Water temperature in Wanganui

This data the coastal Wanganui 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 Wanganui

Water temperature in Wanganui today is 17.1°C. Based on our historical data over a period of ten years, the warmest water in this day in the Tasman Sea near Wanganui was recorded in 2024 and was 16.3°C, and the coldest was recorded in 2008 at 14°C. Sea water temperature in Wanganui is expected to drop to 15.6°C in the next 10 days. November average water temperature in Wanganui is 15.5°C, the minimum temperature is 13.6°C, and the maximum is 18.6°C.

The swimming season in Wanganui lasts only one month - February. During this month, Wanganui water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Wanganui in winter reaches 13.2°C, in spring 14.2°C, in summer the average temperature rises to 18.3°C, and in autumn it is 17.2°C.

Wanganui water temperature now

The sea salinity in Wanganui is 34.66‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Wanganui 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 Wanganui. 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 Wanganui. Data in table shown for 9 November 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Wanganui

Wanganui weather forecast

Current temperature and weather

Data in a table show Wanganui temperature today (9 November 2025). For more information and forecast for a few days, go to the weather forecast Wanganui.

0-3 h	3-6 h	6-9 h	9-12 h
11.2°C	10.6°C	11.1°C	17.8°C

12-15 h	15-18 h	18-21 h	21-24 h
19.2°C	18.8°C	16.4°C	12.2°C

Wanganui water temperature by month

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

The nearest beaches and cities from Wanganui 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
Foxton Beach	16.9°C	19°C		0.71 m
Waitarere Beach	17.1°C	18°C		0.65 m
Otaki Beach	16.1°C	16°C		0.69 m
Waikanae	16.2°C	16°C		0.68 m
Kapiti Island	15.6°C	16°C		0.77 m
Paraparaumu	16.2°C	16°C		0.73 m
Raumati Beach	16.2°C	16°C		0.79 m
Paekakariki	16.3°C	16°C		0.79 m
Pukerua Bay	15.9°C	17°C		0.83 m
Titahi Bay	15.6°C	17°C		0.86 m

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Our report for Wanganui 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.