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

64.2

°F

January 31, 16:29

Trend:

stable

Yesterday:

64.0°F

Tomorrow:

64.0°F

Sunrise:

06:28

Sunset:

20:57

Day Length:

14 h. 29 min.

Belfast in February

Minimum:

60.4°F

Average:

62.4°F

Maximum:

64.6°F

Sea water temperature in Belfast today

As of now, in Belfast, the water temperature is 64.2°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 0.7°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming 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 69.7°F on 2018, while the historical minimum was 61.8°F on 2017.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 63.4°F, the minimum temperature may reach 63.0°F, and the maximum might stay at 64.0°F.

Daily water temperature in Belfast

Date Current Year

actual* / forecast**

last year 10 years average
Jan 17 61.2°F 64.0°F 63.0°F
Jan 18 60.9°F 63.5°F 63.1°F
Jan 19 61.2°F 64.0°F 63.4°F
Jan 20 61.2°F 63.2°F 63.5°F
Jan 21 62.2°F 62.0°F 63.5°F
Jan 22 63.3°F 63.3°F 63.9°F
Jan 23 63.8°F 64.3°F 64.1°F
Jan 24 63.7°F 64.3°F 64.3°F
Jan 25 64.5°F 64.1°F 64.3°F
Jan 26 64.3°F 63.8°F 64.2°F
Jan 27 64.5°F 62.0°F 64.4°F
Jan 28 63.9°F 61.2°F 64.3°F
Jan 29 64.5°F 62.1°F 64.5°F
Jan 30 64.0°F 63.1°F 64.7°F
Jan 31 64.2°F 63.6°F 64.9°F
Feb 1 64.0°F 64.3°F 64.7°F
Feb 2 63.9°F 64.1°F 64.6°F
Feb 3 63.7°F 63.5°F 64.4°F
Feb 4 63.2°F 62.2°F 63.9°F
Feb 5 63.3°F 62.5°F 64.1°F
Feb 6 63.0°F 62.6°F 63.7°F
Feb 7 63.0°F 63.1°F 63.7°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.