All data are in degrees Fahrenheit

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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

49.5

°F

April 5, 14:46

Trend:

increasing

Yesterday:

49.4°F

Tomorrow:

49.6°F

Sunrise:

06:38

Sunset:

19:50

Day Length:

13 h. 12 min.

Bristol in April

Minimum:

42.5°F

Average:

45.5°F

Maximum:

47.5°F

Sea water temperature in Bristol today

As of now, in Bristol, the water temperature is 49.5°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 1.2°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 notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 50.6°F on 2025, while the historical minimum was 45.6°F on 2018.

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 maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 49.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Bristol

Date Current Year

actual* / forecast**

last year 10 years average
Mar 22 48.2°F 45.8°F 45.8°F
Mar 23 48.3°F 46.0°F 46.0°F
Mar 24 47.8°F 46.0°F 46.2°F
Mar 25 49.0°F 46.3°F 46.5°F
Mar 26 48.4°F 47.8°F 46.7°F
Mar 27 48.7°F 47.8°F 46.9°F
Mar 28 48.4°F 47.9°F 46.9°F
Mar 29 48.2°F 48.0°F 46.9°F
Mar 30 48.3°F 48.7°F 47.2°F
Mar 31 46.6°F 48.2°F 47.2°F
Apr 1 48.4°F 49.3°F 47.6°F
Apr 2 48.6°F 49.0°F 47.7°F
Apr 3 48.5°F 49.5°F 47.8°F
Apr 4 49.4°F 49.5°F 48.1°F
Apr 5 49.5°F 50.6°F 48.3°F
Apr 6 49.6°F 50.1°F 48.4°F
Apr 7 49.7°F 50.0°F 48.5°F
Apr 8 49.8°F 50.2°F 48.6°F
Apr 9 49.8°F 49.9°F 48.6°F
Apr 10 49.9°F 50.2°F 48.7°F
Apr 11 49.9°F 50.1°F 48.7°F
Apr 12 50.2°F 51.4°F 49.0°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 45.2°F in Winter, 50.3°F in Spring, 64.5°F in Summer, and 57.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Newport 49.7°F 20mi
Cardiff 49.5°F 25mi
Barry 49.4°F 30mi
Portland 50.7°F 62mi

* current water temperature in this city

** straight line distance from Bristol