All data are in degrees Fahrenheit


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.
Sea temperature in Bangor now



July 14, 05:06











Day Length:

16 h. 30 min.

Bangor in July







Sea water temperature in Bangor today

As of now, in Bangor, the water temperature is 59.4°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 0.5°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 61.6°F on 2018, while the historical minimum was 58.6°F on 2020.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 60.2°F, with minimum temperature starting at 59.6°F, while the maximum might reach 60.6°F.

Daily water temperature in Bangor

Date Current Year

actual* / forecast**

last year 10 years average
Jun 30 58.9°F 60.8°F 58.9°F
Jul 1 57.8°F 60.4°F 58.9°F
Jul 2 58.0°F 59.8°F 58.8°F
Jul 3 58.0°F 59.6°F 58.8°F
Jul 4 58.2°F 59.5°F 58.9°F
Jul 5 59.3°F 60.1°F 59.0°F
Jul 6 59.2°F 60.4°F 59.0°F
Jul 7 59.5°F 60.1°F 59.1°F
Jul 8 58.6°F 60.9°F 59.0°F
Jul 9 58.7°F 60.6°F 59.2°F
Jul 10 58.8°F 60.0°F 59.2°F
Jul 11 58.9°F 60.3°F 59.5°F
Jul 12 59.0°F 60.7°F 59.6°F
Jul 13 59.3°F 60.7°F 59.8°F
Jul 14 59.4°F 60.7°F 59.9°F
Jul 15 59.6°F 60.5°F 60.1°F
Jul 16 59.8°F 60.6°F 60.3°F
Jul 17 60.1°F 61.1°F 60.6°F
Jul 18 60.4°F 61.2°F 60.9°F
Jul 19 60.5°F 61.1°F 61.1°F
Jul 20 60.6°F 61.0°F 61.1°F
Jul 21 60.4°F 60.7°F 60.9°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 15, 2022, reaching a 64.8°F. While the coldest temperature occurred on March 9, 2018, dipping to 41.1°F. The average readings by season are 46.4°F in Winter, 48.0°F in Spring, 59.5°F in Summer, and 57.1°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Caernarfon 60.4°F 8mi
Conwy 60.2°F 13mi
Holyhead 59.1°F 21mi
Aberystwyth 62.0°F 56mi
Douglas 58.3°F 65mi

* current water temperature in this city

** straight line distance from Bangor