All data are in degrees Fahrenheit

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Water temperature in Barry

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

55.6

°F

May 23, 15:07

Trend:

increasing

Yesterday:

55.5°F

Tomorrow:

56.0°F

Sunrise:

05:11

Sunset:

21:09

Day Length:

15 h. 58 min.

Barry in May

Minimum:

44.8°F

Average:

46.4°F

Maximum:

48.2°F

Sea water temperature in Barry today

As of now, in Barry, the water temperature is 55.6°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 0.6°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 rise 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 58.5°F on 2025, while the historical minimum was 53.5°F on 2021.

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 56.6°F, with minimum temperature starting at 56.0°F, while the maximum might reach 57.3°F.

Daily water temperature in Barry

Date Current Year

actual* / forecast**

last year 10 years average
May 9 54.2°F 55.1°F 53.2°F
May 10 55.2°F 55.1°F 53.3°F
May 11 54.1°F 55.4°F 53.5°F
May 12 54.6°F 55.4°F 53.5°F
May 13 54.9°F 56.3°F 54.0°F
May 14 54.6°F 56.5°F 54.1°F
May 15 54.5°F 56.8°F 54.3°F
May 16 54.6°F 57.2°F 54.7°F
May 17 53.4°F 57.1°F 54.8°F
May 18 53.9°F 57.4°F 54.8°F
May 19 54.3°F 57.6°F 55.0°F
May 20 54.9°F 57.8°F 55.4°F
May 21 55.2°F 57.9°F 55.9°F
May 22 55.5°F 58.8°F 56.1°F
May 23 55.6°F 58.5°F 56.3°F
May 24 56.0°F 58.6°F 56.6°F
May 25 56.1°F 58.6°F 56.8°F
May 26 56.3°F 59.3°F 56.9°F
May 27 56.6°F 59.2°F 57.3°F
May 28 56.9°F 59.6°F 57.6°F
May 29 57.1°F 59.6°F 57.7°F
May 30 57.3°F 59.5°F 58.0°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 Barry by month

In an average year, Barry offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Barry was recorded on July 25, 2018, reaching a 69.4°F. While the coldest temperature occurred on March 4, 2018, dipping to 39.6°F. The average readings by season are 46.1°F in Winter, 49.9°F in Spring, 64.0°F in Summer, and 58.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Cardiff 56.2°F 7mi
Newport 56.8°F 18mi
Bristol 56.8°F 30mi
Swansea 56.1°F 32mi

* current water temperature in this city

** straight line distance from Barry