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 9.29°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.

48.7

°F

November 11, 20:30

Trend:

decreasing

Yesterday:

49.5°F

Tomorrow:

48.4°F

Sunrise:

07:06

Sunset:

16:44

Day Length:

9 h. 38 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 48.7°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 1.2°F higher 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 fall a bit.

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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 52.4°F on 2022, while the historical minimum was 43.0°F on 2016.

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 shows a gradual cooling trend. The average temperature is expected to be 46.6°F, the minimum temperature may reach 44.5°F, and the maximum might stay at 48.4°F.

Daily water temperature in Belfast

Date	Current Year actual* / forecast**	last year	10 years average
Oct 28	55.5°F	52.5°F	54.1°F
Oct 29	55.0°F	51.5°F	53.6°F
Oct 30	54.5°F	51.8°F	53.0°F
Oct 31	54.0°F	51.4°F	52.8°F
Nov 1	55.1°F	51.1°F	52.3°F
Nov 2	53.2°F	49.5°F	51.0°F
Nov 3	52.2°F	49.7°F	50.3°F
Nov 4	52.2°F	49.5°F	49.6°F
Nov 5	51.8°F	48.3°F	49.0°F
Nov 6	51.0°F	46.4°F	47.7°F
Nov 7	49.7°F	47.5°F	47.7°F
Nov 8	51.2°F	48.6°F	48.9°F
Nov 9	50.1°F	47.9°F	48.2°F
Nov 10	49.5°F	47.6°F	47.9°F
Nov 11	48.7°F	47.2°F	47.5°F
Nov 12	48.4°F	47.0°F	47.2°F
Nov 13	47.8°F	46.3°F	46.6°F
Nov 14	47.3°F	45.9°F	46.1°F
Nov 15	46.5°F	45.2°F	45.3°F
Nov 16	46.3°F	43.8°F	45.1°F
Nov 17	45.2°F	42.3°F	44.0°F
Nov 18	44.5°F	41.9°F	43.3°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 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.