Water temperature in Poor Knights Islands

This data the coastal Poor Knights 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 Poor Knights Islands

Water temperature in Poor Knights Islands today is 16.2°C. Based on our historical data over a period of ten years, the warmest water in this day in Poor Knights Islands was recorded in 2022 and was 16.5°C, and the coldest was recorded in 2010 at 14.8°C. Sea water temperature in Poor Knights Islands is expected to drop to 15.9°C in the next 10 days. September average water temperature in Poor Knights Islands is 15.6°C, the minimum temperature is 14.6°C, and the maximum is 16.6°C.

The swimming season in Poor Knights Islands lasts from January to April. During those months, Poor Knights Islands water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Poor Knights Islands in winter reaches 16.4°C, in spring 16.2°C, in summer the average temperature rises to 20.1°C, and in autumn it is 20°C.

Poor Knights Islands water temperature now

The sea salinity in Poor Knights Islands is 35.64‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Poor Knights 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 Poor Knights 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 Poor Knights Islands. Data in table shown for 26 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Poor Knights Islands

Poor Knights Islands weather forecast

Current temperature and weather

Data in a table show Poor Knights Islands temperature today (26 September 2025). For more information and forecast for a few days, go to the weather forecast Poor Knights Islands.

0-3 h	3-6 h	6-9 h	9-12 h
8.7°C	7.8°C	7.3°C	14°C

12-15 h	15-18 h	18-21 h	21-24 h
17.8°C	18.1°C	13.4°C	10.6°C

Poor Knights Islands water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Poor Knights 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 Poor Knights 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 Poor Knights Islands

The nearest beaches and cities from Poor Knights 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
Langs Beach	15.2°C	17°C		0.76 m
Mangawhai	15.2°C	17°C		0.94 m
Goat Island	15°C	17°C		0.94 m
Omaha	15°C	17°C		0.79 m
Tawharanui	15°C	17°C		0.79 m
Snells Beach	15°C	17°C		0.68 m
Kawau Island	15.1°C	17°C		0.68 m
Auckland	15.2°C	17°C		1.03 m
Orewa	14.7°C	17°C		0.57 m
Stanmore Bay	14.7°C	17°C		0.57 m

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Our report for Poor Knights 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.