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 12.01°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.

53.6

°F

November 13, 23:14

Trend:

decreasing

Yesterday:

53.7°F

Tomorrow:

53.4°F

Sunrise:

07:37

Sunset:

16:24

Day Length:

8 h. 47 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 53.6°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 0.2°F higher 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 slightly 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 54.5°F on 2015, while the historical minimum was 51.9°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 minimum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 53.1°F, the minimum temperature may reach 52.7°F, and the maximum might stay at 53.4°F.

Daily water temperature in Bangor

Date	Current Year actual* / forecast**	last year	10 years average
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	54.6°F
Nov 4	53.8°F	54.2°F	54.5°F
Nov 5	53.7°F	54.1°F	54.4°F
Nov 6	53.6°F	54.0°F	54.2°F
Nov 7	54.0°F	53.8°F	54.1°F
Nov 8	54.0°F	54.2°F	54.1°F
Nov 9	54.1°F	54.1°F	54.0°F
Nov 10	54.1°F	53.9°F	53.9°F
Nov 11	53.6°F	53.8°F	53.7°F
Nov 12	53.7°F	53.6°F	53.5°F
Nov 13	53.6°F	53.5°F	53.4°F
Nov 14	53.4°F	53.3°F	53.2°F
Nov 15	53.4°F	53.4°F	53.2°F
Nov 16	53.3°F	53.3°F	53.1°F
Nov 17	53.2°F	53.3°F	53.0°F
Nov 18	53.1°F	53.2°F	52.9°F
Nov 19	52.9°F	53.0°F	52.6°F
Nov 20	52.7°F	52.4°F	52.4°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	55.0°F	8mi
Conwy	53.4°F	13mi
Holyhead	55.9°F	21mi
Aberystwyth	54.1°F	56mi
Douglas	56.1°F	65mi

* current water temperature in this city

** straight line distance from Bangor