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 8.62°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.

47.5

°F

April 1, 20:31

Trend:

increasing

Yesterday:

47.1°F

Tomorrow:

47.5°F

Sunrise:

06:57

Sunset:

20:00

Day Length:

13 h. 3 min.

Belfast in April

Minimum:

43.4°F

Average:

48.3°F

Maximum:

49.9°F

Sea water temperature in Belfast today

As of now, in Belfast, the water temperature is 47.5°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 1.0°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 48.1°F on 2022, 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 47.8°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
Mar 18	46.0°F	45.9°F	45.4°F
Mar 19	46.0°F	46.0°F	45.4°F
Mar 20	45.7°F	45.8°F	45.4°F
Mar 21	46.3°F	45.7°F	45.5°F
Mar 22	45.9°F	45.8°F	45.5°F
Mar 23	46.2°F	45.8°F	45.6°F
Mar 24	46.3°F	46.0°F	45.7°F
Mar 25	46.4°F	46.0°F	45.7°F
Mar 26	46.5°F	46.4°F	45.8°F
Mar 27	46.2°F	46.5°F	45.9°F
Mar 28	46.6°F	46.8°F	46.1°F
Mar 29	46.8°F	46.9°F	46.3°F
Mar 30	46.7°F	46.9°F	46.3°F
Mar 31	47.1°F	47.1°F	46.4°F
Apr 1	47.5°F	47.2°F	46.5°F
Apr 2	47.5°F	47.0°F	46.5°F
Apr 3	47.6°F	47.6°F	46.5°F
Apr 4	47.6°F	48.3°F	46.6°F
Apr 5	47.7°F	48.4°F	46.7°F
Apr 6	47.8°F	48.9°F	46.8°F
Apr 7	47.9°F	49.2°F	46.9°F
Apr 8	48.1°F	49.2°F	47.1°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 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, 48.1°F in Spring, 57.0°F in Summer, and 55.8°F in Autumn.