Water temperature in Heda

This data the coastal Heda sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current sea temperature in Heda

Water temperature in Heda today is 25.8°C. Based on our historical data over a period of ten years, the warmest water in this day in Heda was recorded in 2022 and was 26.9°C, and the coldest was recorded in 2009 at 23.7°C. Sea water temperature in Heda is expected to drop to 24.3°C in the next 10 days. September average water temperature in Heda is 26.1°C, the minimum temperature is 23.6°C, and the maximum is 29.8°C.

The swimming season in Heda lasts from June to November. During those months, Heda water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Heda in winter reaches 16.5°C, in spring 17.1°C, in summer the average temperature rises to 24.8°C, and in autumn it is 23.6°C.

Heda water temperature now

The sea salinity in Heda is 33.96‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Heda for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Heda. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Heda. Data in table shown for 27 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Heda

Heda weather forecast

Current temperature and weather

Data in a table show Heda temperature today (27 September 2025). For more information and forecast for a few days, go to the weather forecast Heda.

0-3 h	3-6 h	6-9 h	9-12 h
23.3°C	22.9°C	22.8°C	23°C

12-15 h	15-18 h	18-21 h	21-24 h
22.3°C	22.9°C	20.9°C	20.7°C

Heda water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Heda. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Heda on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Heda

The nearest beaches and cities from Heda with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Numazu	25.4°C	23°C		0.18 m
Shizuoka Shi	25.4°C	25°C		0.44 m
Shimoda	24.7°C	23°C		1.38 m
Yaizu	25.3°C	25°C		0.46 m
Kanagawa	25°C	22°C		0.55 m
Tokyo	24.5°C	21°C		0.73 m
Oyama	25.2°C	25°C		1.08 m
Hiratsuka	25.1°C	22°C		0.4 m
Yokohama	24.9°C	23°C		0.91 m
Chigasaki	25°C	22°C		0.4 m

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Our report for Heda is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.