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

53.7

°F

June 6, 19:50

Trend:

stable

Yesterday:

53.5°F

Tomorrow:

53.6°F

Sunrise:

07:55

Sunset:

17:00

Day Length:

9 h. 5 min.

Belfast in June

Minimum:

60.0°F

Average:

62.4°F

Maximum:

65.3°F

Sea water temperature in Belfast today

As of now, in Belfast, the water temperature is 53.7°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 1.1°F higher 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 stay about the same.

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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 54.0°F on 2022, while the historical minimum was 51.2°F on 2015.

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 53.2°F, the minimum temperature may reach 52.7°F, and the maximum might stay at 53.6°F.

Daily water temperature in Belfast

Date Current Year

actual* / forecast**

last year 10 years average
May 23 54.2°F 53.3°F 54.6°F
May 24 53.9°F 53.3°F 54.4°F
May 25 53.7°F 53.2°F 54.2°F
May 26 54.8°F 52.7°F 54.1°F
May 27 54.3°F 52.6°F 54.0°F
May 28 54.2°F 52.3°F 53.8°F
May 29 54.3°F 52.2°F 53.6°F
May 30 54.1°F 52.4°F 53.7°F
May 31 54.2°F 52.1°F 53.6°F
Jun 1 54.2°F 51.9°F 53.4°F
Jun 2 53.8°F 51.6°F 53.3°F
Jun 3 53.7°F 51.6°F 53.0°F
Jun 4 53.5°F 52.2°F 52.9°F
Jun 5 53.5°F 51.8°F 52.8°F
Jun 6 53.7°F 51.6°F 52.6°F
Jun 7 53.6°F 50.8°F 52.5°F
Jun 8 53.5°F 51.0°F 52.4°F
Jun 9 53.3°F 51.2°F 52.3°F
Jun 10 53.3°F 51.4°F 52.2°F
Jun 11 53.0°F 51.6°F 51.9°F
Jun 12 53.0°F 50.8°F 51.9°F
Jun 13 52.7°F 50.6°F 51.6°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.