Water temperature in Aoshima

This data the coastal Aoshima 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 Aoshima

Water temperature in Aoshima today is 20.1°C. Based on our historical data over a period of ten years, the warmest water in this day in Aoshima was recorded in 2008 and was 22°C, and the coldest was recorded in 2021 at 18.6°C. Sea water temperature in Aoshima is expected to drop to 20°C in the next 10 days. December average water temperature in Aoshima is 20.8°C, the minimum temperature is 18.3°C, and the maximum is 23.3°C.

The swimming season in Aoshima lasts from April to December. During those months, Aoshima water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Aoshima in winter reaches 19.4°C, in spring 19.8°C, in summer the average temperature rises to 26°C, and in autumn it is 25.4°C.

Aoshima water temperature now

Surf Forecast in Aoshima 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 Aoshima. 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 Aoshima. Data in table shown for 19 December 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Aoshima

Aoshima weather forecast

Current temperature and weather

Data in a table show Aoshima temperature today (19 December 2025). For more information and forecast for a few days, go to the weather forecast Aoshima.

0-3 h	3-6 h	6-9 h	9-12 h
8.7°C	8°C	9.9°C	12.5°C

12-15 h	15-18 h	18-21 h	21-24 h
15.7°C	16.2°C	13.8°C	13.9°C

Aoshima water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Aoshima. 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 Aoshima 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 Aoshima

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Our report for Aoshima 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.