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 10.23°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.

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.

50.4

°F

September 16, 12:05

Trend:

increasing

Yesterday:

50.3°F

Tomorrow:

50.6°F

Sunrise:

06:31

Sunset:

18:19

Day Length:

11 h. 48 min.

Belfast in September

Minimum:

60.2°F

Average:

62.9°F

Maximum:

65.7°F

Sea water temperature in Belfast today

As of now, in Belfast, the water temperature is 50.4°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 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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 51.7°F on 2018, while the historical minimum was 48.5°F on 2015.

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 50.8°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
Sep 2	49.4°F	50.0°F	49.6°F
Sep 3	49.2°F	49.8°F	49.5°F
Sep 4	49.2°F	49.7°F	49.4°F
Sep 5	49.7°F	49.7°F	49.5°F
Sep 6	49.6°F	49.7°F	49.5°F
Sep 7	49.6°F	50.3°F	49.6°F
Sep 8	49.5°F	50.7°F	49.6°F
Sep 9	49.7°F	50.5°F	49.7°F
Sep 10	50.0°F	50.6°F	49.9°F
Sep 11	49.9°F	50.5°F	49.9°F
Sep 12	49.7°F	51.0°F	50.0°F
Sep 13	50.0°F	51.0°F	50.1°F
Sep 14	50.5°F	51.0°F	50.2°F
Sep 15	50.3°F	51.0°F	50.3°F
Sep 16	50.4°F	51.0°F	50.4°F
Sep 17	50.6°F	50.9°F	50.6°F
Sep 18	50.6°F	50.8°F	50.6°F
Sep 19	50.6°F	50.6°F	50.5°F
Sep 20	50.6°F	50.4°F	50.6°F
Sep 21	50.8°F	50.6°F	50.8°F
Sep 22	51.0°F	51.6°F	50.9°F
Sep 23	51.0°F	50.8°F	51.0°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 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.