Bonville Beach – current water temperature and swimming conditions

Water Temperature in Bonville 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 month, water temperatures in Bonville Beach have stayed mostly steady, but a warming trend has developed over the last week.

According to our forecast, Sea water temperature in Bonville Beach will be 20.3°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

Bonville Beach lies on the mid–north coast of New South Wales, facing the Tasman Sea and shaped by a mild subtropical climate. Water temperatures here are generally comfortable for swimming across much of the year. In summer, the ocean usually warms to around 24–26 °C, creating pleasant conditions for extended swims and time in the water. Autumn often remains inviting, with sea temperatures commonly between 22–24 °C as weather patterns settle. Spring begins a little cooler at roughly 20–22 °C before steadily warming toward summer. Winter is the coolest season, with water temperatures typically sitting around 18–20 °C, which many locals still find manageable on sunny, calm days.