Water temperature in Hekinan
82.8
°F
July 15, 18:33
Trend:
increasingYesterday:
80.9°FTomorrow:
82.9°F
Sunrise:
Sunset:
Day Length:
14 h. 17 min.Hekinan in July
Minimum:
50.9°FAverage:
55.0°FMaximum:
60.3°FSea water temperature in Hekinan today
As of now, in Hekinan, the water temperature is 82.8°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 2.3°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 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 84.3°F on 2025, while the historical minimum was 77.2°F on 2020.
Daily water temperature in Hekinan
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Jul 1 | 76.7°F | 83.1°F | 77.5°F |
| Jul 2 | 76.8°F | 82.6°F | 77.8°F |
| Jul 3 | 77.1°F | 82.7°F | 77.9°F |
| Jul 4 | 76.9°F | 82.6°F | 78.5°F |
| Jul 5 | 77.7°F | 84.4°F | 78.9°F |
| Jul 6 | 77.5°F | 84.7°F | 79.1°F |
| Jul 7 | 77.1°F | 83.6°F | 79.1°F |
| Jul 8 | 76.8°F | 83.3°F | 79.1°F |
| Jul 9 | 77.6°F | 84.7°F | 79.5°F |
| Jul 10 | 79.4°F | 84.3°F | 79.6°F |
| Jul 11 | 80.1°F | 85.5°F | 79.8°F |
| Jul 12 | 78.0°F | 84.4°F | 79.9°F |
| Jul 13 | 78.3°F | 84.1°F | 80.0°F |
| Jul 14 | 80.9°F | 84.0°F | 80.2°F |
| Jul 15 | 82.8°F | 84.3°F | 80.5°F |
| Jul 16 | 82.9°F | 83.3°F | 80.6°F |
| Jul 17 | 83.4°F | 83.0°F | 81.1°F |
| Jul 18 | 83.4°F | 82.4°F | 81.1°F |
| Jul 19 | 83.6°F | 81.9°F | 81.3°F |
| Jul 20 | 84.1°F | 82.4°F | 81.8°F |
| Jul 21 | 84.2°F | 83.4°F | 81.8°F |
| Jul 22 | 84.5°F | 83.9°F | 82.1°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.
