Water temperature in Guantou

This data the coastal Guantou 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 Guantou

Water temperature in Guantou today is 30.5°C. Based on our historical data over a period of ten years, the warmest water in this day in Guantou was recorded in 2021 and was 29.6°C, and the coldest was recorded in 2008 at 26.6°C. Sea water temperature in Guantou is expected to drop to 28.1°C in the next 10 days. September average water temperature in Guantou is 27.9°C, the minimum temperature is 25.3°C, and the maximum is 30.8°C.

The swimming season in Guantou lasts from May to November. During those months, Guantou water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Guantou in winter reaches 14.2°C, in spring 18°C, in summer the average temperature rises to 27.4°C, and in autumn it is 24.2°C.

Guantou water temperature now

The sea salinity in Guantou is 31.31‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Guantou 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 Guantou. 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 Guantou. 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 Guantou

Guantou weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
21.8°C	21.2°C	21.4°C	28.4°C

12-15 h	15-18 h	18-21 h	21-24 h
32.5°C	31.4°C	24.1°C	22.2°C

Guantou water temperature by month

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

The nearest beaches and cities from Guantou 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
Kengyuan	30.5°C	28°C		0.32 m
Houyu	30.5°C	34°C		0.52 m
Jitou	30.7°C	31°C		0.16 m
Beishan	30.8°C	31°C		0.16 m
Nangan	29.5°C	28°C		0.48 m
Jianjiangzhen	29.5°C	31°C		0.14 m
Ningde	30.2°C	31°C		0.14 m
Dongchong	28.9°C	31°C		0.18 m
Qidu	30°C	31°C		0.12 m
Zhangwan	30°C	31°C		0.12 m

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Our report for Guantou 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.