Forrest Beach – current water temperature and swimming conditions

Water Temperature in Forrest Beach: Daily Trends, Historical Records, and Forecast

⚠️ This is cool water that may feel brisk on entry. Swimming is usually limited to short sessions, and prolonged stays can become uncomfortable without thermal protection. Many swimmers choose a wetsuit, especially for surfing or open-water swimming.

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 Forrest 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 Forrest Beach will be 17.8°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

Forrest Beach sits just north of Bunbury on the Perth South Coast, facing the Indian Ocean with a fairly open but approachable shoreline. Water temperatures here are typical of the south-west coast and suit swimming for a good part of the year. In summer, from December to February, the sea usually sits around 20–23°C, feeling comfortable and refreshing on warm days. Autumn cools gradually to about 18–21°C, while winter brings cooler conditions, generally around 15–17°C. Spring sees a steady warm-up again, with water temperatures commonly in the 17–20°C range, especially as calmer weather returns.