Maraetai – current water temperature and swimming conditions

Water Temperature in Maraetai: 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 Maraetai 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 Maraetai will be 16.1°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

Maraetai is a popular coastal suburb in the eastern part of the Auckland Region, facing the Hauraki Gulf and the wider Pacific Ocean. Thanks to its relatively sheltered position, sea temperatures here are often pleasant during the warmer months. In summer, particularly from January through March, water temperatures typically range between 19 and 22°C, which most locals find comfortable for swimming and other water activities. During autumn, temperatures ease back to around 17 to 20°C. Winter brings cooler conditions, usually between 14 and 16°C, while spring sees a steady increase from about 15 up to 18°C as the days grow longer. Calm, sunny weather can allow the shallow inshore waters to warm up quickly.