Thirteenth Beach – current water temperature and swimming conditions

Water Temperature in Thirteenth Beach: Daily Trends, Historical Records, and Forecast

⚠️ Water in this range feels cool but still manageable for many swimmers. Short to moderate swims are comfortable, especially in warm weather. Some people may prefer a wetsuit for longer stays, particularly when swimming actively or outside peak summer conditions.

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 Thirteenth Beach 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 Thirteenth Beach will be 19.1°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

Thirteenth Beach lies along the open Bass Strait coast on the Bellarine Peninsula, and its water temperatures reflect that exposed southern setting. In summer, the sea generally sits between about 17–20°C, offering cool but refreshing conditions that appeal on hot days. As autumn sets in, temperatures usually drop to around 15–18°C, while winter brings much colder water, commonly in the 12–14°C range. Spring is a slow warm-up period, with temperatures often hovering between 13–16°C, and occasional cold surges following strong southerly weather.