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 7.9°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.

46.2

°F

February 5, 09:56

Trend:

increasing

Yesterday:

45.7°F

Tomorrow:

46.3°F

Sunrise:

08:03

Sunset:

17:15

Day Length:

9 h. 12 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 46.2°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 about the same as the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 48.0°F on 2017, while the historical minimum was 44.6°F on 2015.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 46.1°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
Jan 22	46.4°F	45.4°F	46.6°F
Jan 23	46.3°F	45.2°F	46.5°F
Jan 24	46.3°F	45.9°F	46.4°F
Jan 25	46.1°F	45.8°F	46.4°F
Jan 26	46.3°F	45.7°F	46.4°F
Jan 27	46.2°F	45.8°F	46.6°F
Jan 28	46.0°F	45.9°F	46.4°F
Jan 29	46.1°F	46.0°F	46.4°F
Jan 30	45.8°F	45.8°F	46.3°F
Jan 31	45.5°F	46.2°F	46.3°F
Feb 1	45.8°F	45.8°F	46.3°F
Feb 2	45.9°F	45.8°F	46.4°F
Feb 3	45.9°F	46.1°F	46.3°F
Feb 4	45.7°F	46.6°F	46.2°F
Feb 5	46.2°F	46.8°F	46.1°F
Feb 6	46.3°F	46.8°F	46.1°F
Feb 7	46.1°F	46.9°F	46.0°F
Feb 8	46.2°F	46.8°F	46.1°F
Feb 9	46.0°F	46.7°F	45.9°F
Feb 10	46.0°F	46.2°F	45.9°F
Feb 11	46.0°F	46.4°F	45.9°F
Feb 12	46.1°F	46.6°F	46.0°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 56.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Dublin	45.8°F	5mi
Bray	46.6°F	6mi
Greystones	46.5°F	11mi

* current water temperature in this city

** straight line distance from Dún Laoghaire