Belongil Beach – current water temperature and swimming conditions

Water Temperature in Belongil 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

Water temperatures in Belongil Beach have been gradually cooling over the past month, with a further drop recorded during the last week.

According to our forecast, Sea water temperature in Belongil Beach will be 20.7°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

Belongil Beach stretches along the northern side of Byron Bay on the far north coast of New South Wales, facing the Coral Sea and shaped by a warm subtropical climate. Water temperatures here remain comfortable for swimming through most of the year. In summer, the ocean typically warms to around 25–27 °C, making it easy to enjoy long swims and time in the water. Autumn often holds onto that warmth, with sea temperatures commonly between 23–25 °C as conditions settle. Spring begins cooler at roughly 21–23 °C before steadily warming toward summer. Winter is the coolest period, but even then the water usually sits around 19–21 °C, which many locals still find suitable on sunny, calm days.