Gnarabup – current water temperature and swimming conditions

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

According to our forecast, Sea water temperature in Gnarabup will be 18.4°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

Gnarabup sits just north of Margaret River town and fronts the Indian Ocean with a mix of open beach and rocky headlands that shape local conditions. Water temperatures here are cool but generally comfortable in the warmer months. Over summer, from December to February, the sea usually sits around 19–22°C, which feels pleasant on sunny days, especially when winds are light. Autumn brings a gentle cool-down to roughly 17–20°C. Winter is colder and more bracing, typically around 14–16°C, while spring sees a gradual rise again to about 16–18°C, though the water can still feel fresh early in the season.