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

62.4

°F

January 7, 16:28

Trend:

increasing

Yesterday:

62.3°F

Tomorrow:

62.6°F

Sunrise:

05:58

Sunset:

21:13

Day Length:

15 h. 15 min.

Belfast in January

Minimum:

60.3°F

Average:

62.3°F

Maximum:

64.1°F

Sea water temperature in Belfast today

As of now, in Belfast, the water temperature is 62.4°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 rise a bit.

Recent sea temperature and forecast

Today's water temperature slightly varies from the average of the past two weeks. 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 65.4°F on 2019, while the historical minimum was 60.0°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 suggests a gradual increase. The average temperature is expected to rise up to 62.9°F, with minimum temperature starting at 62.6°F, while the maximum might reach 63.2°F.

Daily water temperature in Belfast

Date Current Year

actual* / forecast**

last year 10 years average
Jan 1 62.5°F 62.7°F 62.3°F
Jan 2 62.7°F 62.8°F 62.5°F
Jan 3 62.6°F 62.6°F 62.6°F
Jan 4 62.3°F 62.7°F 62.5°F
Jan 5 62.1°F 62.4°F 62.4°F
Jan 6 62.3°F 62.3°F 62.5°F
Jan 7 62.4°F 61.3°F 62.6°F
Jan 8 62.6°F 61.2°F 62.8°F
Jan 9 62.8°F 60.7°F 63.0°F
Jan 10 62.9°F 60.9°F 63.1°F
Jan 11 63.2°F 61.8°F 63.4°F
Jan 12 63.1°F 61.9°F 63.3°F
Jan 13 62.9°F 61.7°F 63.1°F
Jan 14 62.9°F 61.2°F 63.1°F
Dec 24 62.6°F 64.1°F 61.8°F
Dec 25 62.8°F 64.4°F 62.1°F
Dec 26 62.8°F 64.1°F 62.3°F
Dec 27 62.5°F 63.6°F 62.4°F
Dec 28 62.7°F 63.7°F 62.5°F
Dec 29 62.3°F 63.3°F 62.3°F
Dec 30 62.4°F 63.3°F 62.5°F
Dec 31 62.3°F 63.0°F 62.3°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 January 31, 2018, reaching a 69.7°F. While the coldest temperature occurred on August 14, 2022, dipping to 46.6°F. The average readings by season are 62.9°F in Winter, 59.0°F in Spring, 49.9°F in Summer, and 54.1°F in Autumn.