Tomahawk – current water temperature and swimming conditions

Water Temperature in Tomahawk: 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 Tomahawkfell over the past month, but have levelled out during the last week.

According to our forecast, Sea water temperature in Tomahawk will be 15.9°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

Tomahawk is a small coastal settlement on Tasmania’s north-east edge, where the Bass Strait meets long, open beaches and rugged headlands. The sea here stays cool throughout the year, with temperatures following a clear seasonal cycle. In summer, from December to February, the water usually reaches around 15–17 °C, which feels brisk but refreshing on warm days. Autumn sees a gradual drop to about 13–15 °C, while winter is coldest, typically around 11–12 °C. In spring, temperatures slowly rise again, generally sitting between 12–14 °C as weather patterns become more settled.