What is the current water temperature in Aberystwyth?

Q: What is the current water temperature in Aberystwyth?

As of now, in Aberystwyth, the water temperature is 9.9°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.

United Kingdom > Aberystwyth

Water temperature in Aberystwyth

Detailed information about the current water temperature in Aberystwyth. 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.

49.8

°F

April 10, 21:00

Trend:

stable

Yesterday:

49.4°F

Tomorrow:

49.8°F

Sunrise:

06:31

Sunset:

20:06

Day Length:

13 h. 35 min.

Aberystwyth in April

Minimum:

44.8°F

Average:

46.8°F

Maximum:

49.9°F

Sea water temperature in Aberystwyth today

As of now, in Aberystwyth, the water temperature is 49.8°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 1.4°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 notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 50.3°F on 2025, while the historical minimum was 44.7°F on 2018.

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 50.1°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Aberystwyth

Date	Current Year actual* / forecast**	last year	10 years average
Mar 27	47.9°F	47.6°F	46.9°F
Mar 28	48.1°F	47.6°F	47.0°F
Mar 29	48.3°F	48.7°F	47.2°F
Mar 30	48.4°F	48.2°F	47.3°F
Mar 31	48.5°F	48.9°F	47.3°F
Apr 1	48.7°F	48.4°F	47.3°F
Apr 2	48.9°F	49.0°F	47.6°F
Apr 3	48.7°F	49.0°F	47.5°F
Apr 4	48.2°F	49.6°F	47.5°F
Apr 5	48.1°F	49.6°F	47.6°F
Apr 6	48.3°F	49.5°F	47.7°F
Apr 7	49.2°F	49.0°F	48.0°F
Apr 8	49.4°F	49.8°F	48.1°F
Apr 9	49.4°F	50.1°F	48.5°F
Apr 10	49.8°F	50.3°F	48.4°F
Apr 11	49.8°F	49.8°F	48.4°F
Apr 12	49.9°F	49.2°F	48.5°F
Apr 13	49.9°F	49.7°F	48.5°F
Apr 14	50.1°F	50.8°F	48.7°F
Apr 15	50.1°F	50.6°F	48.7°F
Apr 16	50.4°F	50.2°F	49.0°F
Apr 17	50.5°F	49.8°F	49.0°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 Aberystwyth by month

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

The warmest water in Aberystwyth was recorded on July 23, 2021, reaching a 68.8°F. While the coldest temperature occurred on March 9, 2018, dipping to 40.5°F. The average readings by season are 46.1°F in Winter, 49.7°F in Spring, 62.5°F in Summer, and 57.7°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Caernarfon	49.4°F	51mi
Swansea	50.1°F	55mi
Bangor	48.6°F	56mi
Conwy	48.3°F	61mi

* current water temperature in this city

** straight line distance from Aberystwyth