Water temperature in Mystery Island

This data the coastal Mystery Island 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 Mystery Island

Water temperature in Mystery Island today is 24.5°C. Based on our historical data over a period of ten years, the warmest water in this day in Mystery Island was recorded in 2010 and was 25.7°C, and the coldest was recorded in 2009 at 23.3°C. Sea water temperature in Mystery Island is expected to drop to 24.4°C in the next 10 days. September average water temperature in Mystery Island is 24.4°C, the minimum temperature is 23°C, and the maximum is 26.7°C.

The swimming season in Mystery Island lasts from January to December, twelve months per year! During those months, Mystery Island water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Mystery Island in winter reaches 24.8°C, in spring 25.1°C, in summer the average temperature rises to 27.5°C, and in autumn it is 27.4°C.

Mystery Island water temperature now

The sea salinity in Mystery Island is 35.27‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Mystery Island 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 Mystery Island. 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 Mystery Island. Data in table shown for 7 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Mystery Island

Mystery Island weather forecast

Current temperature and weather

Data in a table show Mystery Island temperature today (7 September 2025). For more information and forecast for a few days, go to the weather forecast Mystery Island.

0-3 h	3-6 h	6-9 h	9-12 h
21.8°C	20.6°C	20.6°C	20.8°C

12-15 h	15-18 h	18-21 h	21-24 h
23°C	22.9°C	23°C	22.7°C

Mystery Island water temperature by month

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

The nearest beaches and cities from Mystery Island 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
Lifou	25°C	22°C		2.24 m
Naiwe Beach	26.4°C	23°C		2.34 m
Efate	26.5°C	23°C		2.19 m
Fayaoue	24.7°C	22°C		2.17 m
Isle of Pines	23.7°C	20°C		1.98 m
Noumea	23.7°C	19°C		3.1 m
Touho	24.9°C	21°C		1.23 m
Hienghene	24.8°C	21°C		1.34 m
Poum	24.4°C	22°C		1.91 m
Champagne Beach	27.9°C	26°C		0.35 m

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Our report for Mystery Island 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.