Boat Harbour Beach – current water temperature and swimming conditions

Water Temperature in Boat Harbour 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

Water temperatures in Boat Harbour 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 Boat Harbour Beach will be 18.7°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

Boat Harbour Beach is one of Tasmania’s standout coastal spots, set along the north coast where the Bass Strait meets a naturally sheltered bay. Despite its inviting look, the water remains cool year-round. In summer, from December through February, sea temperatures typically sit around 16–18 °C, making it one of the warmer options in northern Tasmania. Autumn sees the water drop back to about 14–16 °C, while winter is distinctly chilly at roughly 11–12 °C. Spring brings a gradual warm-up, with temperatures usually in the 13–15 °C range as calmer weather returns.