Water temperature in Cardiff
57.9
°F
May 20, 04:48
Trend:
increasingYesterday:
57.4°FTomorrow:
58.4°F
Sunrise:
Sunset:
Day Length:
15 h. 53 min.Cardiff in May
Minimum:
44.7°FAverage:
45.6°FMaximum:
47.2°FSea water temperature in Cardiff today
As of now, in Cardiff, the water temperature is 57.9°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 2.0°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 56.9°F on 2023, while the historical minimum was 54.7°F on 2021.
Daily water temperature in Cardiff
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| May 6 | 51.9°F | 52.4°F | 52.5°F |
| May 7 | 52.9°F | 52.8°F | 52.8°F |
| May 8 | 53.0°F | 52.9°F | 53.0°F |
| May 9 | 52.6°F | 53.0°F | 53.2°F |
| May 10 | 53.7°F | 53.6°F | 53.7°F |
| May 11 | 53.9°F | 54.1°F | 53.9°F |
| May 12 | 53.9°F | 54.5°F | 53.9°F |
| May 13 | 54.3°F | 55.1°F | 54.3°F |
| May 14 | 54.5°F | 55.3°F | 54.5°F |
| May 15 | 56.5°F | 55.0°F | 54.7°F |
| May 16 | 56.9°F | 55.7°F | 55.0°F |
| May 17 | 56.9°F | 55.7°F | 55.3°F |
| May 18 | 56.3°F | 55.7°F | 55.4°F |
| May 19 | 57.4°F | 55.7°F | 55.4°F |
| May 20 | 57.9°F | 56.9°F | 55.9°F |
| May 21 | 58.4°F | 57.7°F | 56.4°F |
| May 22 | 58.6°F | 57.9°F | 56.6°F |
| May 23 | 58.7°F | 58.2°F | 56.7°F |
| May 24 | 59.1°F | 58.7°F | 57.1°F |
| May 25 | 59.3°F | 59.0°F | 57.3°F |
| May 26 | 59.3°F | 58.8°F | 57.2°F |
| May 27 | 59.6°F | 60.2°F | 57.6°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.