Shoalhaven Heads – current water temperature and swimming conditions

Water Temperature in Shoalhaven Heads: 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

While water temperatures in Shoalhaven Heads declined overall during the past month, they have shown a noticeable rebound over the last week.

According to our forecast, Sea water temperature in Shoalhaven Heads will be 18.2°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

Shoalhaven Heads sits where the Shoalhaven River meets the Tasman Sea on the South Coast of New South Wales, and local water temperatures follow a clear seasonal pattern. In summer, the ocean usually warms to around 21–24 °C, making swimming comfortable and appealing on hot days. Autumn often remains mild, with temperatures commonly between 19–22 °C, while spring is cooler at roughly 17–20 °C as the sea gradually warms after winter. During winter, water temperatures typically drop to about 16–18 °C, which can feel cold without a wetsuit but is still manageable for short swims, especially in calm weather.