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 12.19°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.

53.9

°F

November 3, 15:11

Trend:

stable

Yesterday:

53.9°F

Tomorrow:

53.8°F

Sunrise:

07:18

Sunset:

16:41

Day Length:

9 h. 23 min.

Bangor in November

Minimum:

45.0°F

Average:

46.2°F

Maximum:

48.1°F

Sea water temperature in Bangor today

As of now, in Bangor, the water temperature is 53.9°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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. 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 55.7°F on 2017, while the historical minimum was 53.0°F on 2018.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 53.4°F, the minimum temperature may reach 53.1°F, and the maximum might stay at 53.8°F.

Daily water temperature in Bangor

Date	Current Year actual* / forecast**	last year	10 years average
Oct 20	56.9°F	55.6°F	56.7°F
Oct 21	56.7°F	55.7°F	56.6°F
Oct 22	56.7°F	55.7°F	56.5°F
Oct 23	56.4°F	55.5°F	56.2°F
Oct 24	56.1°F	55.4°F	56.0°F
Oct 25	56.0°F	55.7°F	55.8°F
Oct 26	55.9°F	55.3°F	55.7°F
Oct 27	55.7°F	55.5°F	55.8°F
Oct 28	55.6°F	55.3°F	55.6°F
Oct 29	55.3°F	55.2°F	55.5°F
Oct 30	55.0°F	55.0°F	55.3°F
Oct 31	54.4°F	54.9°F	55.1°F
Nov 1	54.3°F	54.7°F	54.9°F
Nov 2	53.9°F	54.6°F	54.8°F
Nov 3	53.9°F	54.4°F	54.7°F
Nov 4	53.8°F	54.2°F	54.5°F
Nov 5	53.7°F	54.1°F	54.5°F
Nov 6	53.5°F	54.0°F	54.3°F
Nov 7	53.4°F	53.8°F	54.2°F
Nov 8	53.3°F	54.2°F	54.1°F
Nov 9	53.2°F	54.1°F	54.0°F
Nov 10	53.1°F	53.9°F	53.8°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, 48.1°F in Spring, 59.6°F in Summer, and 57.0°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Caernarfon	54.8°F	8mi
Conwy	53.0°F	13mi
Holyhead	55.6°F	21mi
Aberystwyth	54.0°F	56mi
Douglas	55.1°F	65mi

* current water temperature in this city

** straight line distance from Bangor