Seventeen Seventy – current water temperature and swimming conditions

Water Temperature in Seventeen Seventy: 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 Seventeen Seventy 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 Seventeen Seventy will be 20.5°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

Seventeen Seventy sits on the Central Queensland coast where the Coral Sea meets the mouth of Round Hill Creek, and water temperatures remain fairly mild throughout the year. In summer, from about December to March, the sea typically sits around 25–27 °C, making the water comfortable even during long, hot days. During winter, usually June to August, temperatures drop to roughly 19–21 °C, which can feel cool at first but is still swimmable in calm, sunny conditions. Spring and autumn often offer the most pleasant balance, with water temperatures commonly ranging between 22–24 °C and lighter winds along the coast.