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 16.3°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

61.3

°F

October 18, 14:43

Trend:

stable

Yesterday:

61.3°F

Tomorrow:

61.2°F

Sunrise:

07:44

Sunset:

18:17

Day Length:

10 h. 33 min.

Swansea in October

Minimum:

44.7°F

Average:

47.0°F

Maximum:

49.6°F

Sea water temperature in Swansea today

As of now, in Swansea, the water temperature is 61.3°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 2.2°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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 60.7°F on 2023, while the historical minimum was 57.7°F on 2024.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 60.7°F, the minimum temperature may reach 60.3°F, and the maximum might stay at 61.2°F.

Daily water temperature in Swansea

Date	Current Year actual* / forecast**	last year	10 years average
Oct 4	63.6°F	60.9°F	61.4°F
Oct 5	63.3°F	60.4°F	61.1°F
Oct 6	63.4°F	60.1°F	60.9°F
Oct 7	63.5°F	60.2°F	60.9°F
Oct 8	63.3°F	60.1°F	60.8°F
Oct 9	63.1°F	60.0°F	60.6°F
Oct 10	62.5°F	59.8°F	60.4°F
Oct 11	62.0°F	59.6°F	60.2°F
Oct 12	61.9°F	59.7°F	60.2°F
Oct 13	61.5°F	59.7°F	59.9°F
Oct 14	62.0°F	59.7°F	60.0°F
Oct 15	61.9°F	59.5°F	59.9°F
Oct 16	61.7°F	59.2°F	59.7°F
Oct 17	61.3°F	59.1°F	59.5°F
Oct 18	61.3°F	58.9°F	59.1°F
Oct 19	61.2°F	58.7°F	59.0°F
Oct 20	61.1°F	58.5°F	58.9°F
Oct 21	61.0°F	58.5°F	58.8°F
Oct 22	60.8°F	58.4°F	58.6°F
Oct 23	60.6°F	58.1°F	58.4°F
Oct 24	60.3°F	57.7°F	58.1°F
Oct 25	60.3°F	57.7°F	58.1°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 19, 2026, reaching a 70.0°F. While the coldest temperature occurred on March 10, 2018, dipping to 42.2°F. The average readings by season are 47.1°F in Winter, 50.1°F in Spring, 63.4°F in Summer, and 59.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Barry	61.2°F	32mi
Cardiff	61.0°F	34mi
Newport	60.3°F	41mi
Aberystwyth	58.7°F	55mi

* current water temperature in this city

** straight line distance from Swansea