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 7.2°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 > 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.

45.0

°F

February 24, 03:10

Trend:

stable

Yesterday:

44.9°F

Tomorrow:

44.8°F

Sunrise:

07:24

Sunset:

17:52

Day Length:

10 h. 28 min.

Dún Laoghaire in February

Minimum:

44.8°F

Average:

48.6°F

Maximum:

50.9°F

Sea water temperature in Dún Laoghaire today

As of now, in Dún Laoghaire, the water temperature is 45.0°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 1.2°F lower 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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 47.6°F on 2017, while the historical minimum was 44.4°F on 2021.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 44.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Dún Laoghaire

Date	Current Year actual* / forecast**	last year	10 years average
Feb 10	45.5°F	45.7°F	45.9°F
Feb 11	45.5°F	45.8°F	45.9°F
Feb 12	45.4°F	45.9°F	45.9°F
Feb 13	45.5°F	46.0°F	46.0°F
Feb 14	45.1°F	46.0°F	45.9°F
Feb 15	44.8°F	46.0°F	45.7°F
Feb 16	45.1°F	45.9°F	45.8°F
Feb 17	44.9°F	45.8°F	45.7°F
Feb 18	45.1°F	45.9°F	45.8°F
Feb 19	45.1°F	45.7°F	45.8°F
Feb 20	44.8°F	45.3°F	45.8°F
Feb 21	45.3°F	46.0°F	45.9°F
Feb 22	45.2°F	45.5°F	45.8°F
Feb 23	44.9°F	46.3°F	46.1°F
Feb 24	45.0°F	46.2°F	46.2°F
Feb 25	44.8°F	46.0°F	46.0°F
Feb 26	44.8°F	46.3°F	46.0°F
Feb 27	44.9°F	46.0°F	46.1°F
Feb 28	44.7°F	45.8°F	45.9°F
Mar 1	44.9°F	45.7°F	45.8°F
Mar 2	44.8°F	45.5°F	45.7°F
Mar 3	44.7°F	45.7°F	45.6°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 47.5°F in Winter, 48.7°F in Spring, 58.5°F in Summer, and 56.5°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Dublin	44.9°F	5mi
Bray	45.4°F	6mi
Greystones	45.9°F	11mi

* current water temperature in this city

** straight line distance from Dún Laoghaire