What is the current water temperature in Belfast?

Q: What is the current water temperature in Belfast?

As of now, in Belfast, the water temperature is 7.33°C. 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.

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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.

45.2

°F

June 2, 03:39

Trend:

stable

Yesterday:

44.5°F

Tomorrow:

44.8°F

Sunrise:

05:24

Sunset:

20:56

Day Length:

15 h. 32 min.

Belfast in June

Minimum:

32.0°F

Average:

32.4°F

Maximum:

33.9°F

Sea water temperature in Belfast today

As of now, in Belfast, the water temperature is 45.2°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 3.3°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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 50.8°F on 2023, while the historical minimum was 46.4°F on 2018.

latest data

last year

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. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 45.9°F, with minimum temperature starting at 44.8°F, while the maximum might reach 46.7°F.

Daily water temperature in Belfast

Date	Current Year actual* / forecast**	last year	10 years average
May 19	45.4°F	46.1°F	44.7°F
May 20	46.6°F	45.8°F	44.9°F
May 21	46.2°F	45.0°F	45.0°F
May 22	46.3°F	45.2°F	45.0°F
May 23	46.8°F	48.4°F	45.7°F
May 24	46.1°F	46.0°F	45.5°F
May 25	46.1°F	45.0°F	45.7°F
May 26	46.5°F	43.8°F	46.4°F
May 27	46.1°F	48.0°F	46.1°F
May 28	44.8°F	50.0°F	45.9°F
May 29	46.8°F	50.9°F	47.0°F
May 30	46.0°F	49.8°F	47.2°F
May 31	44.4°F	49.6°F	47.1°F
Jun 1	44.5°F	48.5°F	47.8°F
Jun 2	45.2°F	50.3°F	48.5°F
Jun 3	44.8°F	51.3°F	48.1°F
Jun 4	44.8°F	52.1°F	48.1°F
Jun 5	46.0°F	54.2°F	49.3°F
Jun 6	46.1°F	53.5°F	49.4°F
Jun 7	46.2°F	53.6°F	49.5°F
Jun 8	46.5°F	53.3°F	49.8°F
Jun 9	46.7°F	54.8°F	50.0°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 August 12, 2020, reaching a 73.6°F. While the coldest temperature occurred on January 1, 2018, dipping to 32.0°F. The average readings by season are 33.1°F in Winter, 36.8°F in Spring, 61.5°F in Summer, and 55.1°F in Autumn.