Henley Beach – current water temperature and swimming conditions

Water Temperature in Henley Beach: 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

Over the last 30 days, water temperatures in Henley Beach have trended upward, with conditions remaining relatively stable over the past week.

According to our forecast, Sea water temperature in Henley Beach will be 15.8°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

Henley Beach sits on Adelaide’s western coastline, facing the open waters of the Great Australian Bight, and its water temperatures follow a steady seasonal cycle. In summer, the sea is at its warmest and most inviting, usually around 20–23°C, which feels comfortable for swimming on hot days. Autumn brings a gradual cooling to roughly 18–21°C, while winter is noticeably cooler, often around 14–16°C. Spring sees a steady warm-up, with water temperatures commonly sitting between 16–19°C, influenced by sunshine, winds and calmer weather windows.