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

82.7

°F

July 3, 14:15

Trend:

increasing

Yesterday:

82.6°F

Tomorrow:

83.5°F

Sunrise:

04:43

Sunset:

19:10

Day Length:

14 h. 27 min.

Hekinan in July

Minimum:

50.9°F

Average:

55.3°F

Maximum:

60.3°F

Sea water temperature in Hekinan today

As of now, in Hekinan, the water temperature is 82.7°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 5.8°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 83.4°F on 2022, while the historical minimum was 72.3°F on 2015.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 84.0°F, with minimum temperature starting at 83.5°F, while the maximum might reach 84.3°F.

Daily water temperature in Hekinan

Date Current Year

actual* / forecast**

last year 10 years average
Jun 19 77.0°F 76.5°F 73.8°F
Jun 20 78.9°F 76.0°F 74.2°F
Jun 21 80.0°F 75.7°F 74.2°F
Jun 22 79.6°F 75.3°F 74.0°F
Jun 23 79.3°F 75.3°F 74.2°F
Jun 24 79.0°F 75.3°F 74.6°F
Jun 25 78.7°F 75.5°F 74.8°F
Jun 26 79.7°F 75.7°F 75.4°F
Jun 27 79.2°F 75.8°F 75.9°F
Jun 28 78.7°F 75.8°F 76.0°F
Jun 29 79.1°F 75.8°F 76.2°F
Jun 30 81.0°F 75.8°F 76.8°F
Jul 1 83.1°F 75.8°F 77.1°F
Jul 2 82.6°F 76.0°F 76.8°F
Jul 3 82.7°F 76.4°F 76.9°F
Jul 4 83.5°F 79.1°F 77.7°F
Jul 5 83.7°F 80.4°F 77.9°F
Jul 6 84.0°F 82.5°F 78.2°F
Jul 7 84.1°F 83.6°F 78.4°F
Jul 8 84.2°F 84.2°F 78.4°F
Jul 9 84.3°F 83.3°F 78.5°F
Jul 10 84.3°F 82.7°F 78.5°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, 78.8°F in Summer, and 73.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Nagoya 82.2°F 21mi
Tsu 82.8°F 28mi
Hamamatsu 77.7°F 44mi

* current water temperature in this city

** straight line distance from Hekinan