historical data

Do you want to go to the beach to swim in Northern Ireland today? Check if the sea temperature is pleasant with our data, updated daily, in real time, and our weather forecast for the next few days, by city in Northern Ireland.

Sea temperature in Northern Ireland today

On the map below, find the water temperature measured today for different cities in Northern Ireland.

Water temperature in Northern Ireland by city

Below, find the current sea temperature and weather conditions in several coastal cities in Northern Ireland.

  • Météo actuelle

    Sea temperature in Belfast: 47°C

    Today's weather conditions: Outside temperature min/max: 6°C/8°C • Wind speed: 9km/h • Waves: 0.3ft (0.7ft maximum) every 2.6 seconds

    Today's sea temperature in Belfast

  • Météo actuelle

    Sea temperature in Ballycastle (Causeway Coast): 47°C

    Today's weather conditions: Outside temperature min/max: 7°C/9°C • Wind speed: 5km/h • Waves: 2.3ft (2.3ft maximum) every 8 seconds

    Today's sea temperature in Ballycastle (Causeway Coast)

  • Météo actuelle

    Sea temperature in Derry (Londonderry): 47°C

    Today's weather conditions: Outside temperature min/max: 7°C/8°C • Wind speed: 6km/h • Waves: 2.3ft (2.3ft maximum) every 7.8 seconds

    Today's sea temperature in Derry (Londonderry)

  • Météo actuelle

    Sea temperature in Donwpatrick: 47°C

    Today's weather conditions: Outside temperature min/max: 6°C/8°C • Wind speed: 9km/h • Waves: 0.3ft (0.7ft maximum) every 2.6 seconds

    Today's sea temperature in Donwpatrick

  • Météo actuelle

    Sea temperature in Larne: 47°C

    Today's weather conditions: Outside temperature min/max: 7°C/8°C • Wind speed: 5km/h • Waves: 1.3ft (1.6ft maximum) every 8.2 seconds

    Today's sea temperature in Larne

Display all cities

Water temperature in Northern Ireland by month

Below, find the average temperature variation of the sea in Northern Ireland for the cities of: Belfast, Ballycastle (Causeway Coast), Derry (Londonderry), Donwpatrick and Larne.

Change units