Tāwharanui Peninsula – current water temperature and swimming conditions

Water Temperature in Tāwharanui Peninsula: Daily Trends, Historical Records, and Forecast

⚠️ This is cool water that may feel brisk on entry. Swimming is usually limited to short sessions, and prolonged stays can become uncomfortable without thermal protection. Many swimmers choose a wetsuit, especially for surfing or open-water swimming.

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 Tāwharanui Peninsula have been on a steady rise over the past month and have continued to climb over the last week.

According to our forecast, Sea water temperature in Tāwharanui Peninsula will be 15.9°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

Tāwharanui Peninsula lies northeast of central Auckland, extending into the Hauraki Gulf and the Pacific Ocean. The peninsula offers both sheltered bays and more open ocean beaches, which means water conditions can vary depending on location and wind direction. In summer, particularly from January through March, sea temperatures generally range between 19 and 22°C. At these levels, most locals find the water comfortable for swimming, especially on warm, settled days. During autumn, temperatures ease back to around 17 to 20°C. Winter brings cooler readings, typically between 14 and 16°C, while spring sees a gradual rise from roughly 15 up to 18°C. Shallow sandy bays can warm up quickly during calm weather.