Greenough – current water temperature and swimming conditions

Water Temperature in Greenough: 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 Greenough declined overall during the past month, they have shown a noticeable rebound over the last week.

According to our forecast, Sea water temperature in Greenough 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

Greenough sits just south of Geraldton on Western Australia’s mid-west coast, facing the Indian Ocean with long, open beaches and a distinctly windswept feel. Water temperatures here are warmer than the southern parts of the state and suit swimming for much of the year. In summer, from December to February, the sea usually ranges between 22–25°C, feeling warm and inviting on sunny days. Autumn stays comfortable at around 20–23°C, while winter brings a gentle cool-down to roughly 17–19°C, which is still manageable for regular swimmers. Spring sees temperatures rise again to about 19–22°C as air temperatures increase.