What is the current water temperature in Dublin?

Q: What is the current water temperature in Dublin?

As of now, in Dublin, the water temperature is 8.84°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

Ireland > Dublin

Water temperature in Dublin

Detailed information about the current water temperature in Dublin. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

47.9

°F

April 5, 18:01

Trend:

stable

Yesterday:

48.4°F

Tomorrow:

48.1°F

Sunrise:

06:50

Sunset:

20:07

Day Length:

13 h. 17 min.

Dublin in April

Minimum:

44.8°F

Average:

48.0°F

Maximum:

50.0°F

Sea water temperature in Dublin today

As of now, in Dublin, the water temperature is 47.9°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.7°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 48.6°F on 2025, while the historical minimum was 43.9°F on 2018.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 48.3°F, with minimum temperature starting at 48.1°F, while the maximum might reach 48.6°F.

Daily water temperature in Dublin

Date	Current Year actual* / forecast**	last year	10 years average
Mar 22	47.2°F	46.7°F	46.2°F
Mar 23	46.9°F	46.7°F	46.2°F
Mar 24	47.0°F	46.9°F	46.2°F
Mar 25	47.2°F	46.8°F	46.3°F
Mar 26	47.5°F	47.1°F	46.5°F
Mar 27	47.3°F	47.4°F	46.5°F
Mar 28	47.2°F	47.4°F	46.7°F
Mar 29	47.4°F	48.1°F	46.9°F
Mar 30	47.5°F	48.3°F	46.9°F
Mar 31	47.6°F	48.3°F	47.0°F
Apr 1	48.0°F	48.5°F	47.1°F
Apr 2	48.0°F	48.7°F	47.2°F
Apr 3	47.9°F	48.7°F	47.2°F
Apr 4	48.4°F	48.8°F	47.3°F
Apr 5	47.9°F	48.6°F	47.2°F
Apr 6	48.1°F	49.1°F	47.4°F
Apr 7	48.2°F	48.9°F	47.5°F
Apr 8	48.3°F	49.0°F	47.6°F
Apr 9	48.3°F	49.9°F	47.6°F
Apr 10	48.4°F	50.3°F	47.7°F
Apr 11	48.4°F	49.9°F	47.7°F
Apr 12	48.6°F	50.5°F	47.9°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Dublin by month

In an average year, Dublin offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Dublin was recorded on August 14, 2022, reaching a 63.0°F. While the coldest temperature occurred on March 11, 2018, dipping to 42.8°F. The average readings by season are 47.2°F in Winter, 48.8°F in Spring, 58.7°F in Summer, and 56.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Dún Laoghaire	47.9°F	5mi
Bray	47.9°F	11mi
Greystones	48.0°F	15mi

* current water temperature in this city

** straight line distance from Dublin