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 0.0°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.

32.0

°F

December 31, 14:16

Trend:

stable

Yesterday:

32.0°F

Tomorrow:

32.0°F

Sunrise:

07:54

Sunset:

16:35

Day Length:

8 h. 41 min.

Belfast in January

Minimum:

32.0°F

Average:

32.8°F

Maximum:

34.7°F

Sea water temperature in Belfast today

As of now, in Belfast, the water temperature is 32.0°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 0.8°F lower 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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 35.6°F on 2020, while the historical minimum was 32.0°F on 2017.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 31.8°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
Jan 1	32.0°F	32.8°F	32.8°F
Jan 2	32.0°F	32.8°F	32.8°F
Jan 3	32.0°F	32.8°F	32.8°F
Jan 4	31.8°F	32.9°F	32.6°F
Jan 5	31.7°F	32.8°F	32.5°F
Jan 6	31.6°F	32.5°F	32.4°F
Jan 7	31.4°F	32.0°F	32.3°F
Dec 17	32.8°F	35.4°F	35.0°F
Dec 18	32.2°F	33.2°F	34.3°F
Dec 19	32.0°F	34.0°F	34.2°F
Dec 20	32.0°F	34.0°F	34.1°F
Dec 21	32.5°F	34.1°F	34.0°F
Dec 22	32.7°F	34.2°F	34.0°F
Dec 23	33.0°F	34.0°F	34.0°F
Dec 24	32.0°F	34.3°F	33.8°F
Dec 25	32.0°F	32.0°F	33.3°F
Dec 26	32.0°F	32.3°F	33.3°F
Dec 27	32.0°F	32.5°F	33.4°F
Dec 28	32.0°F	32.2°F	33.3°F
Dec 29	32.0°F	32.0°F	33.0°F
Dec 30	32.0°F	32.0°F	32.9°F
Dec 31	32.0°F	32.0°F	32.8°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 33.2°F in Winter, 36.6°F in Spring, 61.4°F in Summer, and 55.1°F in Autumn.