This data the coastal Port Neill ocean 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.
Water temperature in Port Neill today is 13.1°C. Based on our historical data over a period of ten years, the warmest water in this day in the Spencer Gulf near Port Neill was recorded in 2013 and was 15.4°C, and the coldest was recorded in 2010 at 13°C. Sea water temperature in Port Neill is expected to rise to 14.1°C in the next 10 days. September average water temperature in Port Neill is 14.2°C, the minimum temperature is 12.5°C, and the maximum is 16.8°C.
The swimming season in Port Neill lasts from December to April. During those months, Port Neill water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Port Neill in winter reaches 13.9°C, in spring 16.2°C, in summer the average temperature rises to 21.4°C, and in autumn it is 19.6°C.
5 September 2025 |
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today temp |
13.1°C |
4 September 2025 |
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yesterday temp |
13.1°C |
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 Port Neill. 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 Port Neill. Data in table shown for 5 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
3' 4" | 3' 5" | 3' 6" | 3' 7" |
1.01 m | 1.05 m | 1.07 m | 1.09 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
3' 5" | 3' 2" | 3' 0" | 2' 11" |
1.05 m | 0.97 m | 0.91 m | 0.9 m |
Data in a table show Port Neill temperature today (5 September 2025). For more information and forecast for a few days, go to the weather forecast Port Neill.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
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9.9°C | 9.8°C | 10°C | 12.7°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
18.4°C | 20.3°C | 16.6°C | 16.3°C |
You may also be interested in other sections of our site for Port Neill: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Port Neill. 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 Port Neill 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
Month | Avr | Min | Max | |
---|---|---|---|---|
January | 21.8°C | 19.3°C | 24°C | warm |
Ocean water temperature in Port Neill in January | ||||
February | 22.4°C | 20.7°C | 24.4°C | warm |
Ocean water temperature in Port Neill in February | ||||
March | 21.8°C | 19.1°C | 24.5°C | warm |
Ocean water temperature in Port Neill in March | ||||
April | 19.9°C | 17.4°C | 22.1°C | cold |
Ocean water temperature in Port Neill in April | ||||
May | 17.2°C | 14.9°C | 19.9°C | cold |
Ocean water temperature in Port Neill in May | ||||
June | 15°C | 13.4°C | 16.8°C | cold |
Ocean water temperature in Port Neill in June | ||||
July | 13.4°C | 12.5°C | 15.5°C | cold |
Ocean water temperature in Port Neill in July | ||||
August | 13.2°C | 11.8°C | 14.7°C | cold |
Ocean water temperature in Port Neill in August | ||||
September | 14.2°C | 12.5°C | 16.8°C | cold |
Ocean water temperature in Port Neill in September | ||||
October | 16.1°C | 14°C | 18.5°C | cold |
Ocean water temperature in Port Neill in October | ||||
November | 18.3°C | 15.7°C | 21.9°C | cold |
Ocean water temperature in Port Neill in November | ||||
December | 20.1°C | 18.3°C | 22.7°C | warm |
Ocean water temperature in Port Neill in December |