Water temperature in Caotan

This data the coastal Caotan 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 Caotan

Water temperature in Caotan today is 29.4°C. Based on our historical data over a period of ten years, the warmest water in this day in Caotan was recorded in 2017 and was 30.6°C, and the coldest was recorded in 2011 at 27.7°C. Sea water temperature in Caotan is expected to drop to 28.6°C in the next 10 days. September average water temperature in Caotan is 29.8°C, the minimum temperature is 27.5°C, and the maximum is 31.6°C.

The swimming season in Caotan lasts from February to December. During those months, Caotan water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Caotan in winter reaches 19.2°C, in spring 24.9°C, in summer the average temperature rises to 30.3°C, and in autumn it is 27.1°C.

Caotan water temperature now

The sea salinity in Caotan is 31.72‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Caotan 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 Caotan. 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 Caotan. Data in table shown for 26 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Caotan

Caotan weather forecast

Current temperature and weather

Data in a table show Caotan temperature today (26 September 2025). For more information and forecast for a few days, go to the weather forecast Caotan.

0-3 h	3-6 h	6-9 h	9-12 h
26.2°C	25.7°C	25.4°C	27.6°C

12-15 h	15-18 h	18-21 h	21-24 h
28.6°C	28.3°C	27°C	26.5°C

Caotan water temperature by month

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

The nearest beaches and cities from Caotan 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
Cheban	29.3°C	29°C		0.35 m
Yingzai	29.1°C	29°C		0.35 m
Zhanjiang	29.9°C	28°C		0.34 m
Guandu	29.8°C	28°C		0.43 m
Potou	29.8°C	28°C		0.52 m
Beihai	29.5°C	29°C		0.36 m
Qiantang	29.5°C	28°C		0.43 m
Zhongshan	29.5°C	28°C		0.43 m
Haibin	29.5°C	29°C		1.17 m
Shuidong	29.4°C	29°C		1.32 m

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Our report for Caotan 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.