North Beach – current water temperature and swimming conditions

Water Temperature in North 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

Over the past 30 days, water temperatures in North Beach have generally increased, although a slight cooling trend has set in over the last week.

According to our forecast, Sea water temperature in North Beach will be 18.9°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

North Beach sits along Perth’s City Coast just north of Trigg, facing the open Indian Ocean with a mix of sandy shoreline and small reef sections that influence local conditions. Water temperatures here follow the typical Perth metro pattern and are comfortable for swimming for much of the year. In summer, from December to February, the sea usually ranges between 21–24°C, feeling warm and inviting on hot days. Autumn remains pleasant at around 19–22°C, while winter cools to roughly 16–18°C, which is brisk but still manageable for short swims. Spring brings a gradual warm-up again, generally sitting between 18–21°C as air temperatures rise.