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 7.98°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.

46.4

°F

March 26, 21:13

Trend:

increasing

Yesterday:

46.0°F

Tomorrow:

46.5°F

Sunrise:

06:12

Sunset:

18:48

Day Length:

12 h. 36 min.

Belfast in April

Minimum:

43.4°F

Average:

48.4°F

Maximum:

49.9°F

Sea water temperature in Belfast today

As of now, in Belfast, the water temperature is 46.4°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 0.8°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 rise a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 47.0°F on 2017, while the historical minimum was 43.8°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. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 46.8°F, with minimum temperature starting at 46.5°F, while the maximum might reach 47.1°F.

Daily water temperature in Belfast

Date	Current Year actual* / forecast**	last year	10 years average
Mar 12	46.2°F	45.3°F	45.0°F
Mar 13	46.3°F	45.3°F	45.0°F
Mar 14	46.2°F	45.3°F	44.9°F
Mar 15	46.0°F	45.3°F	45.0°F
Mar 16	45.9°F	45.5°F	45.1°F
Mar 17	45.9°F	45.6°F	45.2°F
Mar 18	45.9°F	45.6°F	45.2°F
Mar 19	46.0°F	45.7°F	45.2°F
Mar 20	45.8°F	45.7°F	45.2°F
Mar 21	45.7°F	45.8°F	45.3°F
Mar 22	45.8°F	46.2°F	45.4°F
Mar 23	45.8°F	46.4°F	45.4°F
Mar 24	46.0°F	46.3°F	45.5°F
Mar 25	46.0°F	46.3°F	45.5°F
Mar 26	46.4°F	46.2°F	45.5°F
Mar 27	46.5°F	46.2°F	45.7°F
Mar 28	46.7°F	46.1°F	45.8°F
Mar 29	46.8°F	46.2°F	46.0°F
Mar 30	46.8°F	46.3°F	46.0°F
Mar 31	47.0°F	46.3°F	46.1°F
Apr 1	47.0°F	46.5°F	46.2°F
Apr 2	47.1°F	46.5°F	46.3°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 47.8°F in Winter, 47.7°F in Spring, 56.4°F in Summer, and 55.7°F in Autumn.