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

72.4

°F

June 2, 01:11

Trend:

increasing

Yesterday:

72.2°F

Tomorrow:

73.3°F

Sunrise:

04:40

Sunset:

19:01

Day Length:

14 h. 21 min.

Hekinan in June

Minimum:

53.4°F

Average:

55.9°F

Maximum:

60.9°F

Sea water temperature in Hekinan today

As of now, in Hekinan, the water temperature is 72.4°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 2.4°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 considerably.

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 71.2°F on 2019, while the historical minimum was 68.5°F on 2018.

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. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 73.3°F, with minimum temperature starting at 72.9°F, while the maximum might reach 73.8°F.

Daily water temperature in Hekinan

Date Current Year

actual* / forecast**

last year 10 years average
May 19 69.3°F 68.3°F 67.5°F
May 20 68.7°F 68.2°F 67.5°F
May 21 68.3°F 70.7°F 67.6°F
May 22 68.0°F 68.6°F 67.8°F
May 23 70.6°F 68.4°F 68.4°F
May 24 70.5°F 68.9°F 68.7°F
May 25 70.3°F 71.0°F 69.1°F
May 26 70.2°F 70.5°F 69.3°F
May 27 69.9°F 69.7°F 69.3°F
May 28 69.8°F 69.4°F 69.4°F
May 29 69.8°F 70.8°F 69.6°F
May 30 69.7°F 69.0°F 69.4°F
May 31 69.7°F 69.0°F 69.3°F
Jun 1 72.2°F 69.9°F 69.8°F
Jun 2 72.4°F 70.2°F 69.9°F
Jun 3 73.3°F 69.9°F 70.8°F
Jun 4 72.9°F 70.0°F 70.4°F
Jun 5 73.0°F 71.2°F 70.6°F
Jun 6 73.0°F 71.2°F 70.6°F
Jun 7 73.3°F 71.4°F 70.8°F
Jun 8 73.7°F 72.6°F 71.2°F
Jun 9 73.8°F 72.3°F 71.3°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 122 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, 78.7°F in Summer, and 73.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Nagoya 70.6°F 21mi
Tsu 69.1°F 28mi
Hamamatsu 70.0°F 44mi

* current water temperature in this city

** straight line distance from Hekinan