Caloundra – current water temperature and swimming conditions

Water Temperature in Caloundra: Daily Trends, Historical Records, and Forecast

✅ Water in this range is comfortably warm and widely considered ideal for swimming. Most people can stay in the water for a long time without feeling cold. It works well for families, recreational swimming, and active water sports such as swimming, surfing, and paddleboarding.

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 Caloundra 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 Caloundra will be 25.0°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

Caloundra sits at the southern end of Queensland’s Sunshine Coast, fronting the Coral Sea, and enjoys water temperatures that suit swimming for much of the year. In summer, from around December to March, sea temperatures are typically between 24 and 26 °C, giving the water a warm, inviting feel without being overly hot. During winter, usually June to August, temperatures drop back to about 19–21 °C, which can feel cool on first entry but is still comfortable on sunny, calm days. Spring and autumn are often the most pleasant times overall, with water temperatures commonly sitting between 21–23 °C and generally settled coastal conditions.