Water temperature in Rapa Iti

This data the coastal Rapa Iti 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 Rapa Iti

Water temperature in Rapa Iti today is 20.9°C. Based on our historical data over a period of ten years, the warmest water in this day in the Pacific Ocean near Rapa Iti was recorded in 2021 and was 22.1°C, and the coldest was recorded in 2013 at 19.4°C. Sea water temperature in Rapa Iti is expected to drop to 20.7°C in the next 10 days. September average water temperature in Rapa Iti is 20.5°C, the minimum temperature is 18.6°C, and the maximum is 22.3°C.

The swimming season in Rapa Iti lasts from January to December, twelve months per year! During those months, Rapa Iti water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Rapa Iti in winter reaches 21.1°C, in spring 21°C, in summer the average temperature rises to 24.4°C, and in autumn it is 24.2°C.

Rapa Iti water temperature now

The sea salinity in Rapa Iti is 35.59‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Rapa Iti 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 Rapa Iti. 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 Rapa Iti. 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 Rapa Iti

Rapa Iti weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
18.9°C	18.7°C	18.5°C	18.5°C

12-15 h	15-18 h	18-21 h	21-24 h
18.5°C	18.5°C	18.8°C	18.7°C

Rapa Iti water temperature by month

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

The nearest beaches and cities from Rapa Iti 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
Raivavae	23.3°C	21°C		1.83 m
Tubuai	24°C	21°C		1.84 m
Rurutu	23.2°C	21°C		2.08 m
Teahupoo	27.1°C	25°C		1.67 m
Tahiti	27.1°C	25°C		1.72 m
Taravao	27.1°C	25°C		0.7 m
Punaauia	27.2°C	25°C		1.5 m
Papenoo	27.3°C	25°C		0.92 m
Papeete	27.3°C	25°C		1.16 m
Moorea	27.2°C	25°C		1.67 m

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Our report for Rapa Iti 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.