Hopetoun – current water temperature and swimming conditions

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

✅ This water feels mild to warm and is comfortable for the majority of swimmers. Swimming is enjoyable, though longer stays may feel cooler for some people, especially in windy conditions. These temperatures are well suited to family outings and active swimming, particularly on warm days.

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 past 30 days, water temperatures in Hopetoun have generally increased, although a slight cooling trend has set in over the last week.

According to our forecast, Sea water temperature in Hopetoun will be 21.8°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

Hopetoun sits on the sheltered side of the far south coast, near the eastern edge of Fitzgerald River National Park, with calmer conditions than many parts of the Great Australian Bight. Water temperatures follow a cool southern pattern but are generally pleasant in the warmer months. Summer, from December to February, usually sees the sea sitting around 18–21°C, which feels comfortable on sunny, low-wind days. Autumn cools slowly to about 16–19°C, while winter is noticeably colder, most often in the 13–15°C range. Spring brings a gradual warm-up again, typically 15–17°C, though the water can still feel fresh early in the season.