Moreton Island – current water temperature and swimming conditions

Water Temperature in Moreton Island: Daily Trends, Historical Records, and Forecast

✅ This is warm water that suits almost everyone. Swimming feels easy and pleasant, even for extended stays, and there is little risk of discomfort from cooling. These temperatures are ideal for family swimming, snorkelling, and most water activities, offering a good balance between comfort and refreshment.

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 Moreton Island have been on a steady rise over the past month and have continued to climb over the last week.

According to our forecast, Sea water temperature in Moreton Island will be 26.1°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

Moreton Island sits off Brisbane in the Coral Sea, and the surrounding waters reflect a pleasant subtropical climate with clear seasonal changes. In summer, from around December to March, sea temperatures are typically between 23 and 25 °C, making the water warm and comfortable for long swims. During winter, usually June to August, temperatures drop to about 18–20 °C, which can feel cool at first but is still quite manageable on sunny, calm days. Spring and autumn are often ideal, with water temperatures commonly sitting between 20–22 °C and generally stable weather conditions.