All data are in degrees Fahrenheit

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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.
Sea temperature in Greystones now

58.0

°F

October 10, 21:46

Trend:

stable

Yesterday:

57.4°F

Tomorrow:

57.9°F

Sunrise:

07:41

Sunset:

18:41

Day Length:

11 h. 0 min.

Greystones in October

Minimum:

45.0°F

Average:

48.1°F

Maximum:

49.5°F

Sea water temperature in Greystones today

As of now, in Greystones, the water temperature is 58.0°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 0.7°F higher than 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

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 58.7°F on 2023, while the historical minimum was 55.9°F on 2018.

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 57.6°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
Sep 26 59.1°F 58.0°F 58.6°F
Sep 27 59.0°F 58.0°F 58.7°F
Sep 28 58.7°F 57.5°F 58.4°F
Sep 29 59.0°F 57.2°F 58.2°F
Sep 30 59.0°F 57.1°F 58.2°F
Oct 1 59.0°F 57.1°F 58.2°F
Oct 2 58.9°F 57.3°F 58.2°F
Oct 3 58.8°F 57.3°F 58.0°F
Oct 4 58.8°F 57.2°F 57.9°F
Oct 5 58.6°F 57.2°F 57.8°F
Oct 6 58.6°F 57.1°F 57.7°F
Oct 7 58.7°F 56.8°F 57.6°F
Oct 8 58.3°F 57.0°F 57.6°F
Oct 9 57.4°F 56.9°F 57.4°F
Oct 10 58.0°F 56.9°F 57.3°F
Oct 11 57.9°F 56.4°F 57.2°F
Oct 12 57.9°F 56.5°F 57.2°F
Oct 13 57.8°F 56.5°F 57.1°F
Oct 14 57.7°F 56.4°F 57.0°F
Oct 15 57.5°F 56.2°F 56.8°F
Oct 16 57.4°F 56.1°F 56.7°F
Oct 17 57.3°F 56.0°F 56.6°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 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 48.0°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 57.7°F 5mi
Dún Laoghaire 57.5°F 11mi
Dublin 57.3°F 15mi

* current water temperature in this city

** straight line distance from Greystones