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

67.9

°F

November 21, 22:04

Trend:

decreasing

Yesterday:

70.1°F

Tomorrow:

67.4°F

Sunrise:

06:32

Sunset:

16:43

Day Length:

10 h. 11 min.

Hekinan in November

Minimum:

51.8°F

Average:

54.9°F

Maximum:

59.0°F

Sea water temperature in Hekinan today

As of now, in Hekinan, the water temperature is 67.9°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 1.3°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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 68.0°F on 2019, while the historical minimum was 64.2°F on 2014.

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 shows a gradual cooling trend. The average temperature is expected to be 66.6°F, the minimum temperature may reach 65.8°F, and the maximum might stay at 67.4°F.

Daily water temperature in Hekinan

Date Current Year

actual* / forecast**

last year 10 years average
Nov 7 72.6°F 69.9°F 69.1°F
Nov 8 72.7°F 69.6°F 68.8°F
Nov 9 72.2°F 68.8°F 68.4°F
Nov 10 71.9°F 68.8°F 68.1°F
Nov 11 72.1°F 69.7°F 68.3°F
Nov 12 71.9°F 69.5°F 68.0°F
Nov 13 71.6°F 67.9°F 67.7°F
Nov 14 71.3°F 67.2°F 67.4°F
Nov 15 70.3°F 66.5°F 67.4°F
Nov 16 70.1°F 67.1°F 67.3°F
Nov 17 70.0°F 66.9°F 67.3°F
Nov 18 70.3°F 66.8°F 67.2°F
Nov 19 70.2°F 66.5°F 67.1°F
Nov 20 70.1°F 66.1°F 67.1°F
Nov 21 67.9°F 65.7°F 66.5°F
Nov 22 67.4°F 64.9°F 66.1°F
Nov 23 67.2°F 63.8°F 65.8°F
Nov 24 66.9°F 63.6°F 65.6°F
Nov 25 66.5°F 63.8°F 65.2°F
Nov 26 66.3°F 63.6°F 65.0°F
Nov 27 66.1°F 62.8°F 64.7°F
Nov 28 65.8°F 63.1°F 64.5°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 119 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 56.3°F in Winter, 60.6°F in Spring, 78.5°F in Summer, and 73.4°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Nagoya 70.7°F 21mi
Tsu 66.5°F 28mi
Hamamatsu 72.5°F 44mi

* current water temperature in this city

** straight line distance from Hekinan