What is the current water temperature in Greystones?

Q: What is the current water temperature in Greystones?

As of now, in Greystones, the water temperature is 10.0°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 > Greystones

Water temperature in Greystones

Detailed information about the current water temperature in Greystones. 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.

50.0

°F

December 27, 19:05

Trend:

decreasing

Yesterday:

50.4°F

Tomorrow:

49.9°F

Sunrise:

08:38

Sunset:

16:12

Day Length:

7 h. 34 min.

Greystones in January

Minimum:

47.0°F

Average:

49.3°F

Maximum:

51.0°F

Sea water temperature in Greystones today

As of now, in Greystones, the water temperature is 50.0°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 0.6°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 stay about the same.

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 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 50.8°F on 2015, while the historical minimum was 47.7°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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 49.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Greystones

Date	Current Year actual* / forecast**	last year	10 years average
Jan 1	49.9°F	48.5°F	49.3°F
Jan 2	49.8°F	49.2°F	49.2°F
Jan 3	49.6°F	49.0°F	49.0°F
Dec 13	50.6°F	50.8°F	50.1°F
Dec 14	50.6°F	50.2°F	50.2°F
Dec 15	50.6°F	50.6°F	50.1°F
Dec 16	50.4°F	49.2°F	49.8°F
Dec 17	50.6°F	49.3°F	49.7°F
Dec 18	50.5°F	49.2°F	49.8°F
Dec 19	50.3°F	49.4°F	49.7°F
Dec 20	50.3°F	49.2°F	49.7°F
Dec 21	50.1°F	49.2°F	49.6°F
Dec 22	50.1°F	48.5°F	49.6°F
Dec 23	50.0°F	48.6°F	49.5°F
Dec 24	49.9°F	48.1°F	49.5°F
Dec 25	50.4°F	48.4°F	49.5°F
Dec 26	50.4°F	48.3°F	49.5°F
Dec 27	50.0°F	48.3°F	49.4°F
Dec 28	49.9°F	48.2°F	49.3°F
Dec 29	49.9°F	48.0°F	49.3°F
Dec 30	50.0°F	48.2°F	49.4°F
Dec 31	49.9°F	48.5°F	49.3°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 Greystones by month

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

The warmest water in Greystones was recorded on September 10, 2023, reaching a 62.3°F. While the coldest temperature occurred on March 11, 2018, dipping to 43.0°F. The average readings by season are 48.1°F in Winter, 48.5°F in Spring, 57.8°F in Summer, and 56.6°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bray	49.9°F	5mi
Dún Laoghaire	49.4°F	11mi
Dublin	49.0°F	15mi

* current water temperature in this city

** straight line distance from Greystones