What is the current water temperature in Swansea?

Q: What is the current water temperature in Swansea?

As of now, in Swansea, the water temperature is 7.72°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 > Swansea

Water temperature in Swansea

Detailed information about the current water temperature in Swansea. 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.

45.9

°F

March 12, 06:44

Trend:

stable

Yesterday:

45.9°F

Tomorrow:

46.0°F

Sunrise:

06:38

Sunset:

18:15

Day Length:

11 h. 37 min.

Swansea in March

Minimum:

46.8°F

Average:

48.3°F

Maximum:

50.3°F

Sea water temperature in Swansea today

As of now, in Swansea, the water temperature is 45.9°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

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 46.7°F on 2024, while the historical minimum was 42.3°F on 2018.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 46.4°F, with minimum temperature starting at 46.0°F, while the maximum might reach 46.8°F.

Daily water temperature in Swansea

Date	Current Year actual* / forecast**	last year	10 years average
Feb 26	45.6°F	47.2°F	45.7°F
Feb 27	45.4°F	47.4°F	45.6°F
Feb 28	45.0°F	46.9°F	45.5°F
Mar 1	45.3°F	47.3°F	45.5°F
Mar 2	45.2°F	46.9°F	45.5°F
Mar 3	45.1°F	46.4°F	45.3°F
Mar 4	45.6°F	46.7°F	45.2°F
Mar 5	45.2°F	46.2°F	45.2°F
Mar 6	45.4°F	46.1°F	45.2°F
Mar 7	45.6°F	47.1°F	45.2°F
Mar 8	45.7°F	46.9°F	45.3°F
Mar 9	45.2°F	46.2°F	45.2°F
Mar 10	45.4°F	46.3°F	45.2°F
Mar 11	45.9°F	46.7°F	45.2°F
Mar 12	45.9°F	46.7°F	45.2°F
Mar 13	46.0°F	46.7°F	45.4°F
Mar 14	46.1°F	46.7°F	45.5°F
Mar 15	46.2°F	46.7°F	45.6°F
Mar 16	46.4°F	47.5°F	45.8°F
Mar 17	46.6°F	47.5°F	46.0°F
Mar 18	46.5°F	47.7°F	45.9°F
Mar 19	46.8°F	32.0°F	46.1°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 Swansea by month

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

The warmest water in Swansea was recorded on August 14, 2022, reaching a 68.4°F. While the coldest temperature occurred on March 10, 2018, dipping to 42.2°F. The average readings by season are 47.2°F in Winter, 49.7°F in Spring, 62.8°F in Summer, and 59.2°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Barry	45.6°F	32mi
Cardiff	45.2°F	34mi
Newport	45.3°F	41mi
Aberystwyth	46.1°F	55mi

* current water temperature in this city

** straight line distance from Swansea