Minnamurra – current water temperature and swimming conditions

Water Temperature in Minnamurra: 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 Minnamurrafell over the past month, but have levelled out during the last week.

According to our forecast, Sea water temperature in Minnamurra will be 17.9°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

Minnamurra sits where the river meets the Tasman Sea on the Illawarra coast, and water temperatures here follow the typical seasonal pattern of this part of New South Wales. In summer, sea temperatures usually range from about 21–24 °C, making the water comfortable for long swims and relaxed paddling. Autumn often stays mild, with temperatures around 19–22 °C, while spring is cooler at roughly 17–20 °C as the ocean gradually warms. Winter brings the coldest conditions, when water temperatures commonly drop to about 16–18 °C, which can feel sharp without a wetsuit but is still manageable for brief dips on calm days.