Glenelg – current water temperature and swimming conditions

Water Temperature in Glenelg: Daily Trends, Historical Records, and Forecast

❌ Water at this temperature feels cold and is generally suitable only for brief immersion. Swimming without a wetsuit can quickly become uncomfortable, and exposure time is usually short. These conditions are mainly suitable for experienced swimmers or those using proper thermal gear.

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 Glenelg have been on a steady rise over the past month and have continued to climb over the last week.

According to our forecast, Sea water temperature in Glenelg will be 13.3°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

Glenelg is one of South Australia’s best-known seaside spots, set on the sheltered side of the Great Australian Bight and right on Adelaide’s doorstep. Water temperatures here are relatively mild by southern standards. In summer, from December through February, the sea usually sits around 18–21°C, warm enough for comfortable swims without feeling tropical. Autumn stays pleasant at about 17–19°C, while winter brings cooler conditions, commonly 13–15°C, when the water feels brisk but still manageable for short dips. Spring sees a gradual rise again, typically 15–17°C, with calmer days feeling surprisingly inviting.