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

62.5

°F

September 15, 04:22

Trend:

stable

Yesterday:

62.7°F

Tomorrow:

62.5°F

Sunrise:

06:45

Sunset:

19:26

Day Length:

12 h. 41 min.

Bristol in September

Minimum:

42.2°F

Average:

44.9°F

Maximum:

46.7°F

Sea water temperature in Bristol today

As of now, in Bristol, the water temperature is 62.5°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 0.5°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

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 66.6°F on 2023, while the historical minimum was 61.2°F on 2025.

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. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 62.1°F, the minimum temperature may reach 61.6°F, and the maximum might stay at 62.5°F.

Daily water temperature in Bristol

Date Current Year

actual* / forecast**

last year 10 years average
Sep 1 66.0°F 64.9°F 65.0°F
Sep 2 65.6°F 65.3°F 64.8°F
Sep 3 65.6°F 65.0°F 64.7°F
Sep 4 65.4°F 64.6°F 64.5°F
Sep 5 66.5°F 63.7°F 64.6°F
Sep 6 66.2°F 63.8°F 64.5°F
Sep 7 66.7°F 63.8°F 64.5°F
Sep 8 66.3°F 63.4°F 64.3°F
Sep 9 65.6°F 62.9°F 64.2°F
Sep 10 64.7°F 63.2°F 64.1°F
Sep 11 64.0°F 62.6°F 64.0°F
Sep 12 65.1°F 62.3°F 63.8°F
Sep 13 64.4°F 62.2°F 63.5°F
Sep 14 62.7°F 61.1°F 63.2°F
Sep 15 62.5°F 61.2°F 63.0°F
Sep 16 62.5°F 60.9°F 63.1°F
Sep 17 62.3°F 60.9°F 62.8°F
Sep 18 62.2°F 61.0°F 62.8°F
Sep 19 62.2°F 61.1°F 62.8°F
Sep 20 62.2°F 61.4°F 62.7°F
Sep 21 62.0°F 61.4°F 62.6°F
Sep 22 61.6°F 60.2°F 62.1°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 13, 2026, reaching a 71.7°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, 50.4°F in Spring, 64.8°F in Summer, and 57.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Newport 62.6°F 20mi
Cardiff 62.6°F 25mi
Barry 63.8°F 30mi
Portland 65.9°F 62mi

* current water temperature in this city

** straight line distance from Bristol