What is the current water temperature in Dún Laoghaire?

Q: What is the current water temperature in Dún Laoghaire?

As of now, in Dún Laoghaire, the water temperature is 11.83°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 > Dún Laoghaire

Water temperature in Dún Laoghaire

Detailed information about the current water temperature in Dún Laoghaire. 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.

53.3

°F

November 21, 13:10

Trend:

decreasing

Yesterday:

53.6°F

Tomorrow:

53.0°F

Sunrise:

08:01

Sunset:

16:19

Day Length:

8 h. 18 min.

Dún Laoghaire in November

Minimum:

44.5°F

Average:

47.6°F

Maximum:

48.9°F

Sea water temperature in Dún Laoghaire today

As of now, in Dún Laoghaire, the water temperature is 53.3°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 0.4°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 also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 54.1°F on 2022, while the historical minimum was 50.7°F on 2019.

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 shows a gradual cooling trend. The average temperature is expected to be 52.5°F, the minimum temperature may reach 51.9°F, and the maximum might stay at 53.0°F.

Daily water temperature in Dún Laoghaire

Date	Current Year actual* / forecast**	last year	10 years average
Nov 7	54.9°F	55.0°F	54.5°F
Nov 8	54.7°F	54.4°F	54.3°F
Nov 9	54.7°F	53.8°F	54.2°F
Nov 10	54.6°F	54.0°F	54.2°F
Nov 11	54.5°F	53.6°F	54.1°F
Nov 12	54.5°F	53.4°F	54.1°F
Nov 13	54.3°F	53.5°F	53.9°F
Nov 14	54.2°F	53.7°F	53.8°F
Nov 15	54.9°F	53.4°F	53.9°F
Nov 16	54.6°F	53.3°F	53.8°F
Nov 17	54.5°F	52.9°F	53.5°F
Nov 18	54.4°F	52.6°F	53.4°F
Nov 19	54.1°F	52.8°F	53.3°F
Nov 20	53.6°F	53.1°F	53.1°F
Nov 21	53.3°F	52.8°F	52.9°F
Nov 22	53.0°F	52.2°F	52.7°F
Nov 23	52.8°F	52.9°F	52.4°F
Nov 24	52.7°F	52.6°F	52.4°F
Nov 25	52.6°F	52.5°F	52.2°F
Nov 26	52.4°F	52.4°F	52.0°F
Nov 27	52.2°F	52.3°F	51.8°F
Nov 28	51.9°F	52.1°F	51.5°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 Dún Laoghaire by month

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

The warmest water in Dún Laoghaire was recorded on August 14, 2022, reaching a 62.6°F. While the coldest temperature occurred on March 11, 2018, dipping to 42.8°F. The average readings by season are 47.6°F in Winter, 48.4°F in Spring, 58.1°F in Summer, and 56.4°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Dublin	53.0°F	5mi
Bray	53.7°F	6mi
Greystones	54.1°F	11mi

* current water temperature in this city

** straight line distance from Dún Laoghaire