Warrnambool – current water temperature and swimming conditions

Water Temperature in Warrnambool: 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

Water temperatures in Warrnambool 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 Warrnambool will be 18.6°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

Warrnambool sits on Victoria’s far western coastline, facing the open waters of the Great Australian Bight, and this gives it cool, clean sea conditions throughout the year. In summer, water temperatures are usually at their highest, typically ranging from about 17–20°C, which feels refreshing rather than warm but suits swimming on hot days. Autumn sees a gradual drop to around 15–18°C, while winter is noticeably cold, often sitting between 12–14°C. Spring brings a slow warm-up, with water temperatures commonly hovering between 13–16°C, influenced by changing weather and swell.