Coronation Beach – current water temperature and swimming conditions

Water Temperature in Coronation Beach: 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

While water temperatures in Coronation Beach declined overall during the past month, they have shown a noticeable rebound over the last week.

According to our forecast, Sea water temperature in Coronation Beach will be 19.8°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

Coronation Beach lies just north of Geraldton on the mid-west coast, facing straight into the Indian Ocean and known for its wide shoreline and steady coastal winds. Water temperatures here are warmer than in southern WA and suit swimming for a large part of the year. In summer, from December to February, the sea usually sits between 22–25°C, feeling comfortably warm and inviting. Autumn remains pleasant at around 20–23°C, while winter brings a mild cool-down to roughly 17–19°C, which is still manageable for short swims. Spring sees a gradual warm-up again, typically 19–22°C as air temperatures rise.