All data are in degrees Fahrenheit

en

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.
Sea temperature in Belfast now

62.2

°F

September 7, 08:34

Trend:

decreasing

Yesterday:

63.1°F

Tomorrow:

62.0°F

Sunrise:

06:05

Sunset:

19:02

Day Length:

12 h. 57 min.

Belfast in September

Minimum:

38.7°F

Average:

40.2°F

Maximum:

42.7°F

Sea water temperature in Belfast today

As of now, in Belfast, the water temperature is 62.2°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 0.4°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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 66.1°F on 2023, while the historical minimum was 57.6°F on 2017.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 61.8°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
Aug 24 63.5°F 62.7°F 63.4°F
Aug 25 63.0°F 63.2°F 63.4°F
Aug 26 60.8°F 62.3°F 63.1°F
Aug 27 61.8°F 64.1°F 63.4°F
Aug 28 62.4°F 63.1°F 63.5°F
Aug 29 62.1°F 64.5°F 63.8°F
Aug 30 61.4°F 63.6°F 63.3°F
Aug 31 61.4°F 62.7°F 63.2°F
Sep 1 61.5°F 61.8°F 62.9°F
Sep 2 62.0°F 63.7°F 62.4°F
Sep 3 63.1°F 62.9°F 61.8°F
Sep 4 62.9°F 62.0°F 61.6°F
Sep 5 63.9°F 62.5°F 61.6°F
Sep 6 63.1°F 62.0°F 61.6°F
Sep 7 62.2°F 61.4°F 61.8°F
Sep 8 62.0°F 61.0°F 61.6°F
Sep 9 61.8°F 61.4°F 61.4°F
Sep 10 62.0°F 60.9°F 61.6°F
Sep 11 61.9°F 60.2°F 61.5°F
Sep 12 61.8°F 59.6°F 61.4°F
Sep 13 61.4°F 60.2°F 61.0°F
Sep 14 61.8°F 61.2°F 61.3°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 July 30, 2023, reaching a 71.2°F. While the coldest temperature occurred on March 2, 2015, dipping to 32.0°F. The average readings by season are 39.8°F in Winter, 41.6°F in Spring, 60.5°F in Summer, and 55.7°F in Autumn.