This data the coastal Maraetai 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.
Water temperature in Maraetai today is 15.9°C. Based on our historical data over a period of ten years, the warmest water in this day in Maraetai was, like today, 15.9°C, and the coldest was recorded in 2019 at 14.1°C. Sea water temperature in Maraetai is expected to drop to 15.4°C in the next 10 days. October average water temperature in Maraetai is 15.6°C, the minimum temperature is 14.1°C, and the maximum is 18.5°C.
The swimming season in Maraetai lasts from December to April. During those months, Maraetai water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Maraetai in winter reaches 14°C, in spring 15.8°C, in summer the average temperature rises to 20.9°C, and in autumn it is 19.4°C.
5 October 2025 |
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today temp |
15.9°C |
4 October 2025 |
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yesterday temp |
15.8°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 Maraetai. 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 Maraetai. Data in table shown for 5 October 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 |
---|---|---|---|
1' 10" | 1' 10" | 1' 8" | 1' 7" |
0.55 m | 0.57 m | 0.52 m | 0.48 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
1' 7" | 1' 5" | 1' 4" | 1' 5" |
0.47 m | 0.44 m | 0.41 m | 0.42 m |
Data in a table show Maraetai temperature today (5 October 2025). For more information and forecast for a few days, go to the weather forecast Maraetai.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
10.9°C | 10.5°C | 10.3°C | 13°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
15.1°C | 14.4°C | 12.5°C | 11.8°C |
You may also be interested in other sections of our site for Maraetai: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Maraetai. 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 Maraetai 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 | 21.1°C | 18.1°C | 24.3°C | warm |
Sea water temperature in Maraetai in January | ||||
February | 21.9°C | 20°C | 24.2°C | warm |
Sea water temperature in Maraetai in February | ||||
March | 21.2°C | 19°C | 23.8°C | warm |
Sea water temperature in Maraetai in March | ||||
April | 19.6°C | 17.8°C | 21.9°C | cold |
Sea water temperature in Maraetai in April | ||||
May | 17.3°C | 14.8°C | 19.6°C | cold |
Sea water temperature in Maraetai in May | ||||
June | 15.2°C | 13.1°C | 16.9°C | cold |
Sea water temperature in Maraetai in June | ||||
July | 13.6°C | 12.2°C | 15.4°C | cold |
Sea water temperature in Maraetai in July | ||||
August | 13.3°C | 11.8°C | 15°C | cold |
Sea water temperature in Maraetai in August | ||||
September | 14.2°C | 13°C | 15.8°C | cold |
Sea water temperature in Maraetai in September | ||||
October | 15.6°C | 14.1°C | 18.5°C | cold |
Sea water temperature in Maraetai in October | ||||
November | 17.5°C | 15.4°C | 20.9°C | cold |
Sea water temperature in Maraetai in November | ||||
December | 19.7°C | 16.6°C | 22.8°C | cold |
Sea water temperature in Maraetai in December |