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 1.2°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.

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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.

34.2

°F

April 10, 02:45

Trend:

increasing

Yesterday:

33.8°F

Tomorrow:

34.8°F

Sunrise:

06:35

Sunset:

19:52

Day Length:

13 h. 17 min.

Belfast in April

Minimum:

32.0°F

Average:

32.6°F

Maximum:

34.7°F

Sea water temperature in Belfast today

As of now, in Belfast, the water temperature is 34.2°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. 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

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 36.6°F on 2023, while the historical minimum was 32.0°F on 2016.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 35.3°F, with minimum temperature starting at 34.6°F, while the maximum might reach 36.1°F.

Daily water temperature in Belfast

Date	Current Year actual* / forecast**	last year	10 years average
Mar 27	32.0°F	32.8°F	32.2°F
Mar 28	32.0°F	32.4°F	32.3°F
Mar 29	32.0°F	32.5°F	32.2°F
Mar 30	32.0°F	34.3°F	32.9°F
Mar 31	32.0°F	33.4°F	32.7°F
Apr 1	32.0°F	32.8°F	32.5°F
Apr 2	32.0°F	34.8°F	32.8°F
Apr 3	32.0°F	35.1°F	33.0°F
Apr 4	32.0°F	35.1°F	32.8°F
Apr 5	32.0°F	34.9°F	33.0°F
Apr 6	32.0°F	34.4°F	32.8°F
Apr 7	32.0°F	33.6°F	32.8°F
Apr 8	32.0°F	33.2°F	33.2°F
Apr 9	33.8°F	32.4°F	33.4°F
Apr 10	34.2°F	34.8°F	33.7°F
Apr 11	34.8°F	35.9°F	34.4°F
Apr 12	34.6°F	35.6°F	34.1°F
Apr 13	34.8°F	35.2°F	34.3°F
Apr 14	34.8°F	34.6°F	34.4°F
Apr 15	35.7°F	35.1°F	35.3°F
Apr 16	36.1°F	35.2°F	35.6°F
Apr 17	36.1°F	35.8°F	35.7°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 12, 2020, reaching a 73.6°F. While the coldest temperature occurred on January 1, 2018, dipping to 32.0°F. The average readings by season are 33.1°F in Winter, 36.8°F in Spring, 61.5°F in Summer, and 55.1°F in Autumn.