Geelong – current water temperature and swimming conditions

Water Temperature in Geelong: 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 Geelongfell over the past month, but have levelled out during the last week.

According to our forecast, Sea water temperature in Geelong will be 16.6°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

Geelong sits on the western edge of Port Phillip Bay, and its water temperatures are shaped by the bay’s sheltered conditions rather than the full exposure of Bass Strait. In summer, the water is at its warmest and most inviting, usually ranging from about 18–22°C, which suits swimming on hot days. Autumn brings a gradual cooling to roughly 16–19°C, while winter is cooler but still manageable for keen swimmers, often around 12–14°C. Spring marks a steady warm-up, with water temperatures commonly sitting between 14–17°C, influenced by sunshine, wind and changing weather patterns.