Water temperature in Cham Islands

This data the coastal Cham Islands 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 Cham Islands

Water temperature in Cham Islands today is 29.5°C. Based on our historical data over a period of ten years, the warmest water in this day in the South China Sea near Cham Islands was recorded in 2020 and was 30.7°C, and the coldest was recorded in 2009 at 28.7°C. Sea water temperature in Cham Islands is expected to rise to 29.7°C in the next 10 days. September average water temperature in Cham Islands is 29.7°C, the minimum temperature is 27.7°C, and the maximum is 30.9°C.

The swimming season in Cham Islands lasts from January to December, twelve months per year! During those months, Cham Islands water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Cham Islands in winter reaches 23.7°C, in spring 25.5°C, in summer the average temperature rises to 29.3°C, and in autumn it is 28.2°C.

Cham Islands water temperature now

The sea salinity in Cham Islands is 33.60‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Cham Islands 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 Cham Islands. 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 Cham Islands. Data in table shown for 6 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Cham Islands

Cham Islands weather forecast

Current temperature and weather

Data in a table show Cham Islands temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Cham Islands.

0-3 h	3-6 h	6-9 h	9-12 h
25.7°C	25°C	25°C	28.9°C

12-15 h	15-18 h	18-21 h	21-24 h
29°C	29.1°C	27.2°C	26.6°C

Cham Islands water temperature by month

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

The nearest beaches and cities from Cham Islands 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
Sanya	28.7°C	29°C		0.24 m
Yalong Wan	29°C	29°C		0.24 m
Dadunhai	28.9°C	29°C		0.23 m
Leluo	28.4°C	29°C		0.19 m
Tianya	28.7°C	29°C		0.2 m
Yalong Bay	29°C	29°C		0.25 m
Yinggehai	28.3°C	29°C		0.15 m
Haitangwan	29.2°C	29°C		0.21 m
Xincun	29.3°C	29°C		0.21 m
Lian	29.6°C	28°C		0.27 m

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Our report for Cham Islands 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.