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 16.73°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.

62.1

°F

September 13, 07:51

Trend:

decreasing

Yesterday:

62.2°F

Tomorrow:

62.0°F

Sunrise:

06:46

Sunset:

19:38

Day Length:

12 h. 52 min.

Bangor in September

Minimum:

44.8°F

Average:

46.4°F

Maximum:

48.4°F

Sea water temperature in Bangor today

As of now, in Bangor, the water temperature is 62.1°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 1.0°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 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 63.4°F on 2023, while the historical minimum was 59.4°F on 2015.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 61.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Bangor

Date	Current Year actual* / forecast**	last year	10 years average
Aug 30	64.0°F	61.4°F	61.9°F
Aug 31	63.5°F	61.8°F	61.9°F
Sep 1	63.2°F	61.8°F	61.9°F
Sep 2	63.3°F	61.7°F	61.8°F
Sep 3	63.1°F	61.7°F	61.8°F
Sep 4	63.3°F	61.6°F	61.8°F
Sep 5	63.3°F	61.7°F	61.9°F
Sep 6	63.3°F	61.1°F	61.9°F
Sep 7	63.1°F	61.8°F	62.0°F
Sep 8	63.0°F	61.5°F	62.0°F
Sep 9	62.8°F	61.3°F	61.9°F
Sep 10	62.7°F	61.2°F	61.8°F
Sep 11	62.5°F	60.9°F	61.6°F
Sep 12	62.2°F	60.7°F	61.3°F
Sep 13	62.1°F	60.3°F	61.2°F
Sep 14	62.0°F	60.3°F	61.0°F
Sep 15	62.0°F	60.2°F	61.1°F
Sep 16	61.9°F	60.0°F	61.0°F
Sep 17	61.8°F	60.4°F	60.9°F
Sep 18	61.9°F	60.8°F	60.9°F
Sep 19	61.7°F	60.5°F	60.7°F
Sep 20	61.6°F	60.3°F	60.7°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	61.3°F	8mi
Conwy	62.1°F	13mi
Holyhead	61.4°F	21mi
Aberystwyth	63.0°F	56mi
Douglas	60.5°F	65mi

* current water temperature in this city

** straight line distance from Bangor