Killalea Beach – current water temperature and swimming conditions

Water Temperature in Killalea 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

Water temperatures in Killalea Beachfell over the past month, but have levelled out during the last week.

According to our forecast, Sea water temperature in Killalea Beach will be 17.9°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

Killalea Beach, often called The Farm, lies on the Illawarra coast and is fully exposed to the Tasman Sea, which strongly influences local water temperatures. In summer, the ocean here usually sits between about 21–24 °C, offering pleasant conditions for swimmers who don’t mind open-coast water. Autumn remains fairly mild, with temperatures commonly around 19–22 °C, while spring tends to be cooler at roughly 17–20 °C as the sea slowly warms after winter. During winter, water temperatures typically drop to around 16–18 °C, which can feel cold without a wetsuit, especially with southerly winds and swell adding to the chill.