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

49.1

°F

March 15, 11:58

Trend:

increasing

Yesterday:

49.0°F

Tomorrow:

49.6°F

Sunrise:

06:04

Sunset:

17:59

Day Length:

11 h. 55 min.

Hekinan in March

Minimum:

52.4°F

Average:

56.2°F

Maximum:

61.1°F

Sea water temperature in Hekinan today

As of now, in Hekinan, the water temperature is 49.1°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 5.5°F lower 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 considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 58.7°F on 2016, while the historical minimum was 51.1°F on 2018.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 50.3°F, with minimum temperature starting at 49.6°F, while the maximum might reach 50.9°F.

Daily water temperature in Hekinan

Date Current Year

actual* / forecast**

last year 10 years average
Mar 1 53.3°F 53.9°F 54.0°F
Mar 2 52.7°F 54.1°F 54.1°F
Mar 3 52.8°F 53.1°F 53.9°F
Mar 4 53.0°F 52.4°F 54.0°F
Mar 5 53.4°F 53.0°F 54.3°F
Mar 6 52.8°F 53.6°F 54.4°F
Mar 7 52.6°F 53.7°F 54.2°F
Mar 8 50.9°F 53.8°F 53.9°F
Mar 9 51.2°F 53.3°F 53.9°F
Mar 10 50.8°F 53.1°F 54.1°F
Mar 11 51.3°F 54.2°F 54.3°F
Mar 12 51.8°F 54.2°F 54.2°F
Mar 13 52.3°F 52.5°F 54.3°F
Mar 14 49.0°F 52.3°F 54.5°F
Mar 15 49.1°F 53.0°F 54.6°F
Mar 16 49.6°F 52.0°F 55.0°F
Mar 17 50.0°F 54.7°F 55.4°F
Mar 18 50.1°F 55.0°F 55.5°F
Mar 19 50.4°F 54.9°F 55.9°F
Mar 20 50.7°F 54.8°F 56.2°F
Mar 21 50.8°F 55.0°F 56.2°F
Mar 22 50.9°F 55.1°F 56.4°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 50.8°F 21mi
Tsu 49.4°F 28mi
Hamamatsu 60.0°F 44mi

* current water temperature in this city

** straight line distance from Hekinan