Vivonne Bay – current water temperature and swimming conditions

Water Temperature in Vivonne Bay: 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 Vivonne Bayfell over the past month, but have levelled out during the last week.

According to our forecast, Sea water temperature in Vivonne Bay will be 17.8°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

Vivonne Bay sits on the south coast of Kangaroo Island, opening out to the Great Australian Bight, and its water temperatures reflect the clean, cool nature of the southern ocean. In summer, the sea is at its most inviting, usually around 17–20°C, which feels refreshing rather than warm on sunny days. Autumn brings a gradual cooling to roughly 15–18°C, while winter is noticeably cold, often sitting between 12–14°C. Spring warms slowly, with water temperatures commonly around 13–16°C, influenced by changing winds and ocean conditions.