This data the coastal Waihi Beach 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 Waihi Beach today is 14.4°C. Based on our historical data over a period of ten years, the warmest water in this day in the Pacific Ocean near Waihi Beach was recorded in 2022 and was 14.9°C, and the coldest was recorded in 2009 at 13.7°C. Sea water temperature in Waihi Beach is expected to rise to 14.6°C in the next 10 days. September average water temperature in Waihi Beach is 14.6°C, the minimum temperature is 13.7°C, and the maximum is 16°C.
The swimming season in Waihi Beach lasts from December to April. During those months, Waihi Beach water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Waihi Beach in winter reaches 15°C, in spring 15.6°C, in summer the average temperature rises to 20.2°C, and in autumn it is 19.3°C.
5 September 2025 |
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today temp |
14.4°C |
4 September 2025 |
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yesterday temp |
14.6°C |
The sea salinity in Waihi Beach is 35.28‰, and the average salinity of the World Ocean is 35‰.
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 Waihi Beach. 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 Waihi Beach. Data in table shown for 6 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 |
---|---|---|---|
1' 3" | 2' 1" | 2' 6" | 2' 10" |
0.37 m | 0.63 m | 0.76 m | 0.87 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
3' 1" | 3' 3" | 3' 2" | 3' 4" |
0.93 m | 0.98 m | 0.96 m | 1.01 m |
Data in a table show Waihi Beach temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Waihi Beach.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
9.7°C | 9.4°C | 9.3°C | 13°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
16°C | 15.7°C | 12.8°C | 11.8°C |
You may also be interested in other sections of our site for Waihi Beach: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Waihi Beach. 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 Waihi Beach 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 | 20.4°C | 17.7°C | 23.4°C | warm |
Sea water temperature in Waihi Beach in January | ||||
February | 21.3°C | 19.4°C | 23.3°C | warm |
Sea water temperature in Waihi Beach in February | ||||
March | 20.8°C | 18.6°C | 22.7°C | warm |
Sea water temperature in Waihi Beach in March | ||||
April | 19.5°C | 17.6°C | 21.5°C | cold |
Sea water temperature in Waihi Beach in April | ||||
May | 17.7°C | 15.6°C | 19.6°C | cold |
Sea water temperature in Waihi Beach in May | ||||
June | 15.9°C | 14°C | 17.6°C | cold |
Sea water temperature in Waihi Beach in June | ||||
July | 14.8°C | 13.3°C | 16.1°C | cold |
Sea water temperature in Waihi Beach in July | ||||
August | 14.2°C | 13°C | 15.4°C | cold |
Sea water temperature in Waihi Beach in August | ||||
September | 14.6°C | 13.7°C | 16°C | cold |
Sea water temperature in Waihi Beach in September | ||||
October | 15.3°C | 13.8°C | 17.2°C | cold |
Sea water temperature in Waihi Beach in October | ||||
November | 16.8°C | 14.9°C | 19.6°C | cold |
Sea water temperature in Waihi Beach in November | ||||
December | 18.8°C | 16°C | 21.8°C | cold |
Sea water temperature in Waihi Beach in December |