All data are in degrees Fahrenheit

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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.
Sea temperature in Belfast now

62.5

°F

March 15, 16:09

Trend:

stable

Yesterday:

62.7°F

Tomorrow:

62.5°F

Sunrise:

07:25

Sunset:

19:52

Day Length:

12 h. 27 min.

Belfast in March

Minimum:

61.0°F

Average:

62.5°F

Maximum:

64.5°F

Sea water temperature in Belfast today

As of now, in Belfast, the water temperature is 62.5°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 about the same as 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 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 64.0°F on 2019, while the historical minimum was 60.7°F on 2020.

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 62.0°F, the minimum temperature may reach 61.6°F, and the maximum might stay at 62.5°F.

Daily water temperature in Belfast

Date Current Year

actual* / forecast**

last year 10 years average
Mar 1 63.8°F 63.7°F 63.4°F
Mar 2 63.4°F 64.0°F 63.6°F
Mar 3 64.8°F 63.9°F 63.8°F
Mar 4 64.7°F 64.1°F 63.7°F
Mar 5 64.5°F 63.8°F 64.0°F
Mar 6 64.1°F 63.3°F 63.8°F
Mar 7 63.2°F 63.3°F 63.5°F
Mar 8 62.9°F 62.7°F 63.3°F
Mar 9 63.2°F 62.8°F 63.0°F
Mar 10 63.3°F 61.8°F 62.9°F
Mar 11 63.6°F 62.4°F 63.1°F
Mar 12 63.8°F 62.2°F 62.8°F
Mar 13 63.4°F 62.2°F 63.0°F
Mar 14 62.7°F 61.4°F 62.6°F
Mar 15 62.5°F 61.0°F 62.4°F
Mar 16 62.5°F 60.9°F 62.5°F
Mar 17 62.3°F 60.3°F 62.3°F
Mar 18 62.0°F 60.3°F 62.0°F
Mar 19 61.9°F 60.6°F 61.9°F
Mar 20 61.7°F 60.2°F 61.6°F
Mar 21 61.9°F 60.5°F 61.9°F
Mar 22 61.6°F 59.8°F 61.6°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 January 31, 2018, reaching a 69.7°F. While the coldest temperature occurred on August 12, 2015, dipping to 45.5°F. The average readings by season are 62.8°F in Winter, 59.0°F in Spring, 49.7°F in Summer, and 53.9°F in Autumn.