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

59.5

°F

October 13, 20:15

Trend:

stable

Yesterday:

58.2°F

Tomorrow:

59.4°F

Sunrise:

07:30

Sunset:

18:22

Day Length:

10 h. 52 min.

Bristol in October

Minimum:

42.2°F

Average:

44.9°F

Maximum:

46.9°F

Sea water temperature in Bristol today

As of now, in Bristol, the water temperature is 59.5°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 1.8°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 59.5°F on 2023, while the historical minimum was 56.3°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 58.9°F, the minimum temperature may reach 58.5°F, and the maximum might stay at 59.4°F.

Daily water temperature in Bristol

Date Current Year

actual* / forecast**

last year 10 years average
Sep 29 64.0°F 58.3°F 60.8°F
Sep 30 63.2°F 58.9°F 60.5°F
Oct 1 63.3°F 58.7°F 60.2°F
Oct 2 63.1°F 58.5°F 59.9°F
Oct 3 62.5°F 58.3°F 59.8°F
Oct 4 62.2°F 58.7°F 59.5°F
Oct 5 60.9°F 57.6°F 59.0°F
Oct 6 59.2°F 56.6°F 58.7°F
Oct 7 58.8°F 56.5°F 58.5°F
Oct 8 59.6°F 56.5°F 58.5°F
Oct 9 58.9°F 55.6°F 58.1°F
Oct 10 59.0°F 54.8°F 57.8°F
Oct 11 58.3°F 55.9°F 57.9°F
Oct 12 58.2°F 56.0°F 57.7°F
Oct 13 59.5°F 56.3°F 57.6°F
Oct 14 59.4°F 56.2°F 57.6°F
Oct 15 59.4°F 56.1°F 57.6°F
Oct 16 59.0°F 56.0°F 57.2°F
Oct 17 59.0°F 56.0°F 57.1°F
Oct 18 58.8°F 55.9°F 57.0°F
Oct 19 58.6°F 55.8°F 56.7°F
Oct 20 58.5°F 56.0°F 56.6°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 59.8°F 20mi
Cardiff 60.2°F 25mi
Barry 61.6°F 30mi
Portland 63.4°F 62mi

* current water temperature in this city

** straight line distance from Bristol