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 10.29°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.

50.5

°F

October 25, 09:04

Trend:

decreasing

Yesterday:

50.7°F

Tomorrow:

50.5°F

Sunrise:

07:42

Sunset:

18:09

Day Length:

10 h. 27 min.

Belfast in November

Minimum:

32.0°F

Average:

32.1°F

Maximum:

33.1°F

Sea water temperature in Belfast today

As of now, in Belfast, the water temperature is 50.5°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 4.0°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 considerably 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 56.5°F on 2021, while the historical minimum was 51.4°F on 2018.

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 shows a gradual cooling trend. The average temperature is expected to be 49.6°F, the minimum temperature may reach 48.4°F, and the maximum might stay at 50.5°F.

Daily water temperature in Belfast

Date	Current Year actual* / forecast**	last year	10 years average
Oct 11	56.2°F	58.2°F	58.0°F
Oct 12	56.0°F	57.2°F	57.4°F
Oct 13	55.2°F	56.8°F	57.1°F
Oct 14	55.6°F	55.9°F	56.6°F
Oct 15	55.0°F	56.7°F	56.4°F
Oct 16	54.6°F	56.8°F	56.2°F
Oct 17	54.7°F	56.7°F	55.9°F
Oct 18	51.9°F	56.6°F	55.5°F
Oct 19	51.9°F	56.0°F	55.5°F
Oct 20	50.5°F	55.6°F	55.1°F
Oct 21	50.5°F	54.6°F	54.9°F
Oct 22	51.1°F	55.7°F	54.8°F
Oct 23	50.7°F	55.9°F	54.4°F
Oct 24	50.7°F	55.7°F	54.4°F
Oct 25	50.5°F	55.6°F	54.6°F
Oct 26	50.5°F	55.2°F	54.5°F
Oct 27	50.4°F	55.8°F	54.4°F
Oct 28	50.2°F	55.5°F	54.2°F
Oct 29	49.8°F	55.0°F	53.9°F
Oct 30	49.2°F	54.5°F	53.2°F
Oct 31	48.9°F	54.0°F	52.9°F
Nov 1	48.4°F	55.1°F	52.4°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 55.0°F in Autumn.