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 17.15°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

62.9

°F

July 8, 18:20

Trend:

increasing

Yesterday:

61.9°F

Tomorrow:

63.0°F

Sunrise:

04:59

Sunset:

21:43

Day Length:

16 h. 44 min.

Bangor in July

Minimum:

44.8°F

Average:

46.5°F

Maximum:

48.5°F

Sea water temperature in Bangor today

As of now, in Bangor, the water temperature is 62.9°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 3.6°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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 60.9°F on 2023, while the historical minimum was 57.9°F on 2016.

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 63.5°F, with minimum temperature starting at 63.0°F, while the maximum might reach 64.0°F.

Daily water temperature in Bangor

Date	Current Year actual* / forecast**	last year	10 years average
Jun 24	61.9°F	59.5°F	58.6°F
Jun 25	63.1°F	59.4°F	59.0°F
Jun 26	62.6°F	59.1°F	59.0°F
Jun 27	63.7°F	59.8°F	59.5°F
Jun 28	64.5°F	60.3°F	59.9°F
Jun 29	64.3°F	59.8°F	59.6°F
Jun 30	63.4°F	60.6°F	59.6°F
Jul 1	62.7°F	60.7°F	59.4°F
Jul 2	61.6°F	60.8°F	59.2°F
Jul 3	60.0°F	61.4°F	59.2°F
Jul 4	61.1°F	60.6°F	59.3°F
Jul 5	60.9°F	60.5°F	59.4°F
Jul 6	62.4°F	61.1°F	59.6°F
Jul 7	61.9°F	60.8°F	59.6°F
Jul 8	62.9°F	60.7°F	59.3°F
Jul 9	63.0°F	60.9°F	59.5°F
Jul 10	63.0°F	61.2°F	59.5°F
Jul 11	63.3°F	61.5°F	59.8°F
Jul 12	63.5°F	62.3°F	59.9°F
Jul 13	63.6°F	63.0°F	60.1°F
Jul 14	63.8°F	63.6°F	60.2°F
Jul 15	64.0°F	63.3°F	60.4°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, 48.4°F in Spring, 59.9°F in Summer, and 57.1°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Caernarfon	63.3°F	8mi
Conwy	63.0°F	13mi
Holyhead	59.7°F	21mi
Aberystwyth	66.0°F	56mi
Douglas	58.6°F	65mi

* current water temperature in this city

** straight line distance from Bangor