Water temperature in Aioi Shi

This data the coastal Aioi Shi 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 Aioi Shi

Water temperature in Aioi Shi today is 27.3°C. Based on our historical data over a period of ten years, the warmest water in this day in Aioi Shi was recorded in 2024 and was 27.8°C, and the coldest was recorded in 2015 at 24.6°C. Sea water temperature in Aioi Shi is expected to drop to 24.8°C in the next 10 days. September average water temperature in Aioi Shi is 26.7°C, the minimum temperature is 24.5°C, and the maximum is 29.7°C.

The swimming season in Aioi Shi lasts from June to October. During those months, Aioi Shi water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Aioi Shi in winter reaches 13°C, in spring 14.5°C, in summer the average temperature rises to 24.9°C, and in autumn it is 23.2°C.

Aioi Shi water temperature now

The sea salinity in Aioi Shi is 30.87‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Aioi Shi 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 Aioi Shi. 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 Aioi Shi. 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 Aioi Shi

Aioi Shi weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
23.8°C	23.3°C	23.1°C	23.6°C

12-15 h	15-18 h	18-21 h	21-24 h
26.2°C	26.7°C	25.4°C	23.7°C

Aioi Shi water temperature by month

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

The nearest beaches and cities from Aioi Shi 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
Himeji	27.4°C	28°C		0.05 m
Harima	27°C	28°C		0.07 m
Kakogawa	27°C	28°C		0.07 m
Tonosho	27.3°C	28°C		0.08 m
Okayama Shi	27.4°C	29°C		0.1 m
Akashi	25.3°C	28°C		0.08 m
Tamano	28°C	28°C		0.08 m
Takamatsu Shi	27.7°C	28°C		0.09 m
Shido	27.6°C	28°C		0.09 m
Sumoto	26.1°C	26°C		0.15 m

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Our report for Aioi Shi 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.