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 13.99°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.

57.2

°F

June 10, 17:08

Trend:

stable

Yesterday:

57.3°F

Tomorrow:

57.3°F

Sunrise:

04:50

Sunset:

21:42

Day Length:

16 h. 52 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 57.2°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 1.1°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 stay about the same.

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 59.5°F on 2023, while the historical minimum was 54.2°F on 2022.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 57.9°F, with minimum temperature starting at 57.3°F, while the maximum might reach 58.4°F.

Daily water temperature in Bangor

Date	Current Year actual* / forecast**	last year	10 years average
May 27	58.0°F	55.4°F	54.5°F
May 28	57.9°F	55.3°F	54.6°F
May 29	57.8°F	55.1°F	54.8°F
May 30	57.6°F	55.1°F	55.1°F
May 31	57.5°F	56.2°F	55.4°F
Jun 1	57.7°F	56.0°F	55.4°F
Jun 2	57.6°F	56.1°F	55.3°F
Jun 3	58.8°F	56.5°F	55.9°F
Jun 4	57.9°F	55.7°F	55.9°F
Jun 5	57.7°F	56.0°F	56.0°F
Jun 6	57.6°F	55.9°F	56.0°F
Jun 7	57.3°F	55.7°F	55.9°F
Jun 8	57.6°F	55.5°F	55.8°F
Jun 9	57.3°F	55.6°F	56.0°F
Jun 10	57.2°F	55.8°F	56.1°F
Jun 11	57.3°F	55.8°F	56.1°F
Jun 12	57.5°F	56.6°F	56.4°F
Jun 13	57.6°F	57.7°F	56.5°F
Jun 14	57.9°F	57.8°F	56.8°F
Jun 15	58.1°F	57.5°F	57.0°F
Jun 16	58.3°F	57.3°F	57.2°F
Jun 17	58.4°F	57.5°F	57.3°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	57.5°F	8mi
Conwy	57.8°F	13mi
Holyhead	55.9°F	21mi
Aberystwyth	59.0°F	56mi
Douglas	53.9°F	65mi

* current water temperature in this city

** straight line distance from Bangor