What is the current water temperature in Belfast?

Q: What is the current water temperature in Belfast?

As of now, in Belfast, the water temperature is 12.76°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 > Belfast

Water temperature in Belfast

Detailed information about the current water temperature in Belfast. 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.

55.0

°F

June 6, 15:14

Trend:

decreasing

Yesterday:

55.4°F

Tomorrow:

54.9°F

Sunrise:

04:51

Sunset:

21:54

Day Length:

17 h. 3 min.

Belfast in June

Minimum:

42.4°F

Average:

47.9°F

Maximum:

49.8°F

Sea water temperature in Belfast today

As of now, in Belfast, the water temperature is 55.0°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 0.4°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 58.3°F on 2023, while the historical minimum was 52.0°F on 2017.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 55.2°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Belfast

Date	Current Year actual* / forecast**	last year	10 years average
May 23	53.7°F	57.3°F	52.4°F
May 24	53.8°F	56.8°F	52.4°F
May 25	54.7°F	56.4°F	52.6°F
May 26	55.9°F	56.6°F	52.9°F
May 27	56.4°F	56.1°F	52.9°F
May 28	56.0°F	55.6°F	52.9°F
May 29	56.2°F	55.0°F	52.8°F
May 30	56.1°F	54.6°F	53.0°F
May 31	56.4°F	54.9°F	53.2°F
Jun 1	56.2°F	54.9°F	53.3°F
Jun 2	56.3°F	55.0°F	53.4°F
Jun 3	56.2°F	55.2°F	53.8°F
Jun 4	55.7°F	55.2°F	54.2°F
Jun 5	55.4°F	55.0°F	54.5°F
Jun 6	55.0°F	55.3°F	54.6°F
Jun 7	54.9°F	55.0°F	54.5°F
Jun 8	54.9°F	54.8°F	54.5°F
Jun 9	55.0°F	54.9°F	54.7°F
Jun 10	55.2°F	54.7°F	54.8°F
Jun 11	55.3°F	55.2°F	54.9°F
Jun 12	55.6°F	55.7°F	55.2°F
Jun 13	55.6°F	55.7°F	55.3°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 Belfast by month

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

The warmest water in Belfast was recorded on August 14, 2022, reaching a 62.9°F. While the coldest temperature occurred on January 9, 2021, dipping to 42.4°F. The average readings by season are 47.7°F in Winter, 48.2°F in Spring, 57.0°F in Summer, and 55.8°F in Autumn.