Water temperature in Cardiff
49.1
°F
March 21, 18:46
Trend:
stableYesterday:
49.2°FTomorrow:
49.3°F
Sunrise:
Sunset:
Day Length:
12 h. 13 min.Cardiff in March
Minimum:
44.6°FAverage:
46.4°FMaximum:
48.6°FSea water temperature in Cardiff today
As of now, in Cardiff, the water temperature is 49.1°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 3.8°F higher 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 47.4°F on 2024, while the historical minimum was 40.9°F on 2018.
Daily water temperature in Cardiff
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Mar 7 | 46.8°F | 44.7°F | 44.6°F |
| Mar 8 | 46.6°F | 45.1°F | 44.7°F |
| Mar 9 | 46.8°F | 45.4°F | 44.7°F |
| Mar 10 | 46.8°F | 45.0°F | 44.7°F |
| Mar 11 | 47.4°F | 45.2°F | 44.9°F |
| Mar 12 | 47.9°F | 45.8°F | 45.0°F |
| Mar 13 | 47.7°F | 45.9°F | 45.1°F |
| Mar 14 | 46.9°F | 45.7°F | 45.2°F |
| Mar 15 | 46.8°F | 46.1°F | 45.3°F |
| Mar 16 | 47.3°F | 45.8°F | 45.6°F |
| Mar 17 | 46.6°F | 45.9°F | 45.6°F |
| Mar 18 | 48.3°F | 45.3°F | 45.7°F |
| Mar 19 | 49.0°F | 45.9°F | 45.8°F |
| Mar 20 | 49.2°F | 44.8°F | 45.6°F |
| Mar 21 | 49.1°F | 45.2°F | 45.3°F |
| Mar 22 | 49.3°F | 45.8°F | 45.5°F |
| Mar 23 | 49.6°F | 46.3°F | 45.8°F |
| Mar 24 | 49.7°F | 46.4°F | 45.9°F |
| Mar 25 | 50.2°F | 47.2°F | 46.4°F |
| Mar 26 | 50.6°F | 47.6°F | 46.8°F |
| Mar 27 | 50.7°F | 48.3°F | 46.9°F |
| Mar 28 | 50.6°F | 48.2°F | 46.8°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.
