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 14.43°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.

58.0

°F

May 27, 16:31

Trend:

increasing

Yesterday:

57.1°F

Tomorrow:

58.1°F

Sunrise:

05:01

Sunset:

21:27

Day Length:

16 h. 26 min.

Bangor in June

Minimum:

45.1°F

Average:

46.8°F

Maximum:

48.6°F

Sea water temperature in Bangor today

As of now, in Bangor, the water temperature is 58.0°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 3.8°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable 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 56.2°F on 2023, while the historical minimum was 52.2°F on 2021.

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 suggests a gradual increase. The average temperature is expected to rise up to 58.8°F, with minimum temperature starting at 58.1°F, while the maximum might reach 59.4°F.

Daily water temperature in Bangor

Date	Current Year actual* / forecast**	last year	10 years average
May 13	53.2°F	54.6°F	51.7°F
May 14	52.9°F	56.1°F	52.1°F
May 15	52.6°F	55.5°F	52.3°F
May 16	53.3°F	55.1°F	52.4°F
May 17	52.9°F	55.0°F	52.6°F
May 18	53.2°F	55.5°F	52.7°F
May 19	53.1°F	55.5°F	52.7°F
May 20	53.4°F	55.8°F	53.0°F
May 21	53.2°F	56.0°F	53.2°F
May 22	53.9°F	56.0°F	53.4°F
May 23	54.1°F	56.1°F	53.6°F
May 24	54.7°F	55.9°F	53.7°F
May 25	55.5°F	56.0°F	53.9°F
May 26	57.1°F	55.7°F	54.2°F
May 27	58.0°F	55.4°F	54.1°F
May 28	58.1°F	55.3°F	54.3°F
May 29	58.3°F	55.1°F	54.4°F
May 30	58.6°F	55.1°F	54.8°F
May 31	59.0°F	56.2°F	55.2°F
Jun 1	59.0°F	56.0°F	55.1°F
Jun 2	59.1°F	56.1°F	55.3°F
Jun 3	59.4°F	56.5°F	55.6°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, 48.4°F in Spring, 59.9°F in Summer, and 57.1°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Caernarfon	57.7°F	8mi
Conwy	58.1°F	13mi
Holyhead	54.7°F	21mi
Aberystwyth	60.3°F	56mi
Douglas	53.6°F	65mi

* current water temperature in this city

** straight line distance from Bangor