Water temperature in Hekinan
51.5
°F
March 18, 08:42
Trend:
stableYesterday:
51.6°FTomorrow:
51.9°F
Sunrise:
Sunset:
Day Length:
12 h. 2 min.Hekinan in March
Minimum:
52.4°FAverage:
55.8°FMaximum:
61.1°FSea water temperature in Hekinan today
As of now, in Hekinan, the water temperature is 51.5°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 3.1°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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 60.2°F on 2016, while the historical minimum was 49.4°F on 2025.
Daily water temperature in Hekinan
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Mar 4 | 53.8°F | 53.0°F | 53.5°F |
| Mar 5 | 52.1°F | 53.4°F | 53.7°F |
| Mar 6 | 52.1°F | 52.8°F | 53.8°F |
| Mar 7 | 52.1°F | 52.6°F | 53.6°F |
| Mar 8 | 51.7°F | 50.9°F | 53.4°F |
| Mar 9 | 51.6°F | 51.2°F | 53.3°F |
| Mar 10 | 51.6°F | 50.8°F | 53.5°F |
| Mar 11 | 50.8°F | 51.3°F | 53.7°F |
| Mar 12 | 51.0°F | 51.8°F | 53.7°F |
| Mar 13 | 51.0°F | 52.3°F | 53.7°F |
| Mar 14 | 51.2°F | 49.0°F | 53.5°F |
| Mar 15 | 52.3°F | 49.8°F | 53.7°F |
| Mar 16 | 51.8°F | 50.6°F | 54.1°F |
| Mar 17 | 51.6°F | 51.0°F | 54.7°F |
| Mar 18 | 51.5°F | 49.4°F | 54.6°F |
| Mar 19 | 51.9°F | 50.1°F | 55.0°F |
| Mar 20 | 52.1°F | 50.8°F | 55.3°F |
| Mar 21 | 52.3°F | 51.2°F | 55.4°F |
| Mar 22 | 52.3°F | 49.6°F | 55.4°F |
| Mar 23 | 53.2°F | 53.0°F | 56.3°F |
| Mar 24 | 52.7°F | 53.2°F | 55.9°F |
| Mar 25 | 52.7°F | 53.6°F | 55.9°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.