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 14.2°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.

57.6

°F

October 18, 02:38

Trend:

decreasing

Yesterday:

57.6°F

Tomorrow:

57.4°F

Sunrise:

07:57

Sunset:

18:23

Day Length:

10 h. 26 min.

Dublin in October

Minimum:

44.2°F

Average:

46.9°F

Maximum:

49.0°F

Sea water temperature in Dublin today

As of now, in Dublin, the water temperature is 57.6°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 1.4°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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 57.3°F on 2023, while the historical minimum was 54.7°F on 2020.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 57.4°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Dublin

Date	Current Year actual* / forecast**	last year	10 years average
Oct 4	59.7°F	58.4°F	57.9°F
Oct 5	60.0°F	58.2°F	57.8°F
Oct 6	59.8°F	57.9°F	57.7°F
Oct 7	59.5°F	58.2°F	57.7°F
Oct 8	59.3°F	58.0°F	57.6°F
Oct 9	59.4°F	57.5°F	57.4°F
Oct 10	58.9°F	57.3°F	57.2°F
Oct 11	58.5°F	57.2°F	57.1°F
Oct 12	58.4°F	57.2°F	57.1°F
Oct 13	58.8°F	57.0°F	56.9°F
Oct 14	58.6°F	56.9°F	56.8°F
Oct 15	58.4°F	56.6°F	56.6°F
Oct 16	57.8°F	56.4°F	56.4°F
Oct 17	57.6°F	56.3°F	56.2°F
Oct 18	57.6°F	56.1°F	56.1°F
Oct 19	57.4°F	56.0°F	55.9°F
Oct 20	57.4°F	56.8°F	56.0°F
Oct 21	57.5°F	56.9°F	56.0°F
Oct 22	57.4°F	57.0°F	56.0°F
Oct 23	57.4°F	56.8°F	56.0°F
Oct 24	57.3°F	56.4°F	55.9°F
Oct 25	57.3°F	56.2°F	55.8°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, 2026, reaching a 65.0°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, 58.9°F in Summer, and 56.4°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Dún Laoghaire	57.8°F	5mi
Bray	57.9°F	11mi
Greystones	58.1°F	15mi

* current water temperature in this city

** straight line distance from Dublin