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

50.6

°F

April 28, 17:51

Trend:

stable

Yesterday:

48.1°F

Tomorrow:

50.4°F

Sunrise:

05:46

Sunset:

19:40

Day Length:

13 h. 54 min.

Bristol in May

Minimum:

36.3°F

Average:

41.5°F

Maximum:

45.8°F

Sea water temperature in Bristol today

As of now, in Bristol, the water temperature is 50.6°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 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 fall a bit.

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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 52.5°F on 2025, while the historical minimum was 46.9°F on 2020.

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 51.8°F, with minimum temperature starting at 50.4°F, while the maximum might reach 52.7°F.

Daily water temperature in Bristol

Date Current Year

actual* / forecast**

 last year 10 years average
Apr 14 46.9°F 43.9°F 46.4°F
Apr 15 49.2°F 43.9°F 47.1°F
Apr 16 48.5°F 45.7°F 47.4°F
Apr 17 49.0°F 44.5°F 47.5°F
Apr 18 50.9°F 46.4°F 48.0°F
Apr 19 51.2°F 46.4°F 48.3°F
Apr 20 48.7°F 46.0°F 47.9°F
Apr 21 48.7°F 45.7°F 48.0°F
Apr 22 47.6°F 47.9°F 48.4°F
Apr 23 47.6°F 50.8°F 48.8°F
Apr 24 49.7°F 52.3°F 49.0°F
Apr 25 48.9°F 51.4°F 49.5°F
Apr 26 48.8°F 52.5°F 49.8°F
Apr 27 48.1°F 52.1°F 49.9°F
Apr 28 50.6°F 52.5°F 50.2°F
Apr 29 50.4°F 52.9°F 49.9°F
Apr 30 51.1°F 54.3°F 50.6°F
May 1 51.5°F 56.0°F 51.0°F
May 2 52.0°F 55.2°F 51.5°F
May 3 52.2°F 56.1°F 51.7°F
May 4 52.5°F 56.3°F 52.0°F
May 5 52.7°F 54.8°F 52.2°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

January

February

March

April

May

June

July

August

September

October

November

December

In Bristol, the months July through August offer comfortable swimming conditions, which amounts to 46 swimming days.
The warmest water in Bristol was recorded on August 10, 2022, reaching a 80.6°F. While the coldest temperature occurred on February 14, 2026, dipping to 32.0°F. The average readings by season are 40.8°F in Winter, 47.7°F in Spring, 71.3°F in Summer, and 62.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Providence 49.8°F 13mi
Newport 47.5°F 13mi
Plymouth 47.6°F 36mi
South Boston 48.2°F 47mi
Boston 48.2°F 48mi

* current water temperature in this city

** straight line distance from Bristol