What is the current water temperature in Bangor?

Q: What is the current water temperature in Bangor?

As of now, in Bangor, the water temperature is 6.45°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.

United Kingdom > Bangor

Water temperature in Bangor

Detailed information about the current water temperature in Bangor. 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.

43.6

°F

February 19, 13:18

Trend:

decreasing

Yesterday:

43.8°F

Tomorrow:

43.5°F

Sunrise:

07:27

Sunset:

17:35

Day Length:

10 h. 8 min.

Bangor in February

Minimum:

45.8°F

Average:

47.2°F

Maximum:

49.2°F

Sea water temperature in Bangor today

As of now, in Bangor, the water temperature is 43.6°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 0.8°F lower than 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 stay about the same.

Recent sea temperature and forecast

Today's water temperature slightly varies from the average of the past two weeks. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 45.9°F on 2024, while the historical minimum was 42.7°F on 2018.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 43.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Bangor

Date	Current Year actual* / forecast**	last year	10 years average
Feb 5	43.0°F	44.3°F	44.8°F
Feb 6	43.3°F	43.9°F	44.7°F
Feb 7	43.1°F	44.2°F	44.6°F
Feb 8	43.9°F	44.1°F	44.7°F
Feb 9	43.2°F	44.1°F	44.6°F
Feb 10	43.4°F	43.7°F	44.7°F
Feb 11	43.6°F	43.9°F	44.8°F
Feb 12	43.6°F	43.8°F	44.7°F
Feb 13	44.1°F	43.9°F	44.7°F
Feb 14	44.1°F	43.6°F	44.6°F
Feb 15	43.9°F	43.7°F	44.5°F
Feb 16	43.7°F	43.2°F	44.4°F
Feb 17	43.7°F	43.1°F	44.4°F
Feb 18	43.8°F	43.1°F	44.4°F
Feb 19	43.6°F	43.1°F	44.4°F
Feb 20	43.5°F	42.9°F	44.3°F
Feb 21	43.6°F	43.0°F	44.5°F
Feb 22	43.8°F	42.9°F	44.6°F
Feb 23	43.9°F	43.6°F	44.7°F
Feb 24	44.0°F	43.9°F	44.8°F
Feb 25	43.9°F	44.0°F	44.7°F
Feb 26	43.9°F	44.4°F	44.7°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 Bangor by month

In an average year, Bangor offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Bangor was recorded on August 27, 2025, reaching a 65.2°F. While the coldest temperature occurred on March 9, 2018, dipping to 41.1°F. The average readings by season are 46.3°F in Winter, 48.3°F in Spring, 59.9°F in Summer, and 57.1°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Caernarfon	44.2°F	8mi
Conwy	43.1°F	13mi
Holyhead	46.7°F	21mi
Aberystwyth	45.4°F	56mi
Douglas	46.7°F	65mi

* current water temperature in this city

** straight line distance from Bangor