Sellicks Beach – current water temperature and swimming conditions

Water Temperature in Sellicks Beach: 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 Sellicks Beach 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 Sellicks Beach 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

Sellicks Beach sits on the southern edge of the Adelaide region, facing the open waters of the Great Australian Bight, and its water temperatures follow a cool southern pattern through the year. In summer, the sea is at its warmest, usually ranging from about 18–21°C, which feels refreshing rather than warm on hot days. Autumn brings a gradual cooling to roughly 16–19°C, while winter is noticeably colder, often around 13–15°C. Spring warms slowly, with water temperatures commonly sitting between 14–17°C, shaped by sunshine, winds and changing weather systems.