All data are in degrees Fahrenheit


Water temperature in Bristol

Detailed information about the current water temperature in Bristol. 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 Bristol now



July 14, 05:52











Day Length:

16 h. 10 min.

Bristol in July







Sea water temperature in Bristol today

As of now, in Bristol, the water temperature is 63.9°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 1.3°F lower 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

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 minimum temperature for this date. The maximum temperature recorded for this date was 70.3°F on 2018, while the historical minimum was 62.9°F on 2015.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 64.6°F, with minimum temperature starting at 64.0°F, while the maximum might reach 65.2°F.

Daily water temperature in Bristol

Date Current Year

actual* / forecast**

last year 10 years average
Jun 30 63.9°F 66.7°F 63.6°F
Jul 1 63.8°F 66.0°F 63.6°F
Jul 2 64.0°F 66.5°F 63.6°F
Jul 3 63.6°F 65.6°F 63.3°F
Jul 4 64.1°F 65.1°F 63.3°F
Jul 5 63.8°F 64.4°F 63.3°F
Jul 6 63.5°F 63.5°F 63.4°F
Jul 7 62.7°F 64.0°F 63.6°F
Jul 8 62.7°F 64.6°F 63.9°F
Jul 9 62.7°F 64.6°F 64.1°F
Jul 10 62.8°F 65.0°F 64.3°F
Jul 11 63.3°F 65.0°F 64.6°F
Jul 12 64.3°F 65.0°F 64.9°F
Jul 13 64.0°F 65.0°F 65.2°F
Jul 14 63.9°F 64.7°F 65.2°F
Jul 15 64.0°F 64.3°F 65.3°F
Jul 16 64.1°F 63.5°F 65.4°F
Jul 17 64.3°F 63.4°F 65.5°F
Jul 18 64.6°F 63.7°F 65.9°F
Jul 19 64.7°F 64.0°F 66.0°F
Jul 20 65.2°F 64.5°F 66.4°F
Jul 21 65.2°F 64.4°F 66.5°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 Bristol by month

In an average year, Bristol offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Bristol was recorded on July 23, 2021, reaching a 71.4°F. While the coldest temperature occurred on February 3, 2023, dipping to 40.2°F. The average readings by season are 45.6°F in Winter, 50.0°F in Spring, 64.0°F in Summer, and 57.6°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Newport 62.3°F 20mi
Cardiff 62.9°F 25mi
Barry 63.1°F 30mi
Portland 61.6°F 62mi

* current water temperature in this city

** straight line distance from Bristol