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

51.2

°F

January 31, 08:54

Trend:

decreasing

Yesterday:

51.3°F

Tomorrow:

51.1°F

Sunrise:

06:52

Sunset:

17:19

Day Length:

10 h. 27 min.

Hekinan in February

Minimum:

53.1°F

Average:

56.4°F

Maximum:

61.0°F

Sea water temperature in Hekinan today

As of now, in Hekinan, the water temperature is 51.2°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 2.6°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 stay about the same.

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 59.3°F on 2015, while the historical minimum was 49.9°F on 2022.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 51.3°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Hekinan

Date Current Year

actual* / forecast**

last year 10 years average
Jan 17 52.2°F 53.9°F 54.0°F
Jan 18 52.0°F 54.4°F 54.1°F
Jan 19 52.3°F 54.7°F 54.2°F
Jan 20 52.9°F 55.1°F 54.1°F
Jan 21 52.4°F 55.5°F 54.0°F
Jan 22 52.8°F 53.0°F 53.9°F
Jan 23 52.2°F 52.2°F 54.0°F
Jan 24 52.6°F 52.3°F 54.1°F
Jan 25 52.1°F 50.8°F 53.8°F
Jan 26 51.6°F 51.1°F 53.6°F
Jan 27 53.0°F 51.9°F 54.0°F
Jan 28 53.5°F 52.1°F 54.0°F
Jan 29 51.1°F 52.1°F 53.5°F
Jan 30 51.3°F 51.5°F 53.9°F
Jan 31 51.2°F 50.6°F 53.8°F
Feb 1 51.1°F 51.7°F 53.7°F
Feb 2 51.2°F 52.2°F 53.8°F
Feb 3 51.1°F 52.5°F 53.8°F
Feb 4 51.3°F 53.0°F 53.9°F
Feb 5 51.4°F 53.6°F 54.1°F
Feb 6 51.3°F 51.6°F 53.9°F
Feb 7 51.4°F 50.6°F 54.1°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, 60.7°F in Spring, 78.7°F in Summer, and 73.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Nagoya 50.0°F 21mi
Tsu 49.1°F 28mi
Hamamatsu 61.6°F 44mi

* current water temperature in this city

** straight line distance from Hekinan