Encounter Bay – current water temperature and swimming conditions

Water Temperature in Encounter Bay: Daily Trends, Historical Records, and Forecast

⚠️ Water in this range feels cool but still manageable for many swimmers. Short to moderate swims are comfortable, especially in warm weather. Some people may prefer a wetsuit for longer stays, particularly when swimming actively or outside peak summer conditions.

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 Encounter Bay have been gradually cooling over the past month, with a further drop recorded during the last week.

According to our forecast, Sea water temperature in Encounter Bay will be 19.0°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

Encounter Bay curves along the south coast of the Fleurieu Peninsula, opening out to the Great Australian Bight, and its water temperatures reflect that open southern ocean influence. In summer, the sea is at its most comfortable, usually sitting between about 18–22°C, which feels refreshing on warm days without being overly cold. Autumn brings a gradual cooling to roughly 16–19°C, while winter is noticeably cooler, often around 13–15°C. Spring sees a slow warm-up, with water temperatures commonly in the 14–17°C range, influenced by sunshine, winds and passing weather systems.