Piha – current water temperature and swimming conditions

Water Temperature in Piha: Daily Trends, Historical Records, and Forecast

⚠️ Water in this range feels cool but still manageable for many swimmers. Short to moderate swims are comfortable, especially in warm weather. Some people may prefer a wetsuit for longer stays, particularly when swimming actively or outside peak summer conditions.

It’s important to note that these swimming tips and recommendations apply only in settled weather. When air temperatures drop below 20°C — and sometimes even below 25°C — swimming can feel uncomfortable, even when water temperatures are relatively high.

Water Temperature Over the Last 30 Days

Water temperatures in Piha have been gradually cooling over the past month, with a further drop recorded during the last week.

According to our forecast, Sea water temperature in Piha will be 18.0°C in the next 7 days. See the table below for daily data for the upcoming week.

Table of Daily Sea Temperature Data

Annual Water Temperature Overview by Month

Monthly Water Temp Ranges

30°C

25°C

20°C

15°C

10°c

5°C

0°C

Annual Water Temperature Trend

Piha is one of Auckland’s most iconic west coast beaches, set on the edge of the Tasman Sea and framed by black sand and Lion Rock. Sea temperatures here follow the upper North Island pattern but can feel cooler due to the exposed coastline and regular surf. In summer, particularly from January to March, water temperatures usually range between 18 and 21°C. Many locals are happy to swim at these levels, although it still feels fresh compared with more sheltered east coast beaches. During autumn, the sea tends to sit around 16 to 19°C. Winter brings cooler conditions, typically between 13 and 15°C, while spring sees a gradual rise from about 14 up to 17°C. Wind and swell can temporarily shift surface temperatures by a degree or two.