All data are in degrees Fahrenheit

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Water temperature in Hekinan

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

86.2

°F

August 3, 18:08

Trend:

increasing

Yesterday:

85.5°F

Tomorrow:

86.2°F

Sunrise:

05:03

Sunset:

18:54

Day Length:

13 h. 51 min.

Hekinan in August

Minimum:

51.6°F

Average:

55.2°F

Maximum:

59.9°F

Sea water temperature in Hekinan today

As of now, in Hekinan, the water temperature is 86.2°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 2.6°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 stay about the same.

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 86.4°F on 2023, while the historical minimum was 79.9°F on 2020.

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 maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 86.4°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Hekinan

Date Current Year

actual* / forecast**

last year 10 years average
Jul 20 82.4°F 84.4°F 81.4°F
Jul 21 83.4°F 84.5°F 81.6°F
Jul 22 83.9°F 86.3°F 81.9°F
Jul 23 84.5°F 85.9°F 82.1°F
Jul 24 85.7°F 85.9°F 82.3°F
Jul 25 86.3°F 85.7°F 82.5°F
Jul 26 85.6°F 85.3°F 82.3°F
Jul 27 86.1°F 84.7°F 82.7°F
Jul 28 85.9°F 86.7°F 82.7°F
Jul 29 86.2°F 86.7°F 82.9°F
Jul 30 84.4°F 84.1°F 82.5°F
Jul 31 85.2°F 82.5°F 82.6°F
Aug 1 85.3°F 82.4°F 83.1°F
Aug 2 85.5°F 82.2°F 83.4°F
Aug 3 86.2°F 84.1°F 83.6°F
Aug 4 86.2°F 85.0°F 83.7°F
Aug 5 86.4°F 85.5°F 83.9°F
Aug 6 86.6°F 85.3°F 84.0°F
Aug 7 86.4°F 84.7°F 83.8°F
Aug 8 86.6°F 86.3°F 84.0°F
Aug 9 86.4°F 86.7°F 83.8°F
Aug 10 86.2°F 86.5°F 83.6°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.

Sea water temperature in Hekinan by month

In Hekinan, the months July through October offer comfortable swimming conditions, which amounts to 123 swimming days.
The warmest water in Hekinan was recorded on August 16, 2024, reaching a 87.7°F. While the coldest temperature occurred on February 16, 2018, dipping to 47.8°F. The average readings by season are 56.0°F in Winter, 60.6°F in Spring, 78.9°F in Summer, and 73.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Nagoya 86.3°F 21mi
Tsu 85.2°F 28mi
Hamamatsu 83.4°F 44mi

* current water temperature in this city

** straight line distance from Hekinan