Stanwell Park – current water temperature and swimming conditions

Water Temperature in Stanwell Park: 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

Water temperatures in Stanwell Park 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 Stanwell Park will be 22.7°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

Stanwell Park sits at the northern end of the Illawarra coastline, opening onto the Tasman Sea beneath the escarpment. Water temperatures here follow the typical seasonal rhythm of New South Wales’ open ocean beaches. In summer, from December to March, the sea is generally at its warmest, ranging between 21–24 °C, which most swimmers find comfortable without a wetsuit. Autumn brings a gradual cooling to around 19–21 °C. Winter is noticeably colder, with water temperatures usually sitting between 16–18 °C, while spring marks a steady warm-up back into the 18–20 °C range as conditions improve.