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

60.6

°F

April 19, 11:26

Trend:

stable

Yesterday:

60.3°F

Tomorrow:

60.3°F

Sunrise:

05:16

Sunset:

18:27

Day Length:

13 h. 11 min.

Hekinan in April

Minimum:

52.2°F

Average:

56.1°F

Maximum:

60.9°F

Sea water temperature in Hekinan today

As of now, in Hekinan, the water temperature is 60.6°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 about the same as 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 fall 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 also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 62.7°F on 2022, while the historical minimum was 58.0°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 minimum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 61.4°F, with minimum temperature starting at 60.2°F, while the maximum might reach 62.5°F.

Daily water temperature in Hekinan

Date Current Year

actual* / forecast**

last year 10 years average
Apr 5 55.7°F 58.5°F 57.9°F
Apr 6 55.7°F 58.5°F 58.0°F
Apr 7 56.4°F 58.7°F 58.2°F
Apr 8 55.9°F 59.1°F 58.8°F
Apr 9 57.8°F 59.6°F 59.2°F
Apr 10 58.1°F 59.3°F 59.1°F
Apr 11 58.2°F 59.4°F 59.2°F
Apr 12 59.4°F 59.8°F 59.6°F
Apr 13 59.4°F 59.9°F 59.7°F
Apr 14 59.4°F 63.3°F 60.1°F
Apr 15 60.2°F 63.2°F 60.1°F
Apr 16 60.6°F 63.1°F 60.1°F
Apr 17 59.1°F 63.0°F 60.1°F
Apr 18 60.3°F 62.8°F 60.1°F
Apr 19 60.6°F 62.5°F 60.4°F
Apr 20 60.3°F 61.4°F 60.2°F
Apr 21 60.2°F 61.3°F 60.1°F
Apr 22 60.9°F 61.2°F 60.8°F
Apr 23 61.9°F 61.3°F 61.7°F
Apr 24 61.9°F 61.3°F 61.7°F
Apr 25 62.1°F 63.5°F 62.0°F
Apr 26 62.5°F 63.2°F 62.3°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 60.0°F 21mi
Tsu 56.7°F 28mi
Hamamatsu 61.1°F 44mi

* current water temperature in this city

** straight line distance from Hekinan