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 18.29°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

New Zealand > Belfast

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.

64.9

°F

January 9, 13:16

Trend:

increasing

Yesterday:

64.8°F

Tomorrow:

65.1°F

Sunrise:

06:00

Sunset:

21:13

Day Length:

15 h. 13 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 64.9°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 2.0°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 rise 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 65.7°F on 2024, while the historical minimum was 60.2°F on 2017.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 65.2°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

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	63.1°F	61.3°F	62.6°F
Jan 8	64.8°F	61.2°F	62.8°F
Jan 9	64.9°F	60.7°F	63.0°F
Jan 10	65.1°F	60.9°F	63.1°F
Jan 11	65.4°F	61.8°F	63.4°F
Jan 12	65.3°F	61.9°F	63.3°F
Jan 13	65.1°F	61.7°F	63.1°F
Jan 14	65.1°F	61.2°F	63.1°F
Jan 15	65.2°F	61.1°F	63.2°F
Jan 16	65.2°F	62.0°F	63.2°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.